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Search results 5801 to 5900 out of 6162 for seed protein

Category restricted to GOTerm (x)

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Category: GOTerm
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Type Details Score
GO Term
GO:0071759 | IgX immunoglobulin complex
Description: A protein complex composed of two identical immunoglobulin heavy chains of the IgX isotype and two identical immunoglobulin light chains, held together by disulfide bonds. An IgX immunoglobulin complex may be embedded in the plasma membrane or present in the extracellular space, in mucosal areas or other tissues, or circulating in the blood or lymph.
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GO Term
GO:0071760 | IgY immunoglobulin complex
Description: A protein complex composed of two identical immunoglobulin heavy chains of the IgY isotype and two identical immunoglobulin light chains, held together by disulfide bonds. An IgY immunoglobulin complex may be embedded in the plasma membrane or present in the extracellular space, in mucosal areas or other tissues, or circulating in the blood or lymph.
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GO Term
GO:0071926 | endocannabinoid signaling pathway
Description: The series of molecular signals generated as a consequence of an endocannabinoid binding to a cell surface receptor. The pathway proceeds with the receptor transmitting the signal to a heterotrimeric G-protein complex and ends with regulation of a downstream cellular process, e.g. transcription. Endocannabinoids are small molecules derived from arachidonic acid, anandamide (arachidonoylethanolamide) and 2-arachidonoylglycerol.
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GO Term
GO:0072097 | negative regulation of branch elongation involved in ureteric bud branching by BMP signaling pathway
Description: A series of molecular signals generated as a consequence of any member of the BMP (bone morphogenetic protein) family binding to a cell surface receptor resulting in the reduction of the frequency, rate or extent of branch elongation involved in ureteric bud branching, the growth of a branch of the ureteric bud along its axis.
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GO Term
GO:0009512 | cytochrome b6f complex
Description: Complex that transfers electrons from reduced plastoquinone to oxidized plastocyanin and translocates protons from the stroma to the lumen. The complex contains a core structure of three catalytic subunits: cytochrome b, the Rieske iron sulfur protein (ISP), and cytochrome f, which are arranged in an integral membrane-bound dimeric complex; additional subunits are present, and vary among different species.
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GO Term
GO:0033557 | Slx1-Slx4 complex
Description: A heterodimeric protein complex that possesses an endonuclease activity that specifically cleaves certain types of branched DNA structures; because such structures often form during the replication ribosomal DNA (rDNA) repeats, the complex plays a role in the maintenance of rDNA. The subunits are known as Slx1 and Slx 4 in budding and fission yeasts, and are conserved in eukaryotes.
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GO Term
GO:0003824 | catalytic activity
Description: Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
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GO Term
GO:0070469 | respirasome
Description: The protein complexes that form the electron transport system (the respiratory chain), associated with a cell membrane, usually the plasma membrane (in prokaryotes) or the inner mitochondrial membrane (on eukaryotes). The respiratory chain complexes transfer electrons from an electron donor to an electron acceptor and are associated with a proton pump to create a transmembrane electrochemical gradient.
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GO Term
GO:0043043 | peptide biosynthetic process
Description: The chemical reactions and pathways resulting in the formation of peptides, compounds of 2 or more (but usually less than 100) amino acids where the alpha carboxyl group of one is bound to the alpha amino group of another. This may include the translation of a precursor protein and its subsequent processing into a functional peptide.
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GO Term
GO:0005747 | mitochondrial respiratory chain complex I
Description: A protein complex located in the mitochondrial inner membrane that forms part of the mitochondrial respiratory chain. It contains about 25 different polypeptide subunits, including NADH dehydrogenase (ubiquinone), flavin mononucleotide and several different iron-sulfur clusters containing non-heme iron. The iron undergoes oxidation-reduction between Fe(II) and Fe(III), and catalyzes proton translocation linked to the oxidation of NADH by ubiquinone.
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GO Term
GO:0090263 | positive regulation of canonical Wnt signaling pathway
Description: Any process that increases the rate, frequency, or extent of the Wnt signaling pathway through beta-catenin, the series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell, followed by propagation of the signal via beta-catenin, and ending with a change in transcription of target genes.
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GO Term
GO:0005577 | fibrinogen complex
Description: A highly soluble, elongated protein complex found in blood plasma and involved in clot formation. It is converted into fibrin monomer by the action of thrombin. In the mouse, fibrinogen is a hexamer, 46 nm long and 9 nm maximal diameter, containing two sets of nonidentical chains (alpha, beta, and gamma) linked together by disulfide bonds.
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GO Term
GO:0090090 | negative regulation of canonical Wnt signaling pathway
Description: Any process that decreases the rate, frequency, or extent of the Wnt signaling pathway through beta-catenin, the series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell, followed by propagation of the signal via beta-catenin, and ending with a change in transcription of target genes.
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GO Term
GO:0071013 | catalytic step 2 spliceosome
Description: A spliceosomal complex that contains three snRNPs, including U5, bound to a splicing intermediate in which the first catalytic cleavage of the 5' splice site has occurred. The precise subunit composition differs significantly from that of the catalytic step 1, or activated, spliceosome, and includes many proteins in addition to those found in the associated snRNPs.
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GO Term
GO:0060828 | regulation of canonical Wnt signaling pathway
Description: Any process that modulates the rate, frequency, or extent of the Wnt signaling pathway through beta-catenin, the series of molecular signals initiated by binding of a Wnt protein to a frizzled family receptor on the surface of the target cell, followed by propagation of the signal via beta-catenin, and ending with a change in transcription of target genes.
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GO Term
GO:0038007 | netrin-activated signaling pathway
Description: A series of molecular events initiated by the binding of a netrin protein to a receptor on the surface of the target cell, and ending with regulation of a downstream cellular process, e.g. transcription. Netrins can act as chemoattractant signals for some cells and chemorepellent signals for others. Netrins also have roles outside of cell and axon guidance.
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GO Term
GO:0042148 | strand invasion
Description: The process in which the nucleoprotein complex (composed of the broken single-strand DNA and the recombinase) searches and identifies a region of homology in intact duplex DNA. The broken single-strand DNA displaces the like strand and forms Watson-Crick base pairs with its complement, forming a duplex in which each strand is from one of the two recombining DNA molecules.
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GO Term
GO:0004839 | ubiquitin activating enzyme activity
Description: Catalysis of the reaction: E1 + ubiquitin + ATP--> E1-ubiquitin + AMP + PPi, where the E1-ubiquitin linkage is a thioester bond between the C-terminal glycine of Ub and a sulfhydryl side group of an E1 cysteine residue. This is the first step in a cascade of reactions in which ubiquitin is ultimately added to a protein substrate.
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GO Term
GO:0015883 | FAD transport
Description: The directed movement of flavin-adenine dinucleotide (FAD) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. FAD forms the coenzyme of the prosthetic group of various flavoprotein oxidoreductase enzymes, in which it functions as an electron acceptor by being reversibly converted to its reduced form.
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GO Term
GO:0016264 | gap junction assembly
Description: Assembly of gap junctions, which are found in most animal tissues, and serve as direct connections between the cytoplasms of adjacent cells. They provide open channels through the plasma membrane, allowing ions and small molecules (less than approximately a thousand daltons) to diffuse freely between neighboring cells, but preventing the passage of proteins and nucleic acids.
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GO Term
GO:0018253 | peptide cross-linking via 5-imidazolinone glycine
Description: The formation of a protein active site cross-link from the alpha-carboxyl carbon of residue n, an alanine, serine or cysteine, to the alpha-amino nitrogen of residue n+2, a glycine, and a dehydration to form a double bond to the alpha-amino nitrogen of residue n+1. This cross-linking is coupled with an oxidation of residue n+1 to form an active aldehyde.
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GO Term
GO:0019824 | P6 peroxisome
Description: A subform of peroxisome that corresponds to an intermediate in a peroxisome assembly pathway, which operates by conversion of peroxisomal subforms in the direction P1, P2 -> P3 -> P4 -> P5 -> P6. P6 peroxisomes are distinguished from the other subforms on the bases of buoyant density and protein content, and are equivalent to mature peroxisomes.
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GO Term
GO:0032047 | mitosome
Description: A double-membrane-bounded organelle that functions in iron-sulfur protein maturation; evolutionarily derived from mitochondria. The mitosome has been detected only in anaerobic or microaerophilic organisms that do not have mitochondria, such as Entamoeba histolytica, Giardia intestinalis and several species of Microsporidia. These organisms are not capable of gaining energy from oxidative phosphorylation, which is normally performed by mitochondria.
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GO Term
GO:0033364 | mast cell secretory granule organization
Description: A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a secretory granule in a mast cell. A secretory granule is a small subcellular vesicle, surrounded by a membrane, that is formed from the Golgi apparatus and contains a highly concentrated protein destined for secretion.
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GO Term
GO:0033371 | T cell secretory granule organization
Description: A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a secretory granule in a T cell. A secretory granule is a small subcellular vesicle, surrounded by a membrane, that is formed from the Golgi apparatus and contains a highly concentrated protein destined for secretion.
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GO Term
GO:0036257 | multivesicular body organization
Description: A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a multivesicular body. A multivesicular body is a type of late endosome in which regions of the limiting endosomal membrane invaginate to form internal vesicles; membrane proteins that enter the internal vesicles are sequestered from the cytoplasm.
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GO Term
GO:0034662 | CFTR-NHERF-ezrin complex
Description: A protein complex that contains ezrin, Na+/H+ exchanger regulatory factor (NHERF, also called EBP50), and two copies of the cystic fibrosis transmembrane conductance regulator (CFTR). The CFTR molecules interact with NHERF via their cytoplasmic tail domains; the complex is thought to link the CFTR channel to the actin cytoskeleton and contribute to the regulation of channel activity.
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GO Term
GO:0038008 | TRAF-mediated signal transduction
Description: The intracellular process in which a signal is passed on to downstream components within the cell via a tumor necrosis factor receptor-associated factor (TRAF). TRAFs are directly or indirectly recruited to the intracellular domains of cell surface receptors, and engage other signaling proteins to transfer the signal from a cell surface receptor to other intracellular signaling components.
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GO Term
GO:0038010 | positive regulation of signal transduction by receptor internalization
Description: Any process in which the internalization of a signaling receptor activates or increases the frequency, rate or extent of signal transduction. Receptor internalization can enhance signaling by concentrating signaling molecules in one location, or by moving a ligand-activated receptor to the location of downstream signaling proteins. Endosomes for example can serve as important intracellular signaling platforms.
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GO Term
GO:0038171 | cannabinoid signaling pathway
Description: The series of molecular signals generated as a consequence of a cannabinoid binding to a cell surface receptor. The pathway proceeds with the receptor transmitting the signal to a heterotrimeric G-protein complex and ends with regulation of a downstream cellular process, e.g. transcription. Cannabinoids are a class of diverse chemical compounds that include the endocannabinoids and the phytocannabinoids.
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GO Term
GO:0070470 | plasma membrane respirasome
Description: A respiratory chain located in the plasma membrane of a cell; made up of the protein complexes that form the electron transport system (the respiratory chain), associated with the plasma membrane. The respiratory chain complexes transfer electrons from an electron donor to an electron acceptor and are associated with a proton pump to create a transmembrane electrochemical gradient.
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GO Term
GO:0198738 | cell-cell signaling by wnt
Description: Any process that mediates the transfer of information from one cell to another, medaited by a wnt family protein ligand. This process includes wnt signal transduction in the receiving cell, release of wnt ligand from a secreting cell as well as any processes that actively facilitate wnt transport and presentation to receptor on the recieving cell.
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GO Term
GO:0038061 | NIK/NF-kappaB signaling
Description: The process in which a signal is passed on to downstream components within the cell through the NIK-dependent processing and activation of NF-KappaB. Begins with activation of the NF-KappaB-inducing kinase (NIK), which in turn phosphorylates and activates IkappaB kinase alpha (IKKalpha). IKKalpha phosphorylates the NF-Kappa B2 protein (p100) leading to p100 processing and release of an active NF-KappaB (p52).
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GO Term
GO:0070371 | ERK1 and ERK2 cascade
Description: An intracellular protein kinase cascade containing at least ERK1 or ERK2 (MAPKs), a MEK (a MAPKK) and a MAP3K. The cascade may involve 4 different kinases, as it can also contain an additional tier: the upstream MAP4K. The kinases in each tier phosphorylate and activate the kinase in the downstream tier to transmit a signal within a cell.
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GO Term
GO:0045110 | intermediate filament bundle assembly
Description: The formation of the bundles of intermediate filaments. Intermediate filament-associated proteins (IFAPs) cross-link intermediate filaments with one another, forming a bundle or a network, and with other cell structures, including the plasma membrane. The organization of intermediate filaments and their supportive function in various cells types depends in large part on their linkage to other cell structures via IFAPs.
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GO Term
GO:0097003 | adipokinetic hormone receptor activity
Description: Combining with an adipokinetic hormone to initiate a change in cell activity. Adipokinetic hormones (AKHs) are protein or peptide hormones that are important for sugar and fat homeostasis in metazoa. In insects, they mobilize sugar and lipids from the insect fat body during energy-requiring activities such as flight and locomotion. They also contribute to hemolymph sugar homeostasis.
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GO Term
GO:0097452 | GAIT complex
Description: A protein complex which mediates interferon-gamma-induced transcript-selective translation inhibition in inflammation processes. The complex binds to stem loop-containing GAIT elements in the 3'-UTR of diverse inflammatory mRNAs and suppresses their translation by blocking the recruitment of the 43S ribosomal complex to m7G cap-bound eIF4G. In humans it includes RPL13A, EPRS, SYNCRIP and GAPDH; mouse complexes lack SYNCRIP.
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GO Term
GO:0097505 | Rad6-Rad18 complex
Description: A ubiquitin ligase complex found to be involved in post-replicative bypass of UV-damaged DNA and UV mutagenesis. In S. cerevisiae, the complex contains the ubiquitin conjugating enzyme Rad6 and Rad18, a protein containing a RING finger motif and a nucleotide binding motif. The yeast Rad6-Rad18 heterodimer has ubiquitin conjugating activity, binds single-stranded DNA, and possesses single-stranded DNA-dependent ATPase activity.
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GO Term
GO:0099165 | postsynaptic specialization of symmetric synapse, intracellular component
Description: A network of proteins adjacent to the postsynaptic membrane of a symmetric synapse. Its major components include that spatially and functionally organize neurotransmitter receptors in the adjacent membrane, such as anchoring and scaffolding molecules, signaling enzymes and cytoskeletal components. This structure is not as thick or electron dense as the postsynaptic density found in asymmetric synapses.
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GO Term
GO:0120001 | apical plasma membrane urothelial plaque
Description: A scallop-shaped plaque, also referred to as an asymmetric unit membrane (AUM), found in the apical plasma membrane of urothelial superficial (umbrella) cells which form a a barrier to the passage of water and soluble toxic compounds found in urine. The plaques are thickened regions of membrane composed of uroplakin transmembrane proteins which form a crystalline array.
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GO Term
GO:1902710 | GABA receptor complex
Description: A protein complex which is capable of GABA receptor activity. Upon binding of gamma-aminobutyric acid (GABA) it transmits the signal from one side of the membrane to the other to initiate a change in cell activity. Major inhibitory receptor in vertebrate brain. Also found in other vertebrate tissues, invertebrates and possibly in plants. Effective benzodiazepine receptor.
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GO Term
GO:1905543 | interleukin-15 receptor complex
Description: A protein complex that binds interleukin-15 (IL-15) and that consists of, at a minimum, an interleukin, an alpha, beta and gamma chain as well as optional additional kinase subunits. The alpha chain is unique to binds IL-15 while it shares the beta chain with the IL-2 receptor and the cytokine receptor common gamma chain with multiple interleukin receptors.
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GO Term
GO:0048829 | root cap development
Description: The process whose specific outcome is the progression of the root cap over time, from its formation to the mature structure. The root cap protects the root meristem from friction as the root grows through the soil. The cap is made up of a group of parenchyma cells which secrete a glycoprotein mucilage as a lubricant.
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GO Term
GO:0051393 | alpha-actinin binding
Description: Interacting selectively and non-covalently with alpha-actinin, one of a family of proteins that cross-link F-actin as antiparallel homodimers. Alpha-actinin has a molecular mass of 93-103 KDa; at the N-terminus there are two calponin homology domains, at the C-terminus there are two EF-hands. These two domains are connected by the rod domain. This domain is formed by triple-helical spectrin repeats.
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GO Term
GO:0071015 | U12-type prespliceosome
Description: A spliceosomal complex that is formed by the cooperative binding of the heterodimeric U11/U12 snRNP to the 5' splice site and the branch point sequence. The U12-type prespliceosome includes many proteins in addition to those found in the U11/U12 heterodimeric snRNPs. Commitment to a given pair of 5' and 3' splice sites occurs at the time of prespliceosome formation.
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GO Term
GO:0048037 | cofactor binding
Description: Interacting selectively and non-covalently with a cofactor, a substance that is required for the activity of an enzyme or other protein. Cofactors may be inorganic, such as the metal atoms zinc, iron, and copper in certain forms, or organic, in which case they are referred to as coenzymes. Cofactors may either be bound tightly to active sites or bind loosely with the substrate.
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GO Term
GO:0016272 | prefoldin complex
Description: A multisubunit chaperone that is capable of delivering unfolded proteins to cytosolic chaperonin, which it acts as a cofactor for. In humans, the complex is a heterohexamer of two PFD-alpha and four PFD-beta type subunits. In Saccharomyces cerevisiae, it also acts in the nucleus to regulate the rate of elongation by RNA polymerase II via a direct effect on histone dynamics.
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GO Term
GO:0051276 | chromosome organization
Description: A process that is carried out at the cellular level that results in the assembly, arrangement of constituent parts, or disassembly of chromosomes, structures composed of a very long molecule of DNA and associated proteins that carries hereditary information. This term covers covalent modifications at the molecular level as well as spatial relationships among the major components of a chromosome.
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GO Term
GO:0000172 | ribonuclease MRP complex
Description: A ribonucleoprotein complex that contains an RNA molecule of the snoRNA family, and cleaves the rRNA precursor as part of rRNA transcript processing. It also has other roles: In S. cerevisiae it is involved in cell cycle-regulated degradation of daughter cell-specific mRNAs, while in mammalian cells it also enters the mitochondria and processes RNAs to create RNA primers for DNA replication.
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GO Term
GO:0006898 | receptor-mediated endocytosis
Description: An endocytosis process in which cell surface receptors ensure specificity of transport. A specific receptor on the cell surface binds tightly to the extracellular macromolecule (the ligand) that it recognizes; the plasma-membrane region containing the receptor-ligand complex then undergoes endocytosis, forming a transport vesicle containing the receptor-ligand complex and excluding most other plasma-membrane proteins. Receptor-mediated endocytosis generally occurs via clathrin-coated pits and vesicles.
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GO Term
GO:0035329 | hippo signaling
Description: The series of molecular signals mediated by the serine/threonine kinase Hippo or one of its orthologs. In Drosophila, Hippo in complex with the scaffold protein Salvador (Sav), phosphorylates and activates Warts (Wts), which in turn phosphorylates and inactivates the Yorkie (Yki) transcriptional activator. The core fly components hippo, sav, wts and mats are conserved in mammals as STK4/3 (MST1/2), SAV1/WW45, LATS1/2 and MOB1.
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GO Term
GO:0061666 | UFM1 ligase activity
Description: Catalysis of the transfer of UFM1 to a substrate protein via the reaction X-UFM1 + S --> X + S-UFM1, where X is either an E2 or E3 enzyme, the X-UFM1 linkage is a thioester bond, and the S-UFM1 linkage is an isopeptide bond between the C-terminal amino acid of UFM1 and the epsilon-amino group of lysine residues in the substrate.
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GO Term
GO:0001889 | liver development
Description: The process whose specific outcome is the progression of the liver over time, from its formation to the mature structure. The liver is an exocrine gland which secretes bile and functions in metabolism of protein and carbohydrate and fat, synthesizes substances involved in the clotting of the blood, synthesizes vitamin A, detoxifies poisonous substances, stores glycogen, and breaks down worn-out erythrocytes.
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GO Term
GO:0070059 | intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress
Description: A series of molecular signals in which an intracellular signal is conveyed to trigger the apoptotic death of a cell. The pathway is induced in response to a stimulus indicating endoplasmic reticulum (ER) stress, and ends when the execution phase of apoptosis is triggered. ER stress usually results from the accumulation of unfolded or misfolded proteins in the ER lumen.
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GO Term
GO:0010454 | negative regulation of cell fate commitment
Description: Any process that stops, prevents or reduces the frequency or rate of cell fate commitment. Cell fate commitment is the commitment of cells to specific cell fates and their capacity to differentiate into particular kinds of cells. Positional information is established through protein signals that emanate from a localized source within a cell (the initial one-cell zygote) or within a developmental field.
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GO Term
GO:0010453 | regulation of cell fate commitment
Description: Any process that modulates the frequency, rate or extent of cell fate commitment. Cell fate commitment is the commitment of cells to specific cell fates and their capacity to differentiate into particular kinds of cells. Positional information is established through protein signals that emanate from a localized source within a cell (the initial one-cell zygote) or within a developmental field.
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GO Term
GO:0003271 | smoothened signaling pathway involved in regulation of secondary heart field cardioblast proliferation
Description: The series of molecular signals generated as a consequence of activation of the transmembrane protein Smoothened contributing to the modulation of the frequency, rate or extent of cardioblast proliferation in the secondary heart field. A cardioblast is a cardiac precursor cell. It is a cell that has been committed to a cardiac fate, but will undergo more cell division rather than terminally differentiating.
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GO Term
GO:0003376 | sphingosine-1-phosphate receptor signaling pathway
Description: A series of molecular signals initiated by the sphingolipid sphingosine-1-phosphate (S1P) binding to a receptor on the surface of the cell, and which proceeds with the activated receptor transmitting the signal by promoting the exchange of GDP for GTP on the alpha-subunit of an associated heterotrimeric G-protein complex. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
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GO Term
GO:0007503 | fat body development
Description: The process whose specific outcome is the progression of the fat body over time, from its formation to the mature structure. A fat body is an insect gland dorsal to the insect gut, with a function analogous to that of the vertebrate liver. It is a storage organ for fats, glycogen and protein and is a major site of intermediary metabolism.
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GO Term
GO:0008282 | inward rectifying potassium channel
Description: A protein complex that comprises four pore-forming (Kir6.x) and four regulatory sulphonylurea receptor (SURx) subunits and forms a transmembrane channel through which ions may pass. The opening and closing of the channel is regulated by ATP: binding of ATP to the Kir6.x subunit inhibits channel activity, whereas binding of Mg2+-complexed ATP or ADP to the SURx subunit stimulates channel activity.
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GO Term
GO:0010455 | positive regulation of cell fate commitment
Description: Any process that activates, maintains or increases the frequency or rate of cell fate commitment. Cell fate commitment is the commitment of cells to specific cell fates and their capacity to differentiate into particular kinds of cells. Positional information is established through protein signals that emanate from a localized source within a cell (the initial one-cell zygote) or within a developmental field.
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GO Term
GO:0018252 | peptide cross-linking via L-seryl-5-imidazolinone glycine
Description: The formation of the green fluorescent protein chromophore cross-link from the alpha-carboxyl carbon of residue n, a serine, to the alpha-amino nitrogen of residue n+2, a glycine, and a dehydration to form a double bond to the alpha-amino nitrogen of residue n+1. This cross-linking is coupled with a dehydrogenation of residue n+1 to form a double bond between the alpha and beta carbons.
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GO Term
GO:0019729 | peptide cross-linking via 2-imino-glutaminyl-5-imidazolinone glycine
Description: The formation of the fluorescent protein FP583 chromophore cross-link from the alpha-carboxyl carbon of residue n, a glutamine, to the alpha-amino nitrogen of residue n+2, a glycine, and a dehydration to form a double bond to the alpha-amino nitrogen of residue n+1. This cross-linking is coupled with a dehydrogenation of residue n+1 to form a double bond between the alpha and beta carbons.
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GO Term
GO:0019820 | P2 peroxisome
Description: A subform of peroxisome that corresponds to an intermediate in a peroxisome assembly pathway, which operates by conversion of peroxisomal subforms in the direction P1, P2 -> P3 -> P4 -> P5 -> P6. P2 peroxisomes are distinguished from the other subforms on the bases of buoyant density and protein content; they are the least dense of the subforms observed.
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GO Term
GO:0019821 | P3 peroxisome
Description: A subform of peroxisome that corresponds to an intermediate in a peroxisome assembly pathway, which operates by conversion of peroxisomal subforms in the direction P1, P2 -> P3 -> P4 -> P5 -> P6. P3 peroxisomes are formed by fusion of P1 and P2 peroxisomes, and are distinguished from the other subforms on the bases of buoyant density and protein content.
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GO Term
GO:0031091 | platelet alpha granule
Description: A secretory organelle found in blood platelets, which is unique in that it exhibits further compartmentalization and acquires its protein content via two distinct mechanisms: (1) biosynthesis predominantly at the megakaryocyte (MK) level (with some vestigial platelet synthesis) (e.g. platelet factor 4) and (2) endocytosis and pinocytosis at both the MK and circulating platelet levels (e.g. fibrinogen (Fg) and IgG).
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GO Term
GO:0031150 | sorocarp stalk development
Description: The process whose specific outcome is the progression of the sorocarp stalk over time, from its formation to the mature structure. The sorocarp stalk is a tubular structure that consists of cellulose-covered cells stacked on top of each other and surrounded by an acellular stalk tube composed of cellulose and glycoprotein. An example of this process is found in Dictyostelium discoideum.
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GO Term
GO:0033263 | CORVET complex
Description: A multimeric protein complex that acts as an endosomal tethering complex (CORVET = class C core vacuole/endosome tethering) by cooperating with Rab GTPases to capture endosomal vesicles and trap them prior to the action of SNAREs; the complex is involved in endo-lysosomal biogenesis and required for transport between endosome and vacuole. The Saccharomyces cerevisiae complex contains Vps8p, Vps3p, Pep5p, Vps16p, Pep3p, and Vps33p.
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GO Term
GO:0035333 | Notch receptor processing, ligand-dependent
Description: The proteolytic cleavages to the Notch protein that occur as a result of ligand binding. Ligand binding at the cell surface exposes an otherwise inaccessible cleavage site in the extracellular portion of Notch, which when cleaved releases a membrane-tethered form of the Notch intracellular domain. Subsequent cleavage within the transmembrane domain then leads to the release of the soluble Notch intracellular domain (NICD).
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GO Term
GO:0036087 | glutathione synthase complex
Description: A protein complex composed of two or more polypeptide subunits, and which possesses glutathione synthase activity (catalysis of the reaction: L-gamma-glutamyl-L-cysteine + ATP + glycine = ADP + glutathione + 2 H(+) + phosphate). In eukaryotes, the complex is homodimeric, in E. coli glutathione synthase exists as a tetramer, and in S. pombe the complex exists as a homodimer or a heterotetramer.
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GO Term
GO:0036483 | neuron intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress
Description: A series of molecular signals in which an intracellular signal is conveyed to trigger the apoptotic death of a neuron. The pathway is induced in response to a stimulus indicating endoplasmic reticulum (ER) stress, and ends when the execution phase of apoptosis is triggered. ER stress usually results from the accumulation of unfolded or misfolded proteins in the ER lumen.
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GO Term
GO:0071004 | U2-type prespliceosome
Description: A spliceosomal complex that is formed by association of the 5' splice site with the U1 snRNP, while the branch point sequence is recognized by the U2 snRNP. The prespliceosome includes many proteins in addition to those found in the U1 and U2 snRNPs. Commitment to a given pair of 5' and 3' splice sites occurs at the time of prespliceosome formation.
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GO Term
GO:0097090 | presynaptic membrane organization
Description: A process which results in the assembly, arrangement of constituent parts, or disassembly of a presynaptic membrane, including any proteins associated with the membrane, but excluding other cellular components. A presynaptic membrane is a specialized area of membrane of the axon terminal that faces the plasma membrane of the neuron or muscle fiber with which the axon terminal establishes a synaptic junction.
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GO Term
GO:0097105 | presynaptic membrane assembly
Description: The aggregation, arrangement and bonding together of a set of components to form a presynaptic membrane, including any proteins associated with the membrane, but excluding other cellular components. A presynaptic membrane is a specialized area of membrane of the axon terminal that faces the plasma membrane of the neuron or muscle fiber with which the axon terminal establishes a synaptic junction.
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GO Term
GO:0097654 | platelet SNARE complex
Description: A SNARE complex that is capable of fusing intracellular vesicles to the plasma membrane of platelets for exocytosis of alpha-granules or dense granules. Contains isoforms of VAMP, SNAP and syntaxin proteins. Ternary SNARE complexes interact in a circular array to form ring complexes or channels around the membrane fusion. A common composition in human is VAMP-8, SNAP-23 and syntaxin-2 or -4.
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GO Term
GO:0120202 | rod photoreceptor disc membrane
Description: Stack of disc membranes located inside a rod photoreceptor outer segment, and containing densely packed molecules of rhodopsin photoreceptor proteins that traverse the lipid bilayer. It is thought that rod disc membranes arise as evaginations of the ciliary membrane near the base of the outer segment, which then become completely separated from the ciliary membrane, during the development of the rod outer segment.
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GO Term
GO:0140093 | esBAF complex
Description: An embryonic stem cell-specific SWI/SNF-type complex that contains eight or nine proteins, including both conserved (core) and nonconserved components; contains the ATPase product of either the SMARCA4/BAF190A/BRG1 gene, the mammalian ortholog of the yeast SNF2 gene, or an ortholog thereof. Compared to many other BAF complexes never contains ACTL6B/BAF53B, ARID1B/BAF250B, SMARCA2/BRM, SMARCC2/BAF170 or SMARCD3/BAF60C but contains PHF10/BAF45A, DPF2/BAF45D and possibly one of BCL7A/B/C.
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GO Term
GO:1904602 | serotonin-activated cation-selective channel complex
Description: A protein complex which is capable of serotonin-activated cation-selective channel activity. Mainly found in pre- and postsynaptic membranes of the brain and gastrointestinal tract. Depending on its location it transports Ca2+, Mg2+, Na+ or K+. It is always a pentamer, containing at least the 5HT3A subunit forming 5HT3A homopentamers or 5HT3A/B heteropentamers. In human, 5HT3A/C, A/D and A/E heteropentamers also exist.
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GO Term
GO:1990250 | transcription-coupled nucleotide-excision repair, DNA damage recognition complex
Description: A protein complex that is capable of identifying lesions in DNA on the actively transcribed strand of the DNA duplex as well as a small subset of lesions not recognized by the general nucleotide-excision repair pathway. The wide range of substrate specificity suggests that the repair complex recognizes distortions in the DNA helix. It subsequently recruits a nucleotide-excision repair, preincision complex.
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GO Term
GO:1990633 | mutator focus
Description: A type of punctate focus localized to the perinuclear region of germline cytoplasm in C. elegans. Mutator foci are required for RNA interference (RNAi) and serve as sites of small inhibitory RNA (siRNA) amplification. As such, proteins that localize to mutator foci include RNA-directed RNA polymerases (RdRPs) and beta-nucleotidyltransferases. Mutator foci are distinct from, but adjacent to or partially overlap, P granules.
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GO Term
GO:1990873 | intrinsic component of plasma membrane of cell tip
Description: The component of the plasma membrane surrounding the cell tip consisting of the gene products and protein complexes having either part of their peptide sequence embedded in the hydrophobic region of the plasma membrane surrounding the cell tip or some other covalently attached group such as a GPI anchor that is similarly embedded in the plasma membrane surrounding the cell tip.
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GO Term
GO:0048543 | phytochrome chromophore biosynthetic process
Description: The chemical reactions and pathways resulting in the formation of the phytochrome chromophore. The phytochrome chromophore is a linear tetrapyrrolic prosthetic group covalently attached to the large soluble protein phytochrome. Light absorption by the phytochrome chromophore triggers photoconversion between two spectrally distinct forms of the photoreceptor: Pr, the red light absorbing form, and Pfr, the far red light absorbing form.
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GO Term
GO:0051357 | peptide cross-linking via 3-(2-methylthio)ethyl-6-(4-hydroxybenzylidene)-5-iminopiperazin-2-one
Description: The formation of a 2-keto-5-iminopiperazine protein chromophore cross-link from the alpha-amino nitrogen of residue n, a methionine, to the alpha-carboxyl carbon of residue n+1, a tyrosine, and a dehydration to form a double bond to the alpha-amino nitrogen of residue n+2. This cross-linking is coupled with a dehydrogenation of residue n+1 to form a double bond between the alpha and beta carbons.
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GO Term
GO:0051360 | peptide cross-linking via L-asparagine 5-imidazolinone glycine
Description: The formation of the fluorescent protein FP506 chromophore cross-link from the alpha-carboxyl carbon of residue n, an asparagine, to the alpha-amino nitrogen of residue n+2, a glycine, and a dehydration to form a double bond to the alpha-amino nitrogen of residue n+1. This cross-linking is coupled with a dehydrogenation of residue n+1 to form a double bond between the alpha and beta carbons.
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GO Term
GO:0051361 | peptide cross-linking via L-lysine 5-imidazolinone glycine
Description: The formation of a fluorescent protein chromophore cross-link from the alpha-carboxyl carbon of residue n, a lysine, to the alpha-amino nitrogen of residue n+2, a glycine, and a dehydration to form a double bond to the alpha-amino nitrogen of residue n+1. This cross-linking is coupled with a dehydrogenation of residue n+1 to form a double bond between the alpha and beta carbons.
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GO Term
GO:0061660 | Atg12 ligase activity
Description: Catalysis of the transfer of Atg12 to a substrate protein via the reaction X-Atg12 + S --> X + S-Atg12, where X is either an E2 or E3 enzyme, the X-Atg12 linkage is a thioester bond, and the S-Atg12 linkage is an isopeptide bond between the C-terminal amino acid of Atg12 and the epsilon-amino group of lysine residues in the substrate.
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GO Term
GO:0061661 | FAT10 ligase activity
Description: Catalysis of the transfer of FAT10 to a substrate protein via the reaction X-FAT10 + S --> X + S-FAT10, where X is either an E2 or E3 enzyme, the X-FAT10 linkage is a thioester bond, and the S-FAT10 linkage is an isopeptide bond between the C-terminal glycine of FAT10 and the epsilon-amino group of lysine residues in the substrate.
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GO Term
GO:0061662 | ISG15 ligase activity
Description: Catalysis of the transfer of a ISG15 to a substrate protein via the reaction X-ISG15 + S --> X + S-ISG15, where X is either an E2 or E3 enzyme, the X-ISG15 linkage is a thioester bond, and the S-ISG15 linkage is an isopeptide bond between the C-terminal amino acid of ISG15 and the epsilon-amino group of lysine residues in the substrate.
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GO Term
GO:0061663 | NEDD8 ligase activity
Description: Catalysis of the transfer of NEDD8 to a substrate protein via the reaction X-NEDD8 + S --> X + S-NEDD8, where X is either an E2 or E3 enzyme, the X-NEDD8 linkage is a thioester bond, and the S-NEDD8 linkage is an isopeptide bond between the C-terminal amino acid of NEDD8 and the epsilon-amino group of lysine residues in the substrate.
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GO Term
GO:0061664 | Pup ligase activity
Description: Catalysis of the transfer of Pup to a substrate protein via the reaction X-Pup + S --> X + S-Pup, where X is either an E2 or E3 enzyme, the X-Pup linkage is a thioester bond, and the S-Pup linkage is an isopeptide bond between the C-terminal amino acid of Pup and the epsilon-amino group of lysine residues in the substrate.
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GO Term
GO:0061665 | SUMO ligase activity
Description: Catalysis of the transfer of SUMO to a substrate protein via the reaction X-SUMO + S --> X + S-SUMO, where X is either an E2 or E3 enzyme, the X-SUMO linkage is a thioester bond, and the S-SUMO linkage is an isopeptide bond between the C-terminal amino acid of SUMO and the epsilon-amino group of lysine residues in the substrate.
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GO Term
GO:0061667 | URM1 ligase activity
Description: Catalysis of the transfer of URM1 to a substrate protein via the reaction X-URM1 + S --> X + S-URM1, where X is either an E2 or E3 enzyme, the X-URM1 linkage is a thioester bond, and the S-URM1 linkage is an isopeptide bond between the C-terminal amino acid of URM1 and the epsilon-amino group of lysine residues in the substrate.
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GO Term
GO:0070254 | mucus secretion
Description: The regulated release of mucus by the mucosa. Mucus is a viscous slimy secretion consisting of mucins and various inorganic salts dissolved in water, with suspended epithelial cells and leukocytes. The mucosa, or mucous membrane, is the membrane covered with epithelium that lines the tubular organs of the body. Mucins are carbohydrate-rich glycoproteins that have a lubricating and protective function.
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GO Term
GO:0070701 | mucus layer
Description: An extracellular region part that consists of a protective layer of mucus secreted by epithelial cells lining tubular organs of the body such as the colon or secreted into fluids such as saliva. Mucus is a viscous slimy secretion consisting of mucins (i.e. highly glycosylated mucin proteins) and various inorganic salts dissolved in water, with suspended epithelial cells and leukocytes.
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GO Term
GO:0070941 | eisosome assembly
Description: The aggregation, arrangement and bonding together of a set of components to form an eisosome, a cell part that is composed of the eisosome membrane and eisosome filaments. The eisosome membrane, also called the MCC domain, is a furrow-like plasma membrane sub-domain with associated integral transmembrane proteins. The eisosome filaments form a scaffolding lattice on the cytoplasmic face of the membrane.
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GO Term
GO:0071006 | U2-type catalytic step 1 spliceosome
Description: A spliceosomal complex that is formed by the displacement of the U1 and U4 snRNPs from the precatalytic spliceosome; the U2, U5 and U6 snRNPs remain associated with the mRNA. This complex, sometimes called the activated spliceosome, is the catalytically active form of the spliceosome, and includes many proteins in addition to those found in the U2, and U5 and U6 snRNPs.
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GO Term
GO:0071007 | U2-type catalytic step 2 spliceosome
Description: A spliceosomal complex that contains the U2, U5 and U6 snRNPs bound to a splicing intermediate in which the first catalytic cleavage of the 5' splice site has occurred. The precise subunit composition differs significantly from that of the catalytic step 1, or activated, spliceosome, and includes many proteins in addition to those found in the U2, U5 and U6 snRNPs.
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GO Term
GO:0071017 | U12-type catalytic step 1 spliceosome
Description: A spliceosomal complex that is formed by the displacement of the U11 and U4atac snRNPs from the precatalytic spliceosome; the U12, U5 and U6atac snRNPs remain associated with the mRNA. This complex, sometimes called the activated spliceosome, is the catalytically active form of the spliceosome, and includes many proteins in addition to those found in the U12, and U5 and U6atac snRNPs.
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GO Term
GO:0071018 | U12-type catalytic step 2 spliceosome
Description: A spliceosomal complex that contains the U12, U5 and U6atac snRNPs bound to a splicing intermediate in which the first catalytic cleavage of the 5' splice site has occurred. The precise subunit composition differs significantly from that of the catalytic step 1, or activated, spliceosome, and includes many proteins in addition to those found in the U12, U5 and U6atac snRNPs.
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GO Term
GO:0071601 | sphere organelle
Description: A nuclear body that is found in the germinal vesicles of amphibian oocytes, and consist of three major parts: a remarkably spherical body about 5-10 pm in diameter, smaller spherical or nearly spherical granules on the surface, and inclusions of various sizes that strongly resemble the surface granules. The parts of the sphere organelle have distinct compositions, including splicing snRNAs and proteins.
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