Protein Domain : Organic solute transporter subunit alpha/Transmembrane protein 184 IPR005178

Type  Family
Description  This entry includes Organic solute transporter subunit alpha (OSTalpha, also known as SLC51A) and Transmembrane protein 184 (TMEM184). Ost-alpha protein is a 7-transmembrane (TM) domain containing protein that forms a transporter complex with Ost-beta protein, which is a single-TM domain polypeptide. This heterodimerisation is required for the delivery of the complex to the plasma membrane. The OSTalpha-OSTbeta complex serves as a multispecific transporter that may participate in cellular uptake of bile acids, some endogenous and exogenous steroids, and eicosanoids. It functions via a facilitated diffusion mechanism. Interestingly, this transporter also transports dehydroepiandrosterone sulfate (DHEAS) and pregnenolone sulfate (PREGS), which are major excitatory neurosteroids. This suggests a possible function for OSTalpha-OSTbeta complex in the brain [ ]. In plants this complex may transport brassinosteroid-like compounds and act as regulators of cell death [].Human TMEM184C is a possible tumour suppressor which may play a role in cell growth [ ]. This entry also includes Arabidopsis protein LAZ1, which is required for programmed cell death (PCD) associated with hypersensitive response (HR) [].
Short Name  Ostalpha/TMEM184C

0 Child Features

6 Gene Families

881 Genes

0 Ontology Annotations

0 Parent Features

14 Publications

USDA
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