Protein Domain : EndoU ribonuclease, C-terminal IPR018998

Type  Domain
Description  This entry represents the EndoU domain found at the C-terminal of EndoU endoribonucleases, which carries out a conserved RNA processing function. The EndoU domain cleaves RNA at uridylates and release 2',3'-cyclic phosphodiester ends. The EndoU domain is an α/β domain, that contains nine α-helices and three antiparallel β-sheets; the latter are clustered on one side of the domain, whereas the α-helices are largely on the other side [ ]. It contains a conserved trio of catalytic residues, two histidines and a lysine.EndoU is a family of metal-dependent endoribonucleases that is broadly conserved among eukaryotes [ , ]. EndoU family members have RNA-binding and endoribonuclease activities and appear to be involved in many aspects of biology, including small nucleolar RNA biogenesis, endoplasmic reticulum (ER) network formation, immune response, and neurodegeneration:Xenopus laevis endoribonuclease XendoU is responsible for processing the intron encoded U16 and U86 small nucleolar RNAs (snoRNAs) [ , , ].Human EndoU, also known as PP11 (placental protein 11), has an endoribonuclease activity with placental tissue specificity [ , , ].Drosophila melanogaster CG2145 and DendoU endoribonucleases [ ].Caenorhabditis elegans endu-2 regulates nucleotide metabolism and germ cell proliferation in response to nucleotide imbalance and other genotoxic stress [ ].
Short Name  EndoU_C

0 Child Features

1 Gene Families

109 Genes

1 Ontology Annotations

0 Parent Features

14 Publications

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