Protein Domain : Peptidase S9A, N-terminal domain IPR023302

Type  Domain
Description  This entry represents the β-propeller domain found at the N-terminal of prolyl oligopeptidase from the MEROPS peptidase family S9A. The prolyl oligopeptidase family consist of a number of evolutionary related peptidases whose catalytic activity seems to be provided by a charge relay system similar to that of the trypsin family of serine proteases, but which evolved by independent convergent evolution. The N-terminal domain of prolyl oligopeptidases form an unusual 7-bladed β-propeller consisting of seven 4-stranded β-sheet motifs.Prolyl oligopeptidase is a large cytosolic enzyme involved in the maturation and degradation of peptide hormones and neuropeptides, which relate to the induction of amnesia. The enzyme contains a peptidase domain, where its catalytic triad (Ser554, His680, Asp641) is covered by the central tunnel of the N-terminal β-propeller domain. In this way, large structured peptides are excluded from the active site, thereby protecting larger peptides and proteins from proteolysis in the cytosol [ ].
Short Name  Pept_S9A_N

0 Child Features

4 Gene Families

30 Genes

1 Ontology Annotations

0 Parent Features

4 Publications

USDA
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