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ENZYME entry: EC 3.4.21.99

Accepted Name
Spermosin.
Reaction catalysed
Hydrolyzes arginyl bonds, preferably with Pro in the P2 position
Comment(s)
  • The enzyme from the ascidian (Prochordate) Halocynthia roretzi is localized in the sperm head, and released during sperm activation.
  • A proline-rich region is involved in binding to the vitelline coat of the egg.
  • Belongs to peptidase family S1.
Cross-references
PROSITEPDOC00124
BRENDA3.4.21.99
EC2PDB3.4.21.99
ExplorEnz3.4.21.99
PRIAM enzyme-specific profiles3.4.21.99
KEGG Ligand Database for Enzyme Nomenclature3.4.21.99
IUBMB Enzyme Nomenclature3.4.21.99
IntEnz3.4.21.99
MEDLINEFind literature relating to 3.4.21.99
MetaCyc3.4.21.99
UniProtKB/Swiss-Prot
Q966V2, SPRM_HALRO

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