ID   3.4.21.99
DE   spermosin.
CA   Hydrolyzes arginyl bonds, preferably with Pro in the P2 position.
CC   -!- The enzyme from the ascidian (Prochordate) Halocynthia roretzi is
CC       localized in the sperm head, and released during sperm activation.
CC   -!- A proline-rich region is involved in binding to the vitelline coat of
CC       the egg.
CC   -!- Belongs to peptidase family S1.
DR   Q966V2, SPRM_HALRO ;
//