PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8373968-3 1993 The acrosin-binding activity of the 28-kDa protein was stimulated by Ca2+, inhibited by Mg2+, and removed by disulphide bond reduction. disulphide 109-119 acrosin Homo sapiens 4-11 11080640-2 2000 During fertilization proacrosin autoactivates to form beta-acrosin, in which there is a "light" chain cross-linked to a "heavy" chain by two disulphide bonds. disulphide 141-151 acrosin Homo sapiens 21-31