Acrosin (EC 3.4.21.10) [Cleaved into: Acrosin light chain; Acrosin heavy chain]
1_MVEML 6_ PTAIL 11_ LVLAV 16_ SVVAK 21_ DNATC 26_ DGPCG 31_ LRFRQ 36_ NPQGG 41_ VRIVG 46_ GKAAQ 51_ HGAWP 56_ WMVSL 61_ QIFTY 66_ NSHRY 71_ HTCGG 76_ SLLNS 81_ RWVLT 86_ AAHCF 91_ VGKNN 96_ VHDWR 101_ LVFGA 106_ KEITY 111_ GNNKP 116_ VKAPL 121_ QERYV 126_ EKIII 131_ HEKYN 136_ SATEG 141_ NDIAL 146_ VEITP 151_ PISCG 156_ RFIGP 161_ GCLPH 166_ FKAGL 171_ PRGSQ 176_ SCWVA 181_ GWGYI 186_ EEKAP 191_ RPSSI 196_ LMEAR 201_ VDLID 206_ LDLCN 211_ STQWY 216_ NGRVQ 221_ PTNVC 226_ AGYPV 231_ GKIDT 236_ CQGDS 241_ GGPLM 246_ CKDSK 251_ ESAYV 256_ VVGIT 261_ SWGVG 266_ CARAK 271_ RPGIY 276_ TATWP 281_ YLNWI 286_ ASKIG 291_ SNALR 296_ MIQSA 301_ TPPPP 306_ TTRPP 311_ PIRPP 316_ FSHPI 321_ SAHLP 326_ WYFQP 331_ PPRPL 336_ PPRPP 341_ AAQPR 346_ PPPSP 351_ PPPPP 356_ PPASP 361_ LPPPP 366_ PPPPP 371_ TPSST 376_ TKLPQ 381_ GLSFA 386_ KRLQQ 391_ LIEVL 396_ KGKTY 401_ SDGKN 406_ HYDME 411_ TTELP 416_ELTST
1: Acrosin is the major protease of mammalian spermatozoa. It is a serine protease of trypsin-like cleavage specificity, it is synthesized in a zymogen form, proacrosin and stored in the acrosome