Calpastatin (Calpain inhibitor) (Sperm BS-17 component)
1_MNPTE 6_ TKAIP 11_ VSQQM 16_ EGPHL 21_ PNKKK 26_ HKKQA 31_ VKTEP 36_ EKKSQ 41_ STKLS 46_ VVHEK 51_ KSQEG 56_ KPKEH 61_ TEPKS 66_ LPKQA 71_ SDTGS 76_ NDAHN 81_ KKAVS 86_ RSAEQ 91_ QPSEK 96_ STEPK 101_ TKPQD 106_ MISAG 111_ GESVA 116_ GITAI 121_ SGKPG 126_ DKKKE 131_ KKSLT 136_ PAVPV 141_ ESKPD 146_ KPSGK 151_ SGMDA 156_ ALDDL 161_ IDTLG 166_ GPEET 171_ EEENT 176_ TYTGP 181_ EVSDP 186_ MSSTY 191_ IEELG 196_ KREVT 201_ IPPKY 206_ RELLA 211_ KKEGI 216_ TGPPA 221_ DSSKP 226_ IGPDD 231_ AIDAL 236_ SSDFT 241_ CGSPT 246_ AAGKK 251_ TEKEE 256_ STEVL 261_ KAQSA 266_ GTVRS 271_ AAPPQ 276_ EKKRK 281_ VEKDT 286_ MSDQA 291_ LEALS 296_ ASLGT 301_ RQAEP 306_ ELDLR 311_ SIKEV 316_ DEAKA 321_ KEEKL 326_ EKCGE 331_ DDETI 336_ PSEYR 341_ LKPAT 346_ DKDGK 351_ PLLPE 356_ PEEKP 361_ KPRSE 366_ SELID 371_ ELSED 376_ FDRSE 381_ CKEKP 386_ SKPTE 391_ KTEES 396_ KAAAP 401_ APVSE 406_ AVCRT 411_ SMCSI 416_ QSAPP 421_ EPATL 426_ KGTVP 431_ DDAVE 436_ ALADS 441_ LGKKE 446_ ADPED 451_ GKPVM 456_ DKVKE 461_ KAKEE 466_ DREKL 471_ GEKEE 476_ TIPPD 481_ YRLEE 486_ VKDKD 491_ GKPLL 496_ PKESK 501_ EQLPP 506_ MSEDF 511_ LLDAL 516_ SEDFS 521_ GPQNA 526_ SSLKF 531_ EDAKL 536_ AAAIS 541_ EVVSQ 546_ TPAST 551_ TQAGA 556_ PPRDT 561_ SQSDK 566_ DLDDA 571_ LDKLS 576_ DSLGQ 581_ RQPDP 586_ DENKP 591_ MEDKV 596_ KEKAK 601_ AEHRD 606_ KLGER 611_ DDTIP 616_ PEYRH 621_ LLDDN 626_ GQDKP 631_ VKPPT 636_ KKSED 641_ SKKPA 646_ DDQDP 651_ IDALS 656_ GDLDS 661_ CPSTT 666_ ETSQN 671_ TAKDK 676_ CKKAA 681_ SSSKA 686_ PKNGG 691_ KAKDS 696_ AKTTE 701_ETSKP
1: Specific inhibition of calpain (calcium-dependent cysteine protease). Plays a key role in postmortem tenderization of meat and have been proposed to be involved in muscle protein degradation in living tissue