Cystatin-S (Cystatin-4) (Cystatin-SA-III) (Salivary acidic protein 1)
1_MARPL 6_ CTLLL 11_ LMATL 16_ AGALA 21_ SSSKE 26_ ENRII 31_ PGGIY 36_ DADLN 41_ DEWVQ 46_ RALHF 51_ AISEY 56_ NKATE 61_ DEYYR 66_ RPLQV 71_ LRARE 76_ QTFGG 81_ VNYFF 86_ DVEVG 91_ RTICT 96_ KSQPN 101_ LDTCA 106_ FHEQP 111_ ELQKK 116_ QLCSF 121_ EIYEV 126_ PWEDR 131_ MSLVN 136_SRCQE
1: This protein strongly inhibits papain and ficin, partially inhibits stem bromelain and bovine cathepsin C, but does not inhibit porcine cathepsin B or clostripain. Papain is inhibited non-competitively