Cystatin-B (CPI-B) (Liver thiol proteinase inhibitor) (Stefin-B)
1_MMCGA 6_ PSATQ 11_ PATAE 16_ TQHIA 21_ DQVRS 26_ QLEEK 31_ ENKKF 36_ PVFKA 41_ VSFKS 46_ QVVAG 51_ TNYFI 56_ KVHVG 61_ DEDFV 66_ HLRVF 71_ QSLPH 76_ ENKPL 81_ TLSNY 86_ QTNKA 91_KHDEL
1: This is an intracellular thiol proteinase inhibitor. Tightly binding reversible inhibitor of cathepsins L, H and B