Cystatin-F (Cystatin-7) (Cystatin-like metastasis-associated protein) (CMAP) (Leukocystatin)
1_MRAAG 6_ TLLAF 11_ CCLVL 16_ STTGG 21_ PSPDT 26_ CSQDL 31_ NSRVK 36_ PGFPK 41_ TIKTN 46_ DPGVL 51_ QAARY 56_ SVEKF 61_ NNCTN 66_ DMFLF 71_ KESRI 76_ TRALV 81_ QIVKG 86_ LKYML 91_ EVEIG 96_ RTTCK 101_ KNQHL 106_ RLDDC 111_ DFQTN 116_ HTLKQ 121_ TLSCY 126_ SEVWV 131_ VPWLQ 136_HFEVP
1: Inhibits papain and cathepsin L but with affinities lower than other cystatins. May play a role in immune regulation through inhibition of a unique target in the hematopoietic system