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Peptide sequence: MMCGAPSATQ PATAETQHIA DQVRSQLEEK ENKKFPVFKA VSFKSQVVAG
Sequence homology: Cow: 100%; Guinea Pig: 86%; Horse: 100%; Human: 100%; Mouse: 93%; Pig: 93%; Rabbit: 79%; Rat: 86%; Sheep: 100%
Cystatin A (also designated STF1, STFA, stefin A or cystatin AS) and cystatin B (also designated PME, CST6, STFB, CPI-B, stefin B and liver thiol proteinase inhibitor) are thiol protease inhibitors that form complexes with Papain and the cathepsins B, H and L. Cystatin A, a cytoplasmic protein, is one of the precursor proteins of the cornified cell envelope in keratinocytes and plays a role in epidermal development and maintenance. Cystatin B protects against intracellular proteases leaking out of lysosomes and is primarily expressed in heart, liver and kidney.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: CPI-B; cystatin B (stefin B); Cystatin-B; Liver thiol proteinase inhibitor; stefin B; Stefin-B
基因别名: CPI-B; CST6; CSTB; EPM1; EPM1A; PME; STFB; ULD
UniProt ID: (Human) P04080
Entrez Gene ID: (Human) 1476
分子生物学功能: protease inhibitor