![Cystatin B (N84) polyclonal antibody detects endogenous levels of Cystatin B protein.](http://shop.customscience.co.nz/cdn/shop/products/Antibody_8cbea59c-23fa-4701-83d3-32cb61a16dcc_717x700.gif?v=1690466211)
Cystatin B (N84) polyclonal antibody detects endogenous levels of Cystatin B protein.
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.
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