抑制半胱氨酸肽酶的蛋白质,尽管在分子性质和生物学分布上有很大差异,但业已发现它们在进化上是相关的,从而形成了“胱蛋白超家族”(cysta-tins superfamily)。现正在试图了解它们是怎样抑制靶酶以及它们的生理怍用如何。很多肽酶(通过水解肽键来降解蛋白质的酶)的催化活性依赖于催化位点上具有高度反应 Proteins that inhibit cysteine ​​peptidases have been found to be evolutionarily related despite the large differences in their molecular properties and biological distribution, resulting in the formation of cysta-tins superfamily). Attempting to understand how they inhibit target enzymes and their physiological roles are now underway. The catalytic activity of many peptidases (enzymes that degrade proteins by hydrolyzing peptide bonds) depends on the high degree of reaction at the catalytic site