A mutant hydrolase optionally fused to a protein of interest is provided. The mutant hydrolase is capable of forming a bond with a substrate for the corresponding nonmutant (wild-type) hydrolase which is more stable than the bond formed between the wild-type hydrolase and the substrate. Substrates for hydrolases comprising one or more functional groups are also provided, as well as methods of using the mutant hydrolase and the substrates of the invention. Also provided is a fusion protein capable of forming a stable bond with a substrate and cells which express the fusion protein.
提供了一种可选地与感兴趣的蛋白质融合的突变
水解酶。该突变
水解酶能够与相应的非突变(野生型)
水解酶的底物形成比野生型
水解酶和底物之间更稳定的键合。还提供了包含一个或多个功能基团的
水解酶底物,以及使用该突变
水解酶和本发明的底物的方法。还提供了一种能够与底物形成稳定键合的融合蛋白质和表达该融合蛋白质的细胞。