
Asparaginylendopeptidase specifically cleaves peptide bonds on the carboxyl side of asparagine residues, including –Asn-Pro– bonds. The cleavagespecificity of this enzyme has been validated on many peptides and proteins, confirming that bonds locatedon N-terminal or N-second position asparagine residues are not cleaved. Only those bonds adjacent to C-terminal asparagines residues are cleaved. Because asparagine residues bound to sugar chains are not cleaved, this enzyme can be usedfor protein analysisof sequenced glycoproteins. Asparaginylendopeptidase is isolated from Jackbean (Canavalia ensiformis).
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算上其他生物24种
大概是记不太清了
本人目前需从电鳗放电器官中提取乙酰胆碱受体蛋白,提纯需要的步骤和电鳗器官都可以提供,有没有提供外包提纯服务的公司或者实验室。

