intein
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英 
例句
In N-terminal cleavage, the intein's last residue is mutated to abolish step 3 of the splicing mechanism.
其末位氨基酸突变则剪接反应第3步天冬酰胺环化无法进行,发生N端断裂;
Construction and Application of an Intein- mediated Prokaryotic Expression and Purification Vector
蛋白内含子介导纯化的表达载体的构建及应用