目的：克隆与表达大肠杆菌s -腺苷甲硫氨酸合成酶的基因。

Objectives: To clone and express the S-adenosyl-L-methionine synthetase gene.

youdao

目的：克隆与表达大肠杆菌s -腺苷甲硫氨酸合成酶的基因。

Objectives: To clone and express the S-adenosyl-L-methionine synthetase gene.

youdao