Keywords Polypeptide:N-acetylgalactosaminyltransferase2;Prokaryotic Expression;GST Fusion Protein;Glutathione-Sepharose Affinity Chromatography;Enzyme activity assay;

• 关键词多肽:N-乙酰氨基半乳糖转移酶2;原核表达;GST融合蛋白;谷胱甘肽-琼脂糖亲和层析;酶活检测;