The present invention provides a novel polypeptide having a β1,3-N-acetylglucosaminyltransferase activity; a method for producing the polypeptide; a DNA which encodes the polypeptide; a recombinant vector into which the DNA is inserted; a transformant comprising the recombinant vector; a method for producing a sugar chain or complex carbohydrate, using the polypeptide; a method for producing a sugar chain or complex carbohydrate, using the transformant; an antibody which recognizes the polypeptide; a method for screening a substance which changes the expression of the gene which encodes the polypeptide; and a method for screening a substance which changes the activity of the polypeptide.
本发明提供了一种新型聚肽,具有β1,3-N-乙酰
葡萄糖胺基转移酶活性;一种生产该聚肽的方法;编码该聚肽的DNA;将该DNA插入的
重组载体;包含该
重组载体的转化体;使用该聚肽生产糖链或复杂
碳水化合物的方法;使用该转化体生产糖链或复杂
碳水化合物的方法;识别该聚肽的
抗体;筛选改变编码该聚肽的
基因表达的物质的方法;以及筛选改变该聚肽活性的物质的方法。