β-D-galactosidase相关论文
Galacto-oligosaccharides (GOS),the beta-linked carbohydrate compounds containing galactose and glucose,are prebiotic......
利用人工合成的寡核苷酸探针,将编码大肠杆菌β-D-半乳糖苷酶(EC3.2、1.23)的LacZ基因中537位Glu密码子GAA分别为GAC(Asp),CAA(Gln),GTC(Val)来代替,替代后的突变酶的催化活性显著降低,同天然......