The extraction, purification and activity measurement of deoxycytidylate hydroxy-methylase, the protein product of gene 42 of baeteriophage T4 in clone CC-20, were reported in this paper.

• 本文报道了T4噬菌体基因42的无性繁殖菌株CC-20蛋白质产物(脱氧胞苷酸羟甲基化酶)的提纯和活性测定。