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An abbreviated procedure has been developed for the purification of restriction endonucleases. This procedure uses chromatography on phosphocellulose and hydroxylapatite and results in enzymes of sufficient purity to permit their use in the sequencing, molecular cloning, and physical mapping of DNA.
已开发出一种简化的限制性内切酶纯化方法。该方法采用磷酸纤维素和羟基磷灰石层析,得到的酶纯度足以用于DNA测序、分子克隆和物理图谱绘制。