二十面体噬菌体ΦX174 的复制型(RF) 是一个5,386 碱基的双链环状DNA 分子。用凝胶分析核酸时,限制性酶消化的ΦX174 DNA 可以用作分子量大小的标记。ΦX174 DNA 经常用于检测存在缺口酶活性的限制性酶。
原厂资料:
The icosahedral bacteriophage ΦX174 replicative form (RF) is a double-stranded circular DNA molecule of 5,386 bases. Restriction enzyme-digested ΦX174 DNA generates molecular weight size markers used in gel analysis of nucleic acids. ΦX174 DNA is often used in the assays of restriction enzymes for the presence of nickase activity.
References
Sanger, F. et al. (1978) J. Mol. Biol. 125, 225–46.