Separation of two forms of HeLa DNA polymerase alpha with different binding affinity to DNA.

Gann (1978), Volume 69, Page 207


Two forms of DNA polymerase alpha were separated from HeLa cells by DEAE-cellulose column chromatography and affinity chromatography using a DNA-cellulose column. They were eluted from a DEAE-cellulose column at 0.22M KCl (P-I) and 0.24M KCl (P-II). Upon cell fractionation between cytosol and nuclei, P-I was recovered from nuclei and P-II from cytosol. P-I was found to have a higher binding affinity to DNA than P-II by DNA-cellulose column chromatography.




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