Nucleic Acids Research, 1980, Vol. 8, No. 23 5703-5714
© 1980
ENZYMOLOGY |
Purification and partial characterization of a DNA polymerase
species from calf thymus
Abteilung Biophysikalische Chemie, Zentrum Biochemie, Medizinische Hochschule Hannover GFR
Received August 11, 1980.
We have purified a DNA polymerase
species from calf thymus to near homogeneity. The enzyme sediments at 5.7 S and contains two polypeptides of 123000 and 134000 daltons in about equimolar ratio. The enzyme is inhibited by aphidicolin and N-ethylmaleimide, and retains its activity in buffers containing moderate salt conditions. Activated DNA is a better substrate than poly(dA)·(dt) 10.