Purification and partial characterization of a DNA polymerase alpha species from calf thymus
- PMID: 7465425
- PMCID: PMC324335
- DOI: 10.1093/nar/8.23.5703
Purification and partial characterization of a DNA polymerase alpha species from calf thymus
Abstract
We have purified a DNA polymerase alpha 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.
Similar articles
-
Purification of a 9S DNA polymerase alpha species from calf thymus.Biochemistry. 1981 Sep 15;20(19):5470-5. doi: 10.1021/bi00522a019. Biochemistry. 1981. PMID: 7295686
-
Studies on the purification and properties of a 6.8-S DNA polymerase activity found in calf-thymus DNA polymerase-alpha fraction.Eur J Biochem. 1978 Mar;84(1):123-31. doi: 10.1111/j.1432-1033.1978.tb12148.x. Eur J Biochem. 1978. PMID: 25765
-
10 S DNA polymerase alpha of calf thymus shows a microheterogeneity in its large polypeptide component.J Biol Chem. 1982 Jun 25;257(12):7172-7. J Biol Chem. 1982. PMID: 7085621
-
The heterogeneity of deoxyribonucleic acid polymerase-alpha.Biochem Soc Symp. 1977;(42):17-36. Biochem Soc Symp. 1977. PMID: 339918 Review. No abstract available.
-
Mammalian DNA polymerase alpha: a replication-competent holoenzyme form from calf thymus.Philos Trans R Soc Lond B Biol Sci. 1987 Dec 15;317(1187):421-8. doi: 10.1098/rstb.1987.0069. Philos Trans R Soc Lond B Biol Sci. 1987. PMID: 2894679 Review.
Cited by
-
A mammalian DNA polymerase alpha holoenzyme functioning on defined in vivo-like templates.EMBO J. 1982;1(12):1513-9. doi: 10.1002/j.1460-2075.1982.tb01348.x. EMBO J. 1982. PMID: 6765199 Free PMC article.
-
Cell-cycle dependence and properties of the HeLa cell DNA polymerase system.Proc Natl Acad Sci U S A. 1985 Apr;82(8):2220-4. doi: 10.1073/pnas.82.8.2220. Proc Natl Acad Sci U S A. 1985. PMID: 3857575 Free PMC article.
-
The mammalian primase is part of a high molecular weight DNA polymerase alpha polypeptide.EMBO J. 1983;2(1):133-6. doi: 10.1002/j.1460-2075.1983.tb01394.x. EMBO J. 1983. PMID: 11894900 Free PMC article.
-
Isolation of an intact DNA polymerase-primase from embryos of Drosophila melanogaster.Proc Natl Acad Sci U S A. 1983 Apr;80(8):2221-5. doi: 10.1073/pnas.80.8.2221. Proc Natl Acad Sci U S A. 1983. PMID: 6403945 Free PMC article.
-
Exonucleolytic proofreading increases the accuracy of DNA synthesis by human lymphocyte DNA polymerase alpha-DNA primase.EMBO J. 1989 Jun;8(6):1833-9. doi: 10.1002/j.1460-2075.1989.tb03578.x. EMBO J. 1989. PMID: 2527747 Free PMC article.
References
Publication types
MeSH terms
Substances
LinkOut - more resources
Full Text Sources