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© Research
Publication : European journal of biochemistry / FEBS

Localization of the binding sites of prokaryotic and eukaryotic RNA polymerases on simian virus 40 DNA

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in European journal of biochemistry / FEBS - 01 May 1980

Saragosti S, Croissant O, Yaniv M

Link to Pubmed [PMID] – 6280998

Eur. J. Biochem. 1980 May;106(1):25-31

The binding sites of calf thymus RNA polymerase (B) II, wheat germ RNA polymerase B and of the Escherichia coli RNA polymerase were mapped on the simian virus 40 genome by observation of enzyme-linear DNA complexes by electron microscopy. Three to four major sites and several minor sites are observed for each enzyme; common binding sites for the three enzymes are found in positions 0.17, 0.53 and 0.90 of the viral physical map. Initiation complexes with these enzymes can be stabilized with specific ribodinucleotides and a single ribonucleoside triphosphate. Whereas ApA and ATP greatly enhances the binding of the E. coli enzyme at position 0.17, they stabilize the binding of the eukaryotic enzyme at many sites, some of them located in close proximity of the origin of replication.

http://www.ncbi.nlm.nih.gov/pubmed/6280998