Open AccessInvolvement of escherichia coli dnaZ gene product in DNA elongation in vitro.
Author(s) -
Sue Wickner,
J Hurwitz
Publication year - 1976
Publication title -
proceedings of the national academy of sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.011
H-Index - 771
eISSN - 1091-6490
pISSN - 0027-8424
DOI - 10.1073/pnas.73.4.1053
Subject(s) - dna clamp , dna polymerase ii , dna polymerase , dna , microbiology and biotechnology , primase , dna polymerase i , biology , escherichia coli , polymerase , gene , biochemistry , rna , reverse transcriptase
E. coli dnaZ gene product is required for conversion of phiX174, fd, and ST-1 single-stranded phage DNAs to duplex DNAs in vitro. This protein has been purified about 5000-fold. It functions in the elongation of RNA- or DNA-primed single-stranded DNA that is catalyzed by DNA polymerase III(DNA nucleotidyltransferase; deoxynucleosidetriphosphate: DNA deoxynucleotidyltransferase; EC 2.7.7.7) in conjunctions with two other E. coli protein preparations referred to as DNA elongation factors I and III. It also functions in similar reactions catalyzed by DNA polymerase II in combination with E. coli DNA binding protein and DNA elongation factors I and III.
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