期刊名称:Proceedings of the National Academy of Sciences
印刷版ISSN:0027-8424
电子版ISSN:1091-6490
出版年度:1973
卷号:70
期号:11
页码:3120-3124
DOI:10.1073/pnas.70.11.3120
语种:English
出版社:The National Academy of Sciences of the United States of America
摘要:Formation of duplex DNA from {phi}X174 single-stranded DNA by extracts of E. coli was previously shown to require the gene product of dna B. Using as an assay the stimulation of {phi}X174 DNA-dependent synthesis in inactivated extracts of dna B temperature-sensitive cells, we purified the dna B gene product from wild-type E. coli as well as from a dna B temperature-sensitive mutant. The dna B temperature-sensitive gene product is more thermolabile than its wild-type counterpart.