| pubmed-article:1420169 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:1420169 | lifeskim:mentions | umls-concept:C0033684 | lld:lifeskim |
| pubmed-article:1420169 | lifeskim:mentions | umls-concept:C0026882 | lld:lifeskim |
| pubmed-article:1420169 | lifeskim:mentions | umls-concept:C0728938 | lld:lifeskim |
| pubmed-article:1420169 | lifeskim:mentions | umls-concept:C0871161 | lld:lifeskim |
| pubmed-article:1420169 | lifeskim:mentions | umls-concept:C2003905 | lld:lifeskim |
| pubmed-article:1420169 | pubmed:issue | 43 | lld:pubmed |
| pubmed-article:1420169 | pubmed:dateCreated | 1992-12-7 | lld:pubmed |
| pubmed-article:1420169 | pubmed:abstractText | The RecA803 protein suppresses the recombinational repair defect of recF mutations and displays enhanced joint molecule formation in vitro (Madiraju et al., 1988). To understand the physical basis for these phenomena, the biochemical properties of RecA803 protein were compared with those of the wild-type protein. The RecA803 protein shows greater DNA-dependent ATPase activity than the wild-type protein with either M13 single-stranded (ss) DNA, which contains secondary structure, or double-stranded DNA. This increased activity reflects an enhanced ability of the mutant protein to form active complexes with these DNA molecules rather than an enhanced catalytic turnover activity, because identical kcat values for ATP hydrolysis are obtained when DNA substrates lacking secondary structure are examined. In addition, the ssDNA-dependent ATPase activity of RecA803 protein displays greater resistance to inhibition by SSB (single-stranded DNA binding) protein. These properties of the RecA803 protein are not due to either an increased binding affinity for ssDNA or an increased kinetic lifetime of RecA803 protein-ssDNA complexes, demonstrating that altered protein-DNA stability is not the basis for the enhanced properties of RecA803 protein. However, the nucleation-limited rate of association with ssDNA is more rapid for the RecA803 protein than for wild-type RecA protein. Consequently, we suggest that altered protein-protein interactions may account for the differences between these two proteins. The implications of these results with regard to the partial suppression of recF mutations by recA803 are discussed (Madiraju et al., 1988). | lld:pubmed |
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| pubmed-article:1420169 | pubmed:language | eng | lld:pubmed |
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| pubmed-article:1420169 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:1420169 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:1420169 | pubmed:month | Nov | lld:pubmed |
| pubmed-article:1420169 | pubmed:issn | 0006-2960 | lld:pubmed |
| pubmed-article:1420169 | pubmed:author | pubmed-author:ClarkA JAJ | lld:pubmed |
| pubmed-article:1420169 | pubmed:author | pubmed-author:Kowalczykowsk... | lld:pubmed |
| pubmed-article:1420169 | pubmed:author | pubmed-author:LaveryP EPE | lld:pubmed |
| pubmed-article:1420169 | pubmed:author | pubmed-author:MadirajuM VMV | lld:pubmed |
| pubmed-article:1420169 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:1420169 | pubmed:day | 3 | lld:pubmed |
| pubmed-article:1420169 | pubmed:volume | 31 | lld:pubmed |
| pubmed-article:1420169 | pubmed:geneSymbol | recA | lld:pubmed |
| pubmed-article:1420169 | pubmed:geneSymbol | recF | lld:pubmed |
| pubmed-article:1420169 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:1420169 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:1420169 | pubmed:pagination | 10529-35 | lld:pubmed |
| pubmed-article:1420169 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
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| pubmed-article:1420169 | pubmed:meshHeading | pubmed-meshheading:1420169-... | lld:pubmed |
| pubmed-article:1420169 | pubmed:year | 1992 | lld:pubmed |
| pubmed-article:1420169 | pubmed:articleTitle | Enzymatic properties of the RecA803 protein, a partial suppressor of recF mutations. | lld:pubmed |
| pubmed-article:1420169 | pubmed:affiliation | Department of Molecular and Cell Biology, University of California, Berkeley 94720. | lld:pubmed |
| pubmed-article:1420169 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:1420169 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:1420169 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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