PMID:9736699: Difference between revisions
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!align=left |Citation | |||
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'''Shakibai, N, Ishidate, K, Reshetnyak, E, Gunji, S, Kohiyama, M and Rothfield, L''' (1998) High-affinity binding of hemimethylated oriC by Escherichia coli membranes is mediated by a multiprotein system that includes SeqA and a newly identified factor, SeqB. ''Proc. Natl. Acad. Sci. U.S.A.'' '''95''':11117-21 | |||
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!align=left |Abstract | |||
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The binding of hemimethylated oriC to Escherichia coli membranes has been implicated in the prevention of premature reinitiation at newly replicated chromosomal origins in a reaction that involves the SeqA protein. We describe the resolution of the membrane-associated oriC-binding activity into two fractions, both of which are required for the high-affinity binding of hemimethylated oriC. The active component in one fraction is identified as SeqA. The active component of the second fraction is a previously undescribed protein factor, SeqB. The reconstituted system reproduced the salient characteristics of the membrane-associated binding activity, suggesting that the membrane-associated oriC-binding machinery of E. coli is likely to be a multiprotein system that includes the SeqA and SeqB proteins. | |||
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[http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=9736699 PubMed] [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC21605 PMC21605] | |||
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| | !align=left |Keywords | ||
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|- | Bacterial Outer Membrane Proteins/metabolism; Bacterial Proteins/chemistry; Bacterial Proteins/metabolism; DNA-Binding Proteins/metabolism; Escherichia coli/physiology; Escherichia coli Proteins; Immunoblotting; Membrane Proteins/chemistry; Pronase/metabolism; Protein Binding/physiology; Replication Origin/genetics; Solubility; Thiocyanates/pharmacology; Transcription Factors | ||
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==Significance {{HelpIcon|Help:Literature}} == | ==Significance {{HelpIcon|Help:Literature}} == | ||
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==Annotations {{HelpIcon|Help:Literature}}== | ==Annotations {{HelpIcon|Help:Literature}}== | ||
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==EcoliWiki Links {{HelpIcon|Help:Literature}} == | ==EcoliWiki Links {{HelpIcon|Help:Literature}} == | ||
Latest revision as of 05:05, 15 September 2013
| Citation |
Shakibai, N, Ishidate, K, Reshetnyak, E, Gunji, S, Kohiyama, M and Rothfield, L (1998) High-affinity binding of hemimethylated oriC by Escherichia coli membranes is mediated by a multiprotein system that includes SeqA and a newly identified factor, SeqB. Proc. Natl. Acad. Sci. U.S.A. 95:11117-21 |
|---|---|
| Abstract |
The binding of hemimethylated oriC to Escherichia coli membranes has been implicated in the prevention of premature reinitiation at newly replicated chromosomal origins in a reaction that involves the SeqA protein. We describe the resolution of the membrane-associated oriC-binding activity into two fractions, both of which are required for the high-affinity binding of hemimethylated oriC. The active component in one fraction is identified as SeqA. The active component of the second fraction is a previously undescribed protein factor, SeqB. The reconstituted system reproduced the salient characteristics of the membrane-associated binding activity, suggesting that the membrane-associated oriC-binding machinery of E. coli is likely to be a multiprotein system that includes the SeqA and SeqB proteins. |
| Links | |
| Keywords |
Bacterial Outer Membrane Proteins/metabolism; Bacterial Proteins/chemistry; Bacterial Proteins/metabolism; DNA-Binding Proteins/metabolism; Escherichia coli/physiology; Escherichia coli Proteins; Immunoblotting; Membrane Proteins/chemistry; Pronase/metabolism; Protein Binding/physiology; Replication Origin/genetics; Solubility; Thiocyanates/pharmacology; Transcription Factors |
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