PMID:3014530
| Citation |
Su, SS and Modrich, P (1986) Escherichia coli mutS-encoded protein binds to mismatched DNA base pairs. Proc. Natl. Acad. Sci. U.S.A. 83:5057-61 |
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| Abstract |
The Escherichia coli mutS gene product is involved in mismatch correction in this organism. We have purified a biologically active form of the 97,000 Mr protein to near homogeneity from an overproducing strain. Enzymatic and chemical protection ("footprinting") experiments have demonstrated that mutS-encoded protein specifically binds to DNA regions containing a single base-pair mismatch. The protein displayed variable affinity for the limited set of mismatches tested (G-T greater than G-A approximately equal to A-C greater than T-C). |
| Links | |
| Keywords |
Bacterial Proteins/genetics; Bacterial Proteins/metabolism; Base Composition; DNA Repair; DNA, Bacterial/metabolism; DNA-Binding Proteins/genetics; DNA-Binding Proteins/metabolism; Escherichia coli/genetics; Escherichia coli/metabolism; Nucleic Acid Conformation; Protein Binding; Substrate Specificity |
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