Competition between MutY and mismatch repair at A x C mispairs In vivo.

Abstract excerpt

We show that the MutY protein competes with the MutS-dependent mismatch repair system to process at least some A. C mispairs in vivo, converting them to G. C pairs. In the presence of an increased dCTP pool resulting from the loss of nucleotide diphosphate kinase, the frequency of A. T-->G. C tra...

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