The mutator form of polymerase beta with amino acid substitution at tyrosine 265 in the hinge region displays an increase in both base substitution and frame shift errors.

Abstract excerpt

This study describes the first complete in vitro error specificity analysis of a mutator DNA polymerase that is altered in a residue not predicted to contact either the DNA or dNTP substrate. We examined this mutator form of polymerase beta (Y265C) in order to elucidate the critical role tyrosine...

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• Molecular Sequence Data
• Phenotype
• Base Sequence
• DNA
• Rats
• Binding Sites