Article
Mutations in the MutSalpha interaction interface of MLH1 can abolish DNA mismatch repair.
Nucleic acids research - 1 Jan 2006
Plotz Guido, Welsch Christoph, Giron-Monzon Luis, Friedhoff Peter, Albrecht Mario, Piiper Albrecht, Biondi Ricardo M, Lengauer Thomas, Zeuzem Stefan, Raedle Jochen
Abstract excerpt
MutLalpha, a heterodimer of MLH1 and PMS2, plays a central role in human DNA mismatch repair. It interacts ATP-dependently with the mismatch detector MutSalpha and assembles and controls further repair enzymes. We tested if the interaction of MutLalpha with DNA-bound MutSalpha is impaired by cancer-associated mutations in MLH1, and identified one mutation (Ala128Pro) which abolished interaction as well as...
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