... BiolChem 2 73, 32 055 32 062.19 Gradia S, Acharya S & Fishel R (2000) The role of mis-matched nucleotides in activating the hMSH2-hMSH6molecular switch. J Biol Chem 275, 39 22 39 30.20 Schofield ... Biol Chem276, 33 233 33 240.24 Joshi A & Rao BJ (2002) ATP hydrolysis inducesexpansion of MutS contacts on heteroduplex: a case forMutS treadmilling? Biochemistry 41, 36 54 36 66.25 Smith ... Biochem 65, 101– 133 .2 Harfe BD & Jinks-Robertson S (2000) DNA mismatchrepair and genetic instability. Annu Rev Genet 34 , 35 9 39 9. 3 Minnick DT & Kunkel TA (1996) DNA synthesis error,mutator...