Notes 11-4-09 Part 2
B) Mismatch-repair system
mismatched bases identified by proofreading enzymes;
methylated side is identified
endo nuclease cuts single non-methylated dna strands
degrades stretch between cuts
dna polymerase synthesizes new matching strand
gets rid of tension causing kink
page revision: 1, last edited: 17 Nov 2009 04:06