Upon activation by the MutS-DNA complex, MutH nicks the daughter strand near the hemimethylated site and recruits a UvrD helicase (DNA Helicase II) to separate the two strands with a specific 3'to 5' polarity.
Upon activation by the MutS-DNA complex, MutH nicks the daughter strand near the hemimethylated site. MutL recruits UvrD helicase (DNA Helicase II) to separate the two strands with a specific 3'to 5' polarity.