Involved in DNA mismatch repair (MMR), correcting insertion-deletion loops (IDLs) resulting from DNA replication, DNA damage or from recombination events between non-identical sequences during meiosis. Component of the MutLbeta heterodimer, which probably forms a ternary complex with the MutSbeta heterodimer that initially recognizes the DNA mismatches. This complex is thought to be responsible for directing the downsteam MMR events, including strand discrimination, excision, and resynthesis. Plays a major role in promoting meiotic crossing-over and is involved in maintaining the genetic stability of simple sequence repeats by correction of frameshift intermediates.

Belongs to the DNA mismatch repair MutL/HexB family.

737 amino acids

MIDDSSLTAEMEEEESPATTIVPREPPKIQRLEESVVNRIAAGEVIQRPVSAVKELVENSLDADSSSISVVVKDGGLKLIQVSDDGHGIRREDLPILCERHTTSKLTKFEDLFSLSSMGFRGEALASMTYVAHVTVTTITKGQIHGYRVSYRDGVMEHEPKACAAVKGTQIMVENLFYNMIARRKTLQNSADDYGKIVDLLSRMAIHYNNVSFSCRKHGAVKADVHSVVSPSRLDSIRSVYGVSVAKNLMKVEVSSCDSSGCTFDMEGFISNSNYVAKKTILVLFINDRLVECSALKRAIEIVYAATLPKASKPFVYMSINLPREHVDINIHPTKKEVSLLNQEIIIEMIQSEVEVKLRNANDTRTFQEQKVEYIQSTLTSQKSDSPVSQKPSGQKTQKVPVNKMVRTDSSDPAGRLHAFLQPKPQSLPDKVSSLSVVRSSVRQRRNPKETADLSSVQELIAGVDSCCHPGMLETVRNCTYVGMADDVFALVQYNTHLYLANVVNLSKELMYQQTLRRFAHFNAIQLSDPAPLSELILLALKEEDLDPGNDTKDDLKERIAEMNTELLKEKAEMLEEYFSVHIDSSANLSRLPVILDQYTPDMDRVPEFLLCLGNDVEWEDEKSCFQGVSAAIGNFYAMHPPLLPNPSGDGIQFYSKRGESSQEKSDLEGNVDMEDNLDQDLLSDAENAWAQREWSIQHVLFPSMRLFLKPPASMASNGTFVKVASLEKLYKIFERC

82.4 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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