MSH3
Summary: The protein encoded by this gene forms a heterodimer with MSH2 to form MutS beta, part of the post-replicative DNA mismatch repair system. MutS beta initiates mismatch repair by binding to a mismatch and then forming a complex with MutL alpha heterodimer. This gene contains a polymorphic 9 bp tandem repeat sequence in the first exon. The repeat is present 6 times in the reference genome sequence and 3-7 repeats have been reported. Defects in this gene are a cause of susceptibility to endometrial cancer. [provided by RefSeq, Mar 2011].
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Name | OMIM ID | Ensembl ID | HGNC ID | PHARMGKB ID | Map Location |
---|---|---|---|---|---|
NamemutS homolog 3 OMIM IDMIM:600887 Ensembl IDEnsembl:ENSG00000113318 HGNC IDHGNC:HGNC:7326 PHARMGKB IDPA31134 Map Location5q14.1 |
Gene Categories:
DNA REPAIRGO terms in MSH3
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Term Type | Evidence Type | GO Term ID | GO Des. |
---|---|---|---|
CC | TAS | GO:0005654 | nucleoplasm |
CC | HDA | GO:0016020 | membrane |
CC | IBA | GO:0032300 | mismatch repair complex |
CC | IBA | GO:0032302 | MutSbeta complex |
CC | IDA | GO:0032302 | MutSbeta complex |
BP | IBA | GO:0000710 | meiotic mismatch repair |
Gene expression in normal tissue: MSH3
Gene-model tissue-cancer distribution: Bubble Plot
Gene-drug pathway distribution
Pathways in MSH3
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Database | Pathway ID | Pathway Des. |
---|---|---|
kegg | hsa03430 | Mismatch repair - Homo sapiens (human) |
kegg | hsa05200 | Pathways in cancer - Homo sapiens (human) |
kegg | hsa05210 | Colorectal cancer - Homo sapiens (human) |
wikipathways | WP4216 | Chromosomal and microsatellite instability in colorectal cancer |
reactome | R-HSA-1643685 | Disease |
reactome | R-HSA-5358508 | Mismatch Repair |
Gene-Drug: Aster Plot
Gene in drug-gene network: Network Plot

Gene-drug targets distribution
Gene Structure: PDB
Models in MSH3
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Model | Level | Reference ID | Tissue | Cancer | Drug | Clinical Response | Source | |
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No matching records found |