Gene: MSH2 - Homo sapiens
Last modified: Dec 09, 2014. Release 1 • Page created: May 19, 2024
Summary
Gene Symbol | : | MSH2 | ||||||||||||
NCBI Gene ID | : | 4436 | ||||||||||||
Species | : | Homo sapiens | ||||||||||||
Gene Synonyms | : | COCA1 | DNA mismatch repair protein Msh2 | FCC1 | hMSH2 | HNPCC | HNPCC1 | LCFS2 | MSH2 | mutS (E. coli) homolog 2 (colon cancer, nonpolyposis type 1) | mutS homolog 2, colon cancer, nonpolyposis type 1 (E. coli) | MutS, E. COLI, HOMOLOG OF, 2 Source: GPSDB |
||||||||||||
Gene Homologs | : | AgaP_AGAP010282 (Anopheles gambiae) | AGOS_AFR603C (Eremothecium gossypii) | KLLA0F02706g (Kluyveromyces lactis) | MGG_00879 (Magnaporthe oryzae) | MSH2 (Arabidopsis thaliana) | MSH2 (Bos taurus) | MSH2 (Canis lupus familiaris) | msh2 (Danio rerio) | MSH2 (Gallus gallus) | MSH2 (Homo sapiens) | Msh2 (Mus musculus) | Msh2 (Rattus norvegicus) | MSH2 (Saccharomyces cerevisiae) | msh2 (Schizosaccharomyces pombe) | NCU02230 (Neurospora crassa) | spel1 (Drosophila melanogaster) | ||||||||||||
Ageing Relevance Analysis | : |
|
||||||||||||
Ageing Factor Stable ID | : | AF_008048 | ||||||||||||
Download | : | XML |
Protein Information
Protein Name | Species | UniProt Accession Number | UniProt Entry Name | Protein Function | Sequence |
---|---|---|---|---|---|
DNA mismatch repair protein Msh2 | Homo sapiens | B4E2Z2 (UniProtKB/TrEMBL) | B4E2Z2_HUMAN (UniProtKB/TrEMBL) | View | |
DNA mismatch repair protein Msh2 | Homo sapiens | P43246 (UniProtKB/Swiss-Prot) | MSH2_HUMAN (UniProtKB/Swiss-Prot) | Component of the post-replicative DNA mismatch repair system (MMR). Forms two different heterodimers: MutS alpha (MSH2-MSH6 heterodimer) and MutS beta (MSH2-MSH3 heterodimer) which binds to DNA mismatches thereby initiating DNA repair. When bound, heterodimers bend the DNA helix and shields approximately 20 base pairs. MutS alpha recognizes single base mismatches and dinucleotide insertion-deletion loops (IDL) in the DNA. MutS beta recognizes larger insertion-deletion loops up to 13 nucleotides long. After mismatch binding, MutS alpha or beta forms a ternary complex with the MutL alpha heterodimer, which is thought to be responsible for directing the downstream MMR events, including strand discrimination, excision, and resynthesis. ATP binding and hydrolysis play a pivotal role in mismatch repair functions. The ATPase activity associated with MutS alpha regulates binding similar to a molecular switch: mismatched DNA provokes ADP-->ATP exchange, resulting in a discernible conformational transition that converts MutS alpha into a sliding clamp capable of hydrolysis-independent diffusion along the DNA backbone. This transition is crucial for mismatch repair. MutS alpha may also play a role in DNA homologous recombination repair. In melanocytes may modulate both UV-B-induced cell cycle regulation and apoptosis. | View |
Observations
Ageing Phenotype
Data Type 1
no ageing phenotype observation—data type 1 available
Data Type 2
no ageing phenotype observation—data type 2 available
Homology Analysis
Ageing Relevance:
- yes (Exp. Analysis)
- yes, but no ageing factor assigned (Exp. Analysis)
- no (Exp. Analysis)
- putative (Comp. Analysis)
Legend:
- #EGHG:
- Number of Experimentally Confirmed Ageing-related Genes In Homology Group
# | Observation Stable ID | Homology Group Genes | #EGHG | Description | Source | Homology Source |
---|---|---|---|---|---|---|
1 | OB_008166 | 2 | The HomoloGene homology group 210 contains 2 genes with experimental evidence for ageing relevance (MSH2 - Saccharomyces cerevisiae | Msh2 - Mus musculus) and 14 other genes. | AgeFactDB Homology Analysis | HomoloGene homology group 210 |
Sequences
B4E2Z2_HUMAN | B4E2Z2 | DNA mismatch repair protein Msh2 (Homo sapiens) from UniProtKB/TrEMBL Length: 868 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 360 370 380 390 400 410 420 430 440 450 460 470 480 490 500 510 520 530 540 550 560 570 580 590 600 610 620 630 640 650 660 670 680 690 700 710 720 730 740 750 760 770 780 790 800 810 820 830 840 850 860 B4E2Z2_HUMAN 1 MGPAGAKNLQSVVLSKMNFESFVKDLLLVRQYRVEVYKNRAGNKASKENDWYLAYKASPGNLSQFEDILFGNNDMSASIGVVGVKMSAVDGQRQVGVGYVDSIQRKLGLCEFPDNDQFSNLEALLIQIGPKECVLPGGETAGDMGKLRQIIQRGGILITERKKADFSTKDIYQDLNRLLKGKKGEQMNSAVLPEMENQVAVSSLSAVIKFLELLSDDSNFGQFELTTFDFSQYMKLDIAAVRALNLFQGSVEDTTGSQSLAALLNKCKTPQGQRLVNQWIKQPLMDKNRIEERLNLVEAFVEDAELRQTLQEDLLRRFPDLNRLAKKFQRQAANLQDCYRLYQGINQLPNVIQALEKHEGKHQKLLLAVFVTPLTDLRSDFSKFQEMIETTLDMDQVENHEFLVKPSFDPNLSELREIMNDLEKKMQSTLISAARDLGLDPGKQIKLDSSAQFGYYFRVTCKEEKVLRNNKNFSTVDIQKNGVKFTNSKLTSLNEEYTKNKTEYEEAQDAIVKEIVNISSGYVEPMQTLNDVLAQLDAVVSFAHVSNGAPVPYVRPAILEKGQGRIILKASRHACVEVQDEIAFIPNDVYFEKDKQMFHIITGPNMGGKSTYIRQTGVIVLMAQIGCFVPCESAEVSIVDCILARVGAGDSQLKGVSTFMAEMLETASILRSATKDSLIIIDELGRGTSTYDGFGLAWAISEYIATKIGAFCMFATHFHELTALANQIPTVNNLHVTALTTEETLTMLYQVKKGVCDQSFGIHVAELANFPKHVIECAKQKALELEEFQYIGESQGYDIMEPAAKKCYLEREQGEKIIQEFLSKVKQMPFTEMSEENITIKLKQLKAEVIAKNNSFVNEIISRIKVTT 868
MSH2_HUMAN | P43246 | DNA mismatch repair protein Msh2 (Homo sapiens) from UniProtKB/Swiss-Prot Length: 934 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 360 370 380 390 400 410 420 430 440 450 460 470 480 490 500 510 520 530 540 550 560 570 580 590 600 610 620 630 640 650 660 670 680 690 700 710 720 730 740 750 760 770 780 790 800 810 820 830 840 850 860 870 880 890 900 910 920 930 MSH2_HUMAN 1 MAVQPKETLQLESAAEVGFVRFFQGMPEKPTTTVRLFDRGDFYTAHGEDALLAAREVFKTQGVIKYMGPAGAKNLQSVVLSKMNFESFVKDLLLVRQYRVEVYKNRAGNKASKENDWYLAYKASPGNLSQFEDILFGNNDMSASIGVVGVKMSAVDGQRQVGVGYVDSIQRKLGLCEFPDNDQFSNLEALLIQIGPKECVLPGGETAGDMGKLRQIIQRGGILITERKKADFSTKDIYQDLNRLLKGKKGEQMNSAVLPEMENQVAVSSLSAVIKFLELLSDDSNFGQFELTTFDFSQYMKLDIAAVRALNLFQGSVEDTTGSQSLAALLNKCKTPQGQRLVNQWIKQPLMDKNRIEERLNLVEAFVEDAELRQTLQEDLLRRFPDLNRLAKKFQRQAANLQDCYRLYQGINQLPNVIQALEKHEGKHQKLLLAVFVTPLTDLRSDFSKFQEMIETTLDMDQVENHEFLVKPSFDPNLSELREIMNDLEKKMQSTLISAARDLGLDPGKQIKLDSSAQFGYYFRVTCKEEKVLRNNKNFSTVDIQKNGVKFTNSKLTSLNEEYTKNKTEYEEAQDAIVKEIVNISSGYVEPMQTLNDVLAQLDAVVSFAHVSNGAPVPYVRPAILEKGQGRIILKASRHACVEVQDEIAFIPNDVYFEKDKQMFHIITGPNMGGKSTYIRQTGVIVLMAQIGCFVPCESAEVSIVDCILARVGAGDSQLKGVSTFMAEMLETASILRSATKDSLIIIDELGRGTSTYDGFGLAWAISEYIATKIGAFCMFATHFHELTALANQIPTVNNLHVTALTTEETLTMLYQVKKGVCDQSFGIHVAELANFPKHVIECAKQKALELEEFQYIGESQGYDIMEPAAKKCYLEREQGEKIIQEFLSKVKQMPFTEMSEENITIKLKQLKAEVIAKNNSFVNEIISRIKVTT 934
References
no reference information available
Sources
Ageing-related Data Sources
- AgeFactDB Homology Analysis
Additional Data Sources
- AgeFactDB Pipeline
- GPSDB
- HomoloGene
- UniProtKB/Swiss-Prot
- UniProtKB/TrEMBL