Methylated-DNA--protein-cysteine methyltransferase
同义词
2.1.1.63; 6-O-methylguanine-DNA methyltransferase; MGMT; O-6-methylguanine-DNA-alkyltransferase
氨基酸序列
>lcl|BSEQ0010800|Methylated-DNA--protein-cysteine methyltransferase
MDKDCEMKRTTLDSPLGKLELSGCEQGLHEIKLLGKGTSAADAVEVPAPAAVLGGPEPLM
QCTAWLNAYFHQPEAIEEFPVPALHHPVFQQESFTRQVLWKLLKVVKFGEVISYQQLAAL
AGNPKAARAVGGAMRGNPVPILIPCHRVVCSSGAVGNYSGGLAVKEWLLAHEGHRLGKPG
LGGSSGLAGAWLKGAGATSGSPPAGRN
一般功能
Methyltransferase activity
具体功能
Involved in the cellular defense against the biological effects of O6-methylguanine (O6-MeG) in DNA. Repairs alkylated guanine in DNA by stoichiometrically transferring the alkyl group at the O-6 position to a cysteine residue in the enzyme. This is a suicide reaction: the enzyme is irreversibly inactivated.
基因序列
>lcl|BSEQ0002276|624 bp
ATGGACAAGGATTGTGAAATGAAACGCACCACACTGGACAGCCCTTTGGGGAAGCTGGAG
CTGTCTGGTTGTGAGCAGGGTCTGCACGAAATAAAGCTCCTGGGCAAGGGGACGTCTGCA
GCTGATGCCGTGGAGGTCCCAGCCCCCGCTGCGGTTCTCGGAGGTCCGGAGCCCCTGATG
CAGTGCACAGCCTGGCTGAATGCCTATTTCCACCAGCCCGAGGCTATCGAAGAGTTCCCC
GTGCCGGCACTTCACCATCCCGTTTTCCAGCAAGAGTCGTTCACCAGACAGGTGTTATGG
AAGCTGCTGAAGGTTGTGAAATTCGGAGAAGTGATTTCTTACCAGCAATTAGCAGCCCTG
GCAGGCAACCCCAAAGCCGCGCGAGCAGTGGGAGGAGCAATGAGAGGCAATCCTGTCCCC
ATCCTCATCCCGTGCCACAGAGTGGTCTGCAGCAGCGGAGCCGTGGGCAACTACTCCGGA
GGACTGGCCGTGAAGGAATGGCTTCTGGCCCATGAAGGCCACCGGTTGGGGAAGCCAGGC
TTGGGAGGGAGCTCAGGTCTGGCAGGGGCCTGGCTCAAGGGAGCGGGAGCTACCTCGGGC
TCCCCGCCTGCTGGCCGAAACTGA
Pdb标识
1EH6; 1EH7; 1EH8; 1QNT; 1T38; 1T39; 1YFH