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EC 2.1.1.63 Details
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EC number
2.1.1.63
Accepted name
methylated-DNA—[protein]-cysteine S-methyltransferase
Reaction
(1) DNA (containing 6-O-methylguanine) + protein L-cysteine = DNA (without 6-O-methylguanine) + protein S-methyl-L-cysteine;;(2) DNA (containing 4-O-methylthymine) + protein L-cysteine = DNA (without 4-O-methylthymine) + protein S-methyl-L-cysteine
Other name(s)
ada (gene name), ogt (gene name), MGT1 (gene name), MGMT (gene name)
Systematic name
DNA-6-O-methylguanine/DNA-4-O-methylthymine:[protein]-L-cysteine S-methyltransferase
CAS registry number
77271-19-3
Comment
This protein is involved in the repair of methylated DNA. Unlike EC 3.2.2.20, DNA-3-methyladenine glycosidase I and EC 3.2.2.21, DNA-3-methyladenine glycosidase II, which remove the methylated base leaving an apurinic/apyrimidinic site, this enzyme transfers the methyl group from the methylated DNA to an internal cysteine residue, leaving an intact nucleotide. Since the methyl transfer is irreversible, the enzyme can only catalyse a single turnover.
History
created 1982, modified 1983, modified 1999, modified 2003, modified 2017
EC Browser
1 Oxidoreductases (9634 organisms) download 2925940 sequences with EC number 1 in fasta format download 2925940 sequences with EC number 1 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version Download 2822 PDB numbers (EC 1) as tabstop separated file
2 Transferases (6601 organisms) download 4558689 sequences with EC number 2 in fasta format download 4558689 sequences with EC number 2 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version Download 2822 PDB numbers (EC 2) as tabstop separated file
2.1.1 Methyltransferases (1127 organisms) download 551858 sequences with EC number 2.1.1 in fasta format download 551858 sequences with EC number 2.1.1 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version Download 2822 PDB numbers (EC 2.1.1) as tabstop separated file
2.1.1.23 created 1972, modified 1976, modified 1983, deleted 1999 show the reaction
2.1.1.24 created 1972, modified 1983, modified 1989, deleted 1992 show the reaction download 1 sequences with EC number 2.1.1.24 in fasta format download 1 sequences with EC number 2.1.1.24 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version
2.1.1.30 created 1972, deleted 1981 show the reaction
2.1.1.58 created 1981, deleted 1984 show the reaction
2.1.1.73 created 1984, deleted 2003 show the reaction
2.1.1.81 created 1989, deleted 1990 show the reaction
2.1.1.134 created 1999, deleted 2002 show the reaction
2.1.1.135 created 1999, deleted 2003 show the reaction
2.1.1.138 created 2000, deleted 2003 show the reaction
2.3 Acyltransferases (1670 organisms) download 563934 sequences with EC number 2.3 in fasta format download 563934 sequences with EC number 2.3 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version Download 2822 PDB numbers (EC 2.3) as tabstop separated file
2.4 Glycosyltransferases (1877 organisms) download 467031 sequences with EC number 2.4 in fasta format download 467031 sequences with EC number 2.4 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version Download 2822 PDB numbers (EC 2.4) as tabstop separated file
3 Hydrolases (9513 organisms) download 2408489 sequences with EC number 3 in fasta format download 2408489 sequences with EC number 3 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version Download 2822 PDB numbers (EC 3) as tabstop separated file
4 Lyases (5106 organisms) download 1406112 sequences with EC number 4 in fasta format download 1406112 sequences with EC number 4 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version Download 2822 PDB numbers (EC 4) as tabstop separated file
5 Isomerases (2066 organisms) download 874027 sequences with EC number 5 in fasta format download 874027 sequences with EC number 5 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version Download 2822 PDB numbers (EC 5) as tabstop separated file
6 Ligases (1540 organisms) download 1326407 sequences with EC number 6 in fasta format download 1326407 sequences with EC number 6 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version Download 2822 PDB numbers (EC 6) as tabstop separated file
7 Translocases (833 organisms) download 459397 sequences with EC number 7 in fasta format download 459397 sequences with EC number 7 as tabstop The data in BRENDA allow the calculation or simulation of metabolic pathways by extracting the information of substrate/product chains and the corresponding kinetic data of the preceding and following enzymes in the Boehringer and KEGG metabolism (with the risk of including ?pathways? with non-natural compounds). version Download 2822 PDB numbers (EC 7) as tabstop separated file