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CATH Classification

Domain Context

CATH Clusters

Superfamily Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
Functional Family Methylated-DNA--protein-cysteine methyltransferase family protein

Enzyme Information

2.1.1.63
Methylated-DNA--[protein]-cysteine S-methyltransferase.
based on mapping to UniProt P16455
DNA (containing 6-O-methylguanine) + protein L-cysteine = DNA (without 6-O-methylguanine) + protein S-methyl-L-cysteine.
-!- This protein is involved in the repair of alkylated DNA. -!- It acts only on the alkylated DNA (cf. EC 3.2.2.20 and EC 3.2.2.21). -!- This enzyme catalyzes only one turnover and therefore is not strictly catalytic.

UniProtKB Entries (1)

P16455
MGMT_HUMAN
Homo sapiens
Methylated-DNA--protein-cysteine methyltransferase

PDB Structure

PDB 1EH6
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Active and alkylated human AGT structures: a novel zinc site, inhibitor and extrahelical base binding.
Daniels, D.S., Mol, C.D., Arvai, A.S., Kanugula, S., Pegg, A.E., Tainer, J.A.
EMBO J.
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