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1EH8

BENZYLATED HUMAN O6-ALKYLGUANINE-DNA ALKYLTRANSFERASE

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003824molecular_functioncatalytic activity
A0003908molecular_functionmethylated-DNA-[protein]-cysteine S-methyltransferase activity
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0006281biological_processDNA repair
A0006974biological_processDNA damage response
A0008168molecular_functionmethyltransferase activity
A0009008molecular_functionDNA-methyltransferase activity
A0016020cellular_componentmembrane
A0016740molecular_functiontransferase activity
A0032259biological_processmethylation
A0043066biological_processnegative regulation of apoptotic process
A0046872molecular_functionmetal ion binding
A2000781biological_processpositive regulation of double-strand break repair
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 208
ChainResidue
ACYS5
ACYS24
AHIS29
AHIS85

site_idACT
Number of Residues1
DetailsACTIVE SITE CYSTEINE, BENZYLATED
ChainResidue
ABCS145

Functional Information from PROSITE/UniProt
site_idPS00374
Number of Residues7
DetailsMGMT Methylated-DNA--protein-cysteine methyltransferase active site. IPCHRVV
ChainResidueDetails
AILE143-VAL149

site_idPS00639
Number of Residues11
DetailsTHIOL_PROTEASE_HIS Eukaryotic thiol (cysteine) proteases histidine active site. GLHEIKLLGKG
ChainResidueDetails
AGLY27-GLY37

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Nucleophile; methyl group acceptor"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"10747039","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15964013","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1eh6
ChainResidueDetails
AGLU172
AASN137
AHIS146

site_idMCSA1
Number of Residues5
DetailsM-CSA 251
ChainResidueDetails
ATYR114hydrogen bond donor, proton donor
AASN137electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor
AARG147hydrogen bond donor, nucleophile, proton donor
ACYS150hydrogen bond acceptor, hydrogen bond donor, proton acceptor
ALEU176hydrogen bond acceptor, increase basicity

245663

PDB entries from 2025-12-03

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