Structure of PDB 3gq3 Chain A Binding Site BS03

Receptor Information
>3gq3 Chain A (length=250) Species: 1422 (Geobacillus stearothermophilus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PELPEVETIRRTLLPLIVGKTIEDVRIFWPNIIRHPRDSEAFAARMIGQT
VRGLERRGKFLKFLLDRDALISHLRMEGRYAVASALEPLEPHTHVVFCFT
DGSELRYRDVRKFGTMHVYAKEEADRRPPLAELGPEPLSPAFSPAVLAER
AVKTKRSVKALLLDCTVVAGFGNIYVDESLFRAGILPGRPAASLSSKEIE
RLHEEMVATIGEAHLYVYGRQGNPCKRCGTPIEKTVVAGRGTHYCPRCQR
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain3gq3 Chain A Residue 300 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3gq3 Encounter and extrusion of an intrahelical lesion by a DNA repair enzyme.
Resolution1.83 Å
Binding residue
(original residue number in PDB)		C249 C252 C269 C272
Binding residue
(residue number reindexed from 1)		C225 C228 C245 C248
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) P2 E3
Catalytic site (residue number reindexed from 1) P1 E2
Enzyme Commision number 3.2.2.23: DNA-formamidopyrimidine glycosylase.
4.2.99.18: DNA-(apurinic or apyrimidinic site) lyase.
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0003677 DNA binding
GO:0003684 damaged DNA binding
GO:0003906 DNA-(apurinic or apyrimidinic site) endonuclease activity
GO:0008270 zinc ion binding
GO:0008534 oxidized purine nucleobase lesion DNA N-glycosylase activity
GO:0016787 hydrolase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0016799 hydrolase activity, hydrolyzing N-glycosyl compounds
GO:0016829 lyase activity
GO:0019104 DNA N-glycosylase activity
GO:0034039 8-oxo-7,8-dihydroguanine DNA N-glycosylase activity
GO:0046872 metal ion binding
GO:0140078 class I DNA-(apurinic or apyrimidinic site) endonuclease activity
Biological Process
GO:0006281 DNA repair
GO:0006284 base-excision repair

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:3gq3, PDBe:3gq3, PDBj:3gq3
PDBsum3gq3
PubMed20010681
UniProtP84131

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