Structure of PDB 3cwu Chain B

Receptor sequence
>3cwuB (length=282) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
MYTLNWQPPYDWSWMLGFLAARAVSSVETVADSYYARSLAVGEYRGVVTA
IPDIARHTLHINLSAGLEPVAAECLAKMSRLFDLQCNPQIVNGALGRLGA
ARPGLRLPGCVDAFEQGVRAILGQLVSVAMAAKLTARVAQLYGERLDDFP
EYICFPTPQRLAAADPQALKALGMPLKRAEALIHLANAALEGTLPMTIPG
DVEQAMKTLQTFPGIGRWTANYFALRGWQAKDVFLPDDYLIKQRFPGMTP
AQIRRYAERWKPWRSYALLHIWYTEGWQPDEA
3D structure
PDB3cwu Structure of the E. coli DNA Glycosylase AlkA Bound to the Ends of Duplex DNA: A System for the Structure Determination of Lesion-Containing DNA.
ChainB
Resolution2.8 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) W218 Y222 D238
Catalytic site (residue number reindexed from 1) W218 Y222 D238
Enzyme Commision number 3.2.2.21: DNA-3-methyladenine glycosylase II.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 dna B T249 A251 T249 A251
BS02 dna B L125 P213 G214 I215 G216 W218 T219 L125 P213 G214 I215 G216 W218 T219
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0003905 alkylbase DNA N-glycosylase activity
GO:0005515 protein binding
GO:0008725 DNA-3-methyladenine glycosylase activity
GO:0016787 hydrolase activity
GO:0032131 alkylated DNA binding
GO:0043916 DNA-7-methylguanine glycosylase activity
GO:0052821 DNA-7-methyladenine glycosylase activity
GO:0052822 DNA-3-methylguanine glycosylase activity
Biological Process
GO:0006281 DNA repair
GO:0006284 base-excision repair
GO:0006285 base-excision repair, AP site formation
GO:0006307 DNA alkylation repair
GO:0006950 response to stress
GO:0006974 DNA damage response
Cellular Component
GO:0005737 cytoplasm
GO:0032993 protein-DNA complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:3cwu, PDBe:3cwu, PDBj:3cwu
PDBsum3cwu
PubMed18682218
UniProtP04395|3MG2_ECOLI DNA-3-methyladenine glycosylase 2 (Gene Name=alkA)

[Back to BioLiP]