Structure of PDB 3i3q Chain B

Receptor sequence
>3i3qB (length=203) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
QEPLAAGAVILRRFAFNAAEQLIRDINDVASQSPFRQMVTPGGYTMSVAM
TNCGHLGWTTHRQGYLYSPIDPQTNKPWPAMPQSFHNLCQRAATAAGYPD
FQPDACLINRYAPGAKLSLHQDKDEPDLRAPIVSVSLGLPAIFQFGGLKR
NDPLKRLLLEHGDVVVWGGESRLFYHGIQPLKAGFHPLTIDCRYNLTFRQ
AGK
3D structure
PDB3i3q Enzymological and structural studies of the mechanism of promiscuous substrate recognition by the oxidative DNA repair enzyme AlkB.
ChainB
Resolution1.4 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.14.11.33: DNA oxidative demethylase.
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 AKG B N120 Y122 L128 H131 H187 I189 R204 N206 R210 N109 Y111 L117 H120 H176 I178 R193 N195 R199
BS02 MN B H131 D133 H187 H120 D122 H176
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0008198 ferrous iron binding
GO:0035515 oxidative RNA demethylase activity
GO:0035516 broad specificity oxidative DNA demethylase activity
GO:0046872 metal ion binding
GO:0051213 dioxygenase activity
Biological Process
GO:0006281 DNA repair
GO:0006307 DNA alkylation repair
GO:0035513 oxidative RNA demethylation
GO:0042245 RNA repair
GO:0070989 oxidative demethylation
GO:0072702 response to methyl methanesulfonate
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Cellular Component
External links
PDB RCSB:3i3q, PDBe:3i3q, PDBj:3i3q
PDBsum3i3q
PubMed19706517
UniProtP05050|ALKB_ECOLI Alpha-ketoglutarate-dependent dioxygenase AlkB (Gene Name=alkB)

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