Structure of PDB 1xik Chain B Binding Site BS02

Receptor Information
>1xik Chain B (length=341) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AYTTFSQTKNDQLKEPMFFGQPVNVARYDQQKYDIFEKLIEKQLSFFWRP
EEVDVSRDRIDYQALPEHEKHIFISNLKYQTLLDSIQGRSPNVALLPLIS
IPELETWVETWAFSETIHSRSYTHIIRNIVNDPSVVFDDIVTNEQIQKRA
EGISSYYDELIEMTSYWHLLGEGTHTVNGKTVTVSLRELKKKLYLCLMSV
NALEAIRFYVSFACSFAFAERELMEGNAKIIRLIARDEALHLTGTQHMLN
LLRSGADDPEMAEIAEECKQECYDLFVQAAQQEKDWADYLFRDGSMIGLN
KDILCQYVEYITNIRMQAVGLDLPFQTRSNPIPWINTWLVS
Ligand information
Ligand IDFE2
InChIInChI=1S/Fe/q+2
InChIKeyCWYNVVGOOAEACU-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Fe+2]
CACTVS 3.341[Fe++]
FormulaFe
NameFE (II) ION
ChEMBL
DrugBankDB14510
ZINC
PDB chain1xik Chain B Residue 377 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1xik Crystal structure of reduced protein R2 of ribonucleotide reductase: the structural basis for oxygen activation at a dinuclear iron site.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		E115 E204 E238 H241
Binding residue
(residue number reindexed from 1)		E115 E204 E238 H241
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) Y122 D237
Catalytic site (residue number reindexed from 1) Y122 D237
Enzyme Commision number 1.17.4.1: ribonucleoside-diphosphate reductase.
Gene Ontology
Molecular Function
GO:0004748 ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
GO:0005506 iron ion binding
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0042802 identical protein binding
GO:0046872 metal ion binding
Biological Process
GO:0009185 ribonucleoside diphosphate metabolic process
GO:0009263 deoxyribonucleotide biosynthetic process
GO:0009265 2'-deoxyribonucleotide biosynthetic process
GO:0015949 nucleobase-containing small molecule interconversion
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005971 ribonucleoside-diphosphate reductase complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1xik, PDBe:1xik, PDBj:1xik
PDBsum1xik
PubMed8805591
UniProtP69924|RIR2_ECOLI Ribonucleoside-diphosphate reductase 1 subunit beta (Gene Name=nrdB)

[Back to BioLiP]