Structure of PDB 2hza Chain B Binding Site BS02

Receptor Information
>2hza Chain B (length=126) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MQRVTITLDDDLLETLDSLSQRRGYNNRSEAIRDILRSALAQEGTQGFAV
LSYVYEHEKRDLASRIVSTQHHHHDLSVATLHVHINHDDCLEIAVLKGDM
GDVQHFADDVIAQRGVRHGHLQCLPK
Ligand information
Ligand IDNI
InChIInChI=1S/Ni/q+2
InChIKeyVEQPNABPJHWNSG-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ni++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ni+2]
FormulaNi
NameNICKEL (II) ION
ChEMBL
DrugBankDB14204
ZINC
PDB chain2hza Chain B Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2hza NikR-operator complex structure and the mechanism of repressor activation by metal ions.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		H87 H89 C95
Binding residue
(residue number reindexed from 1)		H82 H84 C90
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0000976 transcription cis-regulatory region binding
GO:0001046 core promoter sequence-specific DNA binding
GO:0001217 DNA-binding transcription repressor activity
GO:0003677 DNA binding
GO:0003700 DNA-binding transcription factor activity
GO:0005515 protein binding
GO:0016151 nickel cation binding
GO:0042802 identical protein binding
GO:0043565 sequence-specific DNA binding
GO:0046872 metal ion binding
Biological Process
GO:0006355 regulation of DNA-templated transcription
GO:0010045 response to nickel cation
GO:2000143 negative regulation of DNA-templated transcription initiation
Cellular Component
GO:0005667 transcription regulator complex
GO:0032993 protein-DNA complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2hza, PDBe:2hza, PDBj:2hza
PDBsum2hza
PubMed16945905
UniProtP0A6Z6|NIKR_ECOLI Nickel-responsive regulator (Gene Name=nikR)

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