Structure of PDB 1a0b Chain A Binding Site BS01

Receptor Information
>1a0b Chain A (length=117) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KSEALLDIPMLEQYLELVGPKLITDGLAVFEKMMPGYVSVLESNLTAQDK
KGIVEEGHKIKGAAGSVGLRHLQQLGQQIQSPDLPAWEDNVGEWIEEMKE
EWRHDVEVLKAWVAKAT
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 chain1a0b Chain A Residue 800 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1a0b Insights into multistep phosphorelay from the crystal structure of the C-terminal HPt domain of ArcB.
Resolution2.06 Å
Binding residue
(original residue number in PDB)		H728 E754 E758
Binding residue
(residue number reindexed from 1)		H71 E97 E101
Annotation score4
Enzymatic activity
Enzyme Commision number 2.7.13.3: histidine kinase.
Gene Ontology
Biological Process
GO:0000160 phosphorelay signal transduction system

View graph for
Biological Process
External links
PDB RCSB:1a0b, PDBe:1a0b, PDBj:1a0b
PDBsum1a0b
PubMed9054511
UniProtP0AEC3|ARCB_ECOLI Aerobic respiration control sensor protein ArcB (Gene Name=arcB)

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