Structure of PDB 1hq3 Chain E Binding Site BS01

Receptor Information
>1hq3 Chain E (length=104) Species: 9031 (Gallus gallus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AKSRSSRAGLQFPVGRVHRLLRKGNYAERVGAGAPVYLAAVLEYLTAEIL
ELAGNAARDNKKTRIIPRHLQLAIRNDEELNKLLGKVTIAQGGVLPNIQA
VLLP
Ligand information
Ligand IDPO4
InChIInChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-3
InChIKeyNBIIXXVUZAFLBC-UHFFFAOYSA-K
SMILES
SoftwareSMILES
CACTVS 3.341[O-][P]([O-])([O-])=O
ACDLabs 10.04[O-]P([O-])([O-])=O
OpenEye OEToolkits 1.5.0[O-]P(=O)([O-])[O-]
FormulaO4 P
NamePHOSPHATE ION
ChEMBL
DrugBankDB14523
ZINC
PDB chain1hq3 Chain E Residue 503 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1hq3 Structure of the histone-core octamer in KCl/phosphate crystals at 2.15 A resolution.
Resolution2.15 Å
Binding residue
(original residue number in PDB)		R29 R32 K36
Binding residue
(residue number reindexed from 1)		R16 R19 K23
Annotation score3
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0030527 structural constituent of chromatin
GO:0031492 nucleosomal DNA binding
GO:0046982 protein heterodimerization activity
Biological Process
GO:0031507 heterochromatin formation
Cellular Component
GO:0000786 nucleosome
GO:0005634 nucleus
GO:0005694 chromosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1hq3, PDBe:1hq3, PDBj:1hq3
PDBsum1hq3
PubMed12876341
UniProtP02263|H2A4_CHICK Histone H2A-IV

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