Structure of PDB 2hq8 Chain A Binding Site BS03

Receptor Information
>2hq8 Chain A (length=181) Species: 37510 (Renilla muelleri) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ITESERAYHLRKMKTRMQRVDVTGDGFISREDYELIAVRIAKIAKLSAEK
AEETRQEFLRVADQLGLAPGVRISVEEAAVNATDSLLKMKGEEKAMAVIQ
SLIMYDCIDTDKDGYVSLPEFKAFLQAVGPDLTDDKAITCFNTLDFNKNG
QISRDEFLVTVNDFLFGLEETALANAFYGDL
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain2hq8 Chain A Residue 203 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2hq8 Crystal structure of coelenterazine-binding protein from Renilla muelleri at 1.7 A: why it is not a calcium-regulated photoprotein.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		D112 D114 D116 Y118 E123
Binding residue
(residue number reindexed from 1)		D109 D111 D113 Y115 E120
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:2hq8, PDBe:2hq8, PDBj:2hq8
PDBsum2hq8
PubMed18385886
UniProtC9V488

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