Structure of PDB 1sra Chain A Binding Site BS01

Receptor Information
>1sra Chain A (length=151) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PPCLDSELTEFPLRMRDWLKNVLVTLYERDEDNNLLTEKQKLRVKKIHEN
EKRLEAGDHPVELLARDFEKNYNMYIFPVHWQFGQLDQHPIDGYLSHTEL
APLRAPLIPMEHCTTRFFETCDLDNDKYIALDEWAGCFGIKQKDIDKDLV
I
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 chain1sra Chain A Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1sra Structure of a novel extracellular Ca(2+)-binding module in BM-40.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		D222 P225 D227 Y229 E234
Binding residue
(residue number reindexed from 1)		D87 P90 D92 Y94 E99
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
Cellular Component
GO:0005615 extracellular space

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Molecular Function
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Cellular Component
External links
PDB RCSB:1sra, PDBe:1sra, PDBj:1sra
PDBsum1sra
PubMed8548457
UniProtP09486|SPRC_HUMAN SPARC (Gene Name=SPARC)

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