Structure of PDB 1nub Chain B Binding Site BS02

Receptor Information
>1nub Chain B (length=226) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
APCQNHHCKHGKVCELDENNTPMCVCQDPTSCPAPIGEFEKVCSNDNKTF
DSSCHFFATKCTLEGTKKGHKLHLDYIGPCKYIPPCLDSELTEFPLRMRD
WLKNVLVTLYERDEDNNLLTEKQKLRVKKIHENEKRLEAGDHPEKNYNMY
IFPVHWQFGQLDQHPIDGYLSHTELAPLRAPLIPMEHCTTRFFETCDLDN
DKYIALDEWAGCFGIKQKDIDKDLVI
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 chain1nub Chain B Residue 302 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1nub Crystal structure and mapping by site-directed mutagenesis of the collagen-binding epitope of an activated form of BM-40/SPARC/osteonectin.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		D257 D259 D261 Y263 E268
Binding residue
(residue number reindexed from 1)		D197 D199 D201 Y203 E208
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:1nub, PDBe:1nub, PDBj:1nub
PDBsum1nub
PubMed9501084
UniProtP09486|SPRC_HUMAN SPARC (Gene Name=SPARC)

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