Structure of PDB 1ek3 Chain A Binding Site BS02

Receptor Information
>1ek3 Chain A (length=114) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DIVMTQSPDSLAVSPGERATINCKSSQNLLDSSFDTNTLAWYQQKPGQPP
KLLIYWASSRESGVPDRFSGSGSGTDFTLTISSLQAEDVAVYYCQQYYST
PPTFGGGTKVEIKR
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 chain1ek3 Chain A Residue 499 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1ek3 Recombinant immunoglobulin variable domains generated from synthetic genes provide a system for in vitro characterization of light-chain amyloid proteins
Resolution1.9 Å
Binding residue
(original residue number in PDB)		S27E D29
Binding residue
(residue number reindexed from 1)		S32 D35
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003823 antigen binding
Biological Process
GO:0002250 adaptive immune response
GO:0006955 immune response
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005886 plasma membrane
GO:0019814 immunoglobulin complex
GO:0072562 blood microparticle

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1ek3, PDBe:1ek3, PDBj:1ek3
PDBsum1ek3
PubMed
UniProtP06312|KV401_HUMAN Immunoglobulin kappa variable 4-1 (Gene Name=IGKV4-1)

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