Structure of PDB 1gyk Chain B Binding Site BS01

Receptor Information
>1gyk Chain B (length=204) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
HTDLSGKVFVFPRESVTDHVNLITPLEKPLQNFTLCFRAYSDLSRAYSLF
SYNTQGRDNELLVYKERVGEYSLYIGRHKVTSKVIEKFPAPVHICVSWES
SSGIAEFWINGTPLVKKGLRQGYFVEAQPKIVLGQEQDSYGGKFDRSQSF
VGEIGDLYMWDSVLPPENILSAYQGTPLPANILDWQALNYEIRGYVIIKP
LVWV
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 chain1gyk Chain B Residue 1205 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1gyk The Structures of Crystalline Complexes of Human Serum Amyloid P Component with its Carbohydrate Ligand, the Cyclic Pyruvate Acetal of Galactose
Resolution2.2 Å
Binding residue
(original residue number in PDB)		D58 N59 E136 Q137 D138
Binding residue
(residue number reindexed from 1)		D58 N59 E136 Q137 D138
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0001849 complement component C1q complex binding
GO:0005509 calcium ion binding
GO:0005515 protein binding
GO:0030246 carbohydrate binding
GO:0042802 identical protein binding
GO:0046790 virion binding
GO:0046872 metal ion binding
GO:0051082 unfolded protein binding
Biological Process
GO:0002674 negative regulation of acute inflammatory response
GO:0006457 protein folding
GO:0006953 acute-phase response
GO:0044869 negative regulation by host of viral exo-alpha-sialidase activity
GO:0044871 negative regulation by host of viral glycoprotein metabolic process
GO:0045087 innate immune response
GO:0045656 negative regulation of monocyte differentiation
GO:0046597 negative regulation of viral entry into host cell
GO:0048525 negative regulation of viral process
GO:0051131 chaperone-mediated protein complex assembly
GO:0061045 negative regulation of wound healing
GO:1903016 negative regulation of exo-alpha-sialidase activity
GO:1903019 negative regulation of glycoprotein metabolic process
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005634 nucleus
GO:0062023 collagen-containing extracellular matrix
GO:0070062 extracellular exosome
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:1gyk, PDBe:1gyk, PDBj:1gyk
PDBsum1gyk
PubMed12126626
UniProtP02743|SAMP_HUMAN Serum amyloid P-component (Gene Name=APCS)

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