Structure of PDB 3l2y Chain A Binding Site BS03

Receptor Information
>3l2y Chain A (length=206) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QTDMSRKAFVFPKESDTSYVSLKAPLTKPLKAFTVCLHFYTELSSTRGYS
IFSYATKRQDNEILIFWSKDIGYSFTVGGSEILFEVPEVTVAPVHICTSW
ESASGIVEFWVDGKPRVRKSLKKGYTVGAEASIILGQEQDSFGGNFEGSQ
SLVGDIGNVNMWDFVLSPDEINTIYLGGPFSPNVLNWRALKYEVQGEVFT
KPQLWP
Ligand information
Ligand IDOPE
InChIInChI=1S/C2H8NO4P/c3-1-2-7-8(4,5)6/h1-3H2,(H2,4,5,6)
InChIKeySUHOOTKUPISOBE-UHFFFAOYSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C(COP(=O)(O)O)N
ACDLabs 10.04O=P(O)(O)OCCN
CACTVS 3.341NCCO[P](O)(O)=O
FormulaC2 H8 N O4 P
NamePHOSPHORIC ACID MONO-(2-AMINO-ETHYL) ESTER;
COLAMINE PHOSPHORIC ACID
ChEMBLCHEMBL146972
DrugBankDB01738
ZINCZINC000003870166
PDB chain3l2y Chain A Residue 550 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3l2y Structural basis of ligand specificity in the human pentraxins, C-reactive protein and serum amyloid P component.
Resolution2.7 Å
Binding residue
(original residue number in PDB)		N61 L64 F66 E138
Binding residue
(residue number reindexed from 1)		N61 L64 F66 E138
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=4.49,Kd=32.07uM
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:0030169 low-density lipoprotein particle binding
GO:0033265 choline binding
GO:0042802 identical protein binding
GO:0046790 virion binding
GO:0046872 metal ion binding
GO:0050750 low-density lipoprotein particle receptor binding
Biological Process
GO:0006953 acute-phase response
GO:0006954 inflammatory response
GO:0008228 opsonization
GO:0010628 positive regulation of gene expression
GO:0010745 negative regulation of macrophage derived foam cell differentiation
GO:0010888 negative regulation of lipid storage
GO:0032677 regulation of interleukin-8 production
GO:0032930 positive regulation of superoxide anion generation
GO:0032945 negative regulation of mononuclear cell proliferation
GO:0042310 vasoconstriction
GO:0045087 innate immune response
GO:0050830 defense response to Gram-positive bacterium
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3l2y, PDBe:3l2y, PDBj:3l2y
PDBsum3l2y
PubMed21360619
UniProtP02741|CRP_HUMAN C-reactive protein (Gene Name=CRP)

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