Structure of PDB 1vkq Chain A Binding Site BS01

Receptor Information
>1vkq Chain A (length=123) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ALWQFNGMIKCKIPSSEPLLDFNNYGCYCGLGGSGTPVDDLDRCCQTHDN
CYMQAMKLDSCKVLVDNPYTNNYSYSCSNNEITCSSENNACEAFICNCDR
NAAICFSKVPYNKEHKNLDMKNC
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 chain1vkq Chain A Residue 224 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1vkq A redetermination of the structure of the triple mutant (K53,56,120M) of phospholipase A2 at 1.6 A resolution using sulfur-SAS at 1.54 A wavelength.
Resolution1.6 Å
Binding residue
(original residue number in PDB)		Y28 G30 G32 D49
Binding residue
(residue number reindexed from 1)		Y28 G30 G32 D49
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) Y28 G30 G32 H48 D49 Y52 Y73 D99
Catalytic site (residue number reindexed from 1) Y28 G30 G32 H48 D49 Y52 Y73 D99
Enzyme Commision number 3.1.1.4: phospholipase A2.
Gene Ontology
Molecular Function
GO:0004623 phospholipase A2 activity
GO:0005102 signaling receptor binding
GO:0005509 calcium ion binding
GO:0005543 phospholipid binding
GO:0016787 hydrolase activity
GO:0032052 bile acid binding
GO:0046872 metal ion binding
GO:0047498 calcium-dependent phospholipase A2 activity
Biological Process
GO:0002227 innate immune response in mucosa
GO:0006629 lipid metabolic process
GO:0006633 fatty acid biosynthetic process
GO:0006644 phospholipid metabolic process
GO:0008284 positive regulation of cell population proliferation
GO:0016042 lipid catabolic process
GO:0019731 antibacterial humoral response
GO:0046470 phosphatidylcholine metabolic process
GO:0046471 phosphatidylglycerol metabolic process
GO:0048146 positive regulation of fibroblast proliferation
GO:0050482 arachidonate secretion
GO:0050830 defense response to Gram-positive bacterium
GO:0061844 antimicrobial humoral immune response mediated by antimicrobial peptide
GO:1904635 positive regulation of podocyte apoptotic process
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0009986 cell surface

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1vkq, PDBe:1vkq, PDBj:1vkq
PDBsum1vkq
PubMed15333929
UniProtP00593|PA21B_BOVIN Phospholipase A2 (Gene Name=PLA2G1B)

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