Structure of PDB 1kvx Chain A

Receptor sequence
>1kvxA (length=123) Species: 9913 (Bos taurus) [Search protein sequence]
ALWQFNGMIKCKIPSSEPLLDFNNYGCYCGLGGSGTPVDDLDRCCQTHDN
CYKQAKKLDSCKVLVDNPYTNNYSYSCSNNEITCSSENNACEAFICNCAR
NAAICFSKVPYNKEHKNLDKKNC
3D structure
PDB1kvx Structures of the catalytic site mutants D99A and H48Q and the calcium-loop mutant D49E of phospholipase A2.
ChainA
Resolution1.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Y28 G30 G32 H48 D49 Y52 Y73 A99
Catalytic site (residue number reindexed from 1) Y28 G30 G32 H48 D49 Y52 Y73 A99
Enzyme Commision number 3.1.1.4: phospholipase A2.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CA A Y28 G30 G32 D49 Y28 G30 G32 D49
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:1kvx, PDBe:1kvx, PDBj:1kvx
PDBsum1kvx
PubMed10089353
UniProtP00593|PA21B_BOVIN Phospholipase A2 (Gene Name=PLA2G1B)

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