Structure of PDB 1q7a Chain A

Receptor sequence
>1q7aA (length=121) Species: 97228 (Daboia russelii pulchella) [Search protein sequence]
SLLEFGKMILEETGKLAIPSYSSYGCYCGWGGKGTPKDATDRCCFVHDCC
YGNLPDCNPKSDRYKYKRVNGAIVCEKGTSCENRICECDKAAAICFRQNL
NTYSKKYMLYPDFLCKGELKC
3D structure
PDB1q7a Phospholipase A2 as a target protein for nonsteroidal anti-inflammatory drugs (NSAIDS): crystal structure of the complex formed between phospholipase A2 and oxyphenbutazone at 1.6 A resolution.
ChainA
Resolution1.6 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) Y27 G29 G31 H47 D48 Y51 Y64 D89
Catalytic site (residue number reindexed from 1) Y27 G29 G31 H47 D48 Y51 Y64 D89
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 SO4 A S1 L3 R63 S1 L3 R63
BS02 OPB A L2 F5 G29 W30 H47 Y51 K60 L2 F5 G29 W30 H47 Y51 K60 MOAD: Kd=0.000000064M
PDBbind-CN: -logKd/Ki=7.19,Kd=64nM
Gene Ontology
Molecular Function
GO:0004623 phospholipase A2 activity
GO:0005509 calcium ion binding
GO:0005543 phospholipid binding
GO:0016787 hydrolase activity
GO:0046872 metal ion binding
GO:0047498 calcium-dependent phospholipase A2 activity
GO:0090729 toxin activity
Biological Process
GO:0006644 phospholipid metabolic process
GO:0016042 lipid catabolic process
GO:0035821 modulation of process of another organism
GO:0042130 negative regulation of T cell proliferation
GO:0050482 arachidonate secretion
Cellular Component
GO:0005576 extracellular region

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Cellular Component
External links
PDB RCSB:1q7a, PDBe:1q7a, PDBj:1q7a
PDBsum1q7a
PubMed15544328
UniProtP59071|PA2B8_DABRR Basic phospholipase A2 VRV-PL-VIIIa

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