Structure of PDB 1yxh Chain A Binding Site BS01

Receptor Information
>1yxh Chain A (length=119) Species: 195058 (Naja sagittifera) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NIYQFKNMIQCTVPSRSWWDFADYGCYCGRGGSGTPVDDLDRCCQVHDNC
YNQAQEITGCRPKWKTYTYECSQGTLTCKGRNNACAATVCDCDRLAAICF
AGAPYNDNNYNIDLKARCQ
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 chain1yxh Chain A Residue 1001 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1yxh Crystal structure of a novel phospholipase A(2) from Naja naja sagittifera with a strong anticoagulant activity
Resolution1.86 Å
Binding residue
(original residue number in PDB)		Y28 G30 G32 D49
Binding residue
(residue number reindexed from 1)		Y27 G29 G31 D48
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) Y28 G30 G32 H48 D49 Y52 Y68 D94
Catalytic site (residue number reindexed from 1) Y27 G29 G31 H47 D48 Y51 Y67 D93
Enzyme Commision number 3.1.1.4: phospholipase A2.
Gene Ontology
Molecular Function
GO:0004623 phospholipase A2 activity
GO:0005509 calcium ion binding
Biological Process
GO:0006644 phospholipid metabolic process
GO:0016042 lipid catabolic process
GO:0050482 arachidonate secretion

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Molecular Function
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Biological Process
External links
PDB RCSB:1yxh, PDBe:1yxh, PDBj:1yxh
PDBsum1yxh
PubMed16269164
UniProtQ6T179|PA2A4_NAJSG Acidic phospholipase A2 4 (Fragment)

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