PDBe 1mf4

X-ray diffraction
1.9Å resolution

Structure-based design of potent and selective inhibitors of phospholipase A2: Crystal structure of the complex formed between phosholipase A2 from Naja Naja sagittifera and a designed peptide inhibitor at 1.9 A resolution


Function and Biology Details

Reaction catalysed:
Phosphatidylcholine + H(2)O = 1-acylglycerophosphocholine + a carboxylate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Acidic phospholipase A2 3 Chain: A
Molecule details ›
Chain: A
Length: 119 amino acids
Theoretical weight: 13.13 KDa
Source organism: Naja sagittifera
  • Canonical: P60045 (Residues: 8-126; Coverage: 94%)
Sequence domains: Phospholipase A2
Structure domains: Phospholipase A2 domain
Molecule details ›
Chain: B
Length: 5 amino acids
Theoretical weight: 580 Da
Source organism: Naja sagittifera
Expression system: Not provided

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: P41
Unit cell:
a: 42.779Å b: 42.779Å c: 65.866Å
α: 90° β: 90° γ: 90°
R R work R free
0.184 0.182 0.239
Expression system: Not provided