PDBe 1tg1

X-ray diffraction
1.25Å resolution

Crystal Structure of the complex formed between russells viper phospholipase A2 and a designed peptide inhibitor PHQ-Leu-Val-Arg-Tyr at 1.2A resolution

Entry authors: Singh N, Kaur P, Somvanshi RK, Sharma S, Dey S, Perbandt M, Betzel C, Singh TP

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):
Basic phospholipase A2 VRV-PL-VIIIa Chain: A
Molecule details ›
Chain: A
Length: 121 amino acids
Theoretical weight: 13.63 KDa
Source organism: Daboia russelii russelii
  • Canonical: P59071 (Residues: 1-121; Coverage: 100%)
Sequence domains: Phospholipase A2
Structure domains: Phospholipase A2 domain
peptide inhibitor Chain: C
Molecule details ›
Chain: C
Length: 5 amino acids
Theoretical weight: 703 Da
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P43
Unit cell:
a: 52.496Å b: 52.496Å c: 47.93Å
α: 90° β: 90° γ: 90°
R R work R free
0.188 0.188 0.197
Expression system: Not provided