1tj9

X-ray diffraction
1.1Å resolution

Structure of the complexed formed between group II phospholipase A2 and a rationally designed tetra peptide,Val-Ala-Arg-Ser at 1.1A resolution

Released:
Source organism: Daboia russelii russelii
Entry authors: Singh N, Ethayathulla AS, K Somvanshi R, Sharma S, Dey S, Perbandt M, Betzel C, Kaur P, 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)
PDBe Complex ID:
PDB-CPX-157756 (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
UniProt:
  • Canonical: P59071 (Residues: 1-121; Coverage: 100%)
Sequence domains: Phospholipase A2
Structure domains: Phospholipase A2 domain
VARS peptide Chain: B
Molecule details ›
Chain: B
Length: 4 amino acids
Theoretical weight: 432 Da
Source organism: Daboia russelii russelii
Expression system: Not provided

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11
Spacegroup: P43
Unit cell:
a: 52.513Å b: 52.513Å c: 48.037Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.188 0.187 0.209
Expression system: Not provided