› 4rfp

X-ray diffraction
1.6Å resolution

Crystal structure of a acidic PLA2 from Trimeresurus stejnegeri venom

Released:
DOI: 10.2210/pdb4rfp/pdb
PDB entry 4rfp coloured by chain, front view.
PDB entry 4rfp coloured by chain, side view.
PDB entry 4rfp coloured by chain, top view.
Source organism: Trimeresurus stejnegeri
Entry authors: Zeng F, Niu L, Li X, Teng M

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-160650 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Acidic phospholipase A2 5 Chains: A, B
Molecule details ›
Chains: A, B
Length: 121 amino acids
Theoretical weight: 13.73 KDa
Source organism: Trimeresurus stejnegeri
UniProt:
  • Canonical: P82896 (Residues: 1-122; Coverage: 99%)
Sequence domains: Phospholipase A2
Structure domains: Phospholipase A2 domain

Ligands and Environments

1 bound ligand:
Ligand PEG 4 x PEG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH3R
Spacegroup: P21212
Unit cell:
a: 72.177Å b: 85.712Å c: 38.888Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.184 0.183 0.209

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