› 1onj

X-ray diffraction
1.56Å resolution

Crystal structure of Atratoxin-b from Chinese cobra venom of Naja atra

Released:
DOI: 10.2210/pdb1onj/pdb
PDB entry 1onj coloured by chain, front view.
PDB entry 1onj coloured by chain, side view.
PDB entry 1onj coloured by chain, top view.
Source organism: Naja atra
Primary publication:
Purification, N-terminal sequencing, crystallization and preliminary structural determination of atratoxin-b, a short-chain alpha-neurotoxin from Naja atra venom.
Lou X, Tu X, Pan G, Xu C, Fan R, Lu W, Deng W, Rao P, Teng M, Niu L
Acta Crystallogr D Biol Crystallogr 59 1038-42 (2003)
PMID: 12777767

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-160465 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cobrotoxin-b Chain: A
Molecule details ›
Chain: A
Length: 61 amino acids
Theoretical weight: 6.84 KDa
Source organism: Naja atra
UniProt:
  • Canonical: P80958 (Residues: 22-82; Coverage: 100%)
Structure domains: CD59

Ligands and Environments

1 bound ligand:
Ligand SO4 1 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSRL BEAMLINE U7B
Spacegroup: P41212
Unit cell:
a: 49.11Å b: 49.11Å c: 44.58Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.171 0.171 0.192

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Citations

2 mentions without citation

Predicted structural mimicry of spike receptor-binding motifs from highly pathogenic human coronaviruses.
Beaudoin et al. (2021)
1 more