› 2ctx

X-ray diffraction
2.4Å resolution

THE REFINED CRYSTAL STRUCTURE OF ALPHA-COBRATOXIN FROM NAJA NAJA SIAMENSIS AT 2.4-ANGSTROMS RESOLUTION

Released:
DOI: 10.2210/pdb2ctx/pdb
PDB entry 2ctx coloured by chain, front view.
PDB entry 2ctx coloured by chain, side view.
PDB entry 2ctx coloured by chain, top view.
Source organism: Naja naja
Primary publication:
The refined crystal structure of alpha-cobratoxin from Naja naja siamensis at 2.4-A resolution.
Betzel C, Lange G, Pal GP, Wilson KS, Maelicke A, Saenger W
J Biol Chem 266 21530-6 (1991)
PMID: 1939183

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-150551 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Long neurotoxin 3 Chain: A
Molecule details ›
Chain: A
Length: 71 amino acids
Theoretical weight: 7.84 KDa
Source organism: Naja naja
Expression system: Not provided
UniProt:
  • Canonical: P25671 (Residues: 1-71; Coverage: 100%)
Structure domains: CD59

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P6522
Unit cell:
a: 76.61Å b: 76.61Å c: 42.76Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.195 not available not available
Expression system: Not provided

Quick links

Citations

6 review citations

Snake venom alpha-neurotoxins and other 'three-finger' proteins.
Tsetlin V. (1999)
5 more

15 mentions without citation

Studies on sea snake venom.
Tamiya et al. (2011)
14 more