› 1kba

X-ray diffraction
2.3Å resolution

CRYSTAL STRUCTURE OF KAPPA-BUNGAROTOXIN AT 2.3-ANGSTROM RESOLUTION

Released:
DOI: 10.2210/pdb1kba/pdb
PDB entry 1kba coloured by chain, front view.
PDB entry 1kba coloured by chain, side view.
PDB entry 1kba coloured by chain, top view.
Source organism: Bungarus multicinctus
Primary publication:
Crystal structure of kappa-bungarotoxin at 2.3-A resolution.
Dewan JC, Grant GA, Sacchettini JC
Biochemistry 33 13147-54 (1994)
PMID: 7947721

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dodecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-134305 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Kappa-bungarotoxin Chains: A, B
Molecule details ›
Chains: A, B
Length: 66 amino acids
Theoretical weight: 7.28 KDa
Source organism: Bungarus multicinctus
Expression system: Not provided
UniProt:
  • Canonical: P01398 (Residues: 22-87; Coverage: 100%)
Structure domains: CD59

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P6
Unit cell:
a: 80.2Å b: 80.2Å c: 39.6Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.196 0.196 not available
Expression system: Not provided

Quick links

Citations

10 review citations

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

7 mentions without citation

The chemistry of snake venom and its medicinal potential.
Oliveira et al. (2022)
6 more