› 1sn1

X-ray diffraction
1.7Å resolution

STRUCTURE OF SCORPION NEUROTOXIN BMK M1

Released:
DOI: 10.2210/pdb1sn1/pdb
PDB entry 1sn1 coloured by chain, front view.
PDB entry 1sn1 coloured by chain, side view.
PDB entry 1sn1 coloured by chain, top view.
Source organism: Mesobuthus martensii
Primary publication:
Crystal structures of two alpha-like scorpion toxins: non-proline cis peptide bonds and implications for new binding site selectivity on the sodium channel.
He XL, Li HM, Zeng ZH, Liu XQ, Wang M, Wang DC
J Mol Biol 292 125-35 (1999)
PMID: 10493862

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-155330 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Alpha-like toxin BmK M1 Chain: A
Molecule details ›
Chain: A
Length: 64 amino acids
Theoretical weight: 7.24 KDa
Source organism: Mesobuthus martensii
UniProt:
  • Canonical: P45697 (Residues: 20-83; Coverage: 99%)
Sequence domains: Scorpion toxin-like domain
Structure domains: Knottin, scorpion toxin-like

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21212
Unit cell:
a: 83.42Å b: 41.09Å c: 23.93Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.169 0.169 0.209

Quick links

Citations

6 review citations

An overview of toxins and genes from the venom of the Asian scorpion Buthus martensi Karsch.
Goudet et al. (2002)
5 more

9 mentions without citation

Molecular surface of tarantula toxins interacting with voltage sensors in K(v) channels.
Wang et al. (2004)
8 more