› 1i26

Solution NMR

SOLUTION STRUCTURE OF PTU-1, A TOXIN FROM THE ASSASSIN BUGS PEIRATES TURPIS THAT BLOCKS THE VOLTAGE SENSITIVE CALCIUM CHANNEL N-TYPE

Released:
DOI: 10.2210/pdb1i26/pdb
PDB entry 1i26 coloured by chain, ensemble of 26 models, front view.
PDB entry 1i26 coloured by chain, ensemble of 26 models, side view.
PDB entry 1i26 coloured by chain, ensemble of 26 models, top view.
Source organism: Peirates turpis
Primary publication:
Solution structure of Ptu1, a toxin from the assassin bug Peirates turpis that blocks the voltage-sensitive calcium channel N-type.
Bernard C, Corzo G, Mosbah A, Nakajima T, Darbon H
Biochemistry 40 12795-800 (2001)
PMID: 11669615

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-157705 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Toxin Ptu1 Chain: A
Molecule details ›
Chain: A
Length: 34 amino acids
Theoretical weight: 3.63 KDa
Source organism: Peirates turpis
UniProt:
  • Canonical: P58606 (Residues: 1-34; Coverage: 100%)
Sequence domains: Ptu family

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Refinement method: distance geometry

Quick links

Citations

4 review citations

Diversity of folds in animal toxins acting on ion channels.
Mouhat et al. (2004)
3 more

4 mentions without citation

Venoms of Heteropteran Insects: A Treasure Trove of Diverse Pharmacological Toolkits.
Walker et al. (2016)
3 more