1DTX: Alpha-dendrotoxin

Crystal structure of alpha-dendrotoxin from the green mamba venom and its comparison with the structure of bovine pancreatic trypsin inhibitor. Determined by X-ray diffraction at 2.2 Å resolution. Released 15 Jan 1992.

Method
X-ray diffraction
Resolution
2.2 Å
Organism
Dendroaspis angusticeps
Chains
1
Atoms
561
Mol. weight
7.55 kDa
Released
15 Jan 1992

Explore 1DTX in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1DTX contains 4 α-helices and 3 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 4 helices, 3 β-strands

ElementResiduesLengthSheet
α-helix5-84
α-helix10-112
β-strand20-2671
β-strand31-3771
β-strand4711
α-helix50-534
α-helix54-585

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Alpha-dendrotoxinAprotein59Dendroaspis angusticepsP00980 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1DTX_1 ALPHA-DENDROTOXIN (chains A)
QPRRKLCILHRNPGRCYDKIPAFYYNQKKKQCERFDWSGCGGNSNRFKTIEECRRTCIG

Primary citation

Crystal structure of alpha-dendrotoxin from the green mamba venom and its comparison with the structure of bovine pancreatic trypsin inhibitor. Skarzynski, T. J Mol Biol (1992) 224:671-683. DOI 10.1016/0022-2836(92)90552-U · PubMed

Other PDB entries of the same protein (UniProt P00980 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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