2IT7: Squash trypsin inhibitor EETI-II

Solution structure of the squash trypsin inhibitor EETI-II. Determined by solution NMR. Released 2 Oct 2007.

Method
Solution NMR
Chains
1
Atoms
196
Mol. weight
2.91 kDa
Released
2 Oct 2007

Explore 2IT7 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2IT7 contains 2 α-helices and 4 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: 2 helices, 4 β-strands

ElementResiduesLengthSheet
β-strand811
α-helix12-143
α-helix161
β-strand2112
β-strand2611
β-strand2712

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Trypsin inhibitor 2Aprotein28P12071 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>2IT7_1 Trypsin inhibitor 2 (chains A)
GCPRILMRCKQDSDCLAGCVCGPNGFCG

Primary citation

Knottin cyclization: Structure and stability of cyclic and linear squash inhibitors do not differ significantly. Heitz, A., Avrutina, O., Le-Nguyen, D. et al. To be published.

Other PDB entries of the same protein (UniProt P12071 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 2IT7 directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.