2IT7

Solution structure of the squash trypsin inhibitor EETI-II

• PDB DOI: https://doi.org/10.2210/pdb2IT7/pdb

• Classification: PLANT PROTEIN
• Organism(s): Ecballium elaterium
• Mutation(s): No 


• Deposited: 2006-10-19 Released: 2007-10-02 
• Deposition Author(s): Chiche, L., Heitz, A., Le-Nguyen, D.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 50 
• Conformers Submitted: 30 
• Selection Criteria: structures with the lowest energy 

Literature

Knottin cyclization: Structure and stability of cyclic and linear squash inhibitors do not differ significantly

Heitz, A., Avrutina, O., Le-Nguyen, D., Diederichsen, U., Hernandez, J.F., Gracy, J., Kolmar, H., Chiche, L.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 2.91 kDa 
• Atom Count: 196 
• Modelled Residue Count: 28 
• Deposited Residue Count: 28 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Trypsin inhibitor 2	A	28	N/A	Mutation(s): 0
UniProt
Find proteins for P12071 (Ecballium elaterium) Explore P12071  Go to UniProtKB:  P12071

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 50 
• Conformers Submitted: 30 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-10-02 
Deposition Author(s): Chiche, L., Heitz, A., Le-Nguyen, D.

Revision History  

• Version 1.0: 2007-10-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2022-03-09
  Changes: Data collection, Database references, Derived calculations
• Version 1.3: 2024-10-30
  Changes: Data collection, Structure summary