1YTP

Solution structure of the C4A/C41A variant of the Nicotiana alata proteinase inhibitor T1

• PDB DOI: https://doi.org/10.2210/pdb1YTP/pdb

• Classification: HYDROLASE INHIBITOR
• Organism(s): Nicotiana alata
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-02-10 Released: 2006-03-21 
• Deposition Author(s): Schirra, H.J., Renda, R.R., Anderson, M.A., Craik, D.J.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 20 
• Selection Criteria: structures with the least restraint violations,structures with the lowest energy 

Literature

The structure of a disulfide mutant of the Nicotiana alata proteinase inhibitor T1 --- Stabilisation of the reactive site loop is critical for activity

Schirra, H.J., Renda, R.R., Anderson, M.A., Craik, D.J.

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: 5.68 kDa 
• Atom Count: 393 
• Modelled Residue Count: 53 
• Deposited Residue Count: 53 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
proteinase inhibitor	A	53	Nicotiana alata	Mutation(s): 2
UniProt
Find proteins for Q40378 (Nicotiana alata) Explore Q40378  Go to UniProtKB:  Q40378

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 100 
• Conformers Submitted: 20 
• Selection Criteria: structures with the least restraint violations,structures with the lowest energy 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-03-21 
Deposition Author(s): Schirra, H.J., Renda, R.R., Anderson, M.A., Craik, D.J.

Revision History  

• Version 1.0: 2006-03-21
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-11-10
  Changes: Data collection, Database references, Derived calculations