6OTA

THREE-DIMENSIONAL STRUCTURE IN SOLUTION OF THE RIBBON DISULFIDE ISOMER OF THE NICOTINIC ACETYLCHOLINE RECEPTOR ANTAGONIST ALPHA-CONOTOXIN TxIA

• PDB DOI: https://doi.org/10.2210/pdb6OTA/pdb
• BMRB: 30609

• Classification: TOXIN
• Organism(s): Conus textile
• Mutation(s): No 
• Membrane Protein: Yes  OPM


• Deposited: 2019-05-02 Released: 2020-05-06 
• Deposition Author(s): Clark, R.J., Nicke, A.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 50 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Literature

Structural and functional analysis of E. Coli-expressed 4/7 alpha-conotoxin analogues reveals preferential formation of ribbon isomers

El Hamdaoui, Y., Wu, X., Clark, R.J., Garibaldi, J., Anangi, R., Craik, D.J., King, G.F., Dutertre, S., Kaas, Q., Herzig, V., Nicke, A.

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: 1.66 kDa 
• Atom Count: 112 
• Modelled Residue Count: 16 
• Deposited Residue Count: 16 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-conotoxin TxIA	A	16	Conus textile	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for P0DM21 (Conus textile) Explore P0DM21  Go to UniProtKB:  P0DM21

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 50 
• Conformers Submitted: 20 
• Selection Criteria: structures with the lowest energy 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-05-06 
Deposition Author(s): Clark, R.J., Nicke, A.

Revision History  

• Version 1.0: 2020-05-06
  Type: Initial release
  
• Version 1.1: 2023-06-14
  Changes: Database references, Other