2NDD

Structure-activity relationship of peptide toxin HelaTx1: a new kappa-KTx subfamily affecting K+ channel

• PDB DOI: https://doi.org/10.2210/pdb2NDD/pdb
• BMRB: 26056

• Classification: TOXIN
• Organism(s): Heterometrus laoticus
• Mutation(s): Yes 


• Deposited: 2016-05-12 Released: 2017-05-31 
• Deposition Author(s): Park, B.G., Kim, J.I., Ryu, J.H.

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Experimental Data Snapshot

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

Literature

Structure-activity relationship of peptide toxin HelaTx1: a new kappa-KTx subfamily affecting K+ channel

Park, B.G., Kim, J.I., Ryu, J.H.

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: 2.93 kDa 
• Atom Count: 199 
• Modelled Residue Count: 26 
• Deposited Residue Count: 26 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Potassium channel toxin kappa-KTx 5.1	A	26	Heterometrus laoticus	Mutation(s): 1
UniProt
Find proteins for P0DJ41 (Heterometrus laoticus) Explore P0DJ41  Go to UniProtKB:  P0DJ41

Experimental Data & Validation

Experimental Data

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-05-31 
Deposition Author(s): Park, B.G., Kim, J.I., Ryu, J.H.

Revision History  

• Version 1.0: 2017-05-31
  Type: Initial release
  
• Version 1.1: 2023-06-14
  Changes: Data collection, Database references, Derived calculations, Other