9EP7 | pdb_00009ep7

Poecitoxin-1a from Poecilotheria subfusca spider, a new potent peptide blocker of the human Cav1.2 channel subtype

• PDB DOI: https://doi.org/10.2210/pdb9EP7/pdb
• BMRB: 52321

• Classification: TOXIN
• Organism(s): Poecilotheria subfusca
• Mutation(s): No 


• Deposited: 2024-03-18 Released: 2025-03-26 
• Deposition Author(s): Kurz, M.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 40 
• Conformers Submitted: 10 
• Selection Criteria: structures with the least restraint violations 

Literature

Poecitoxin-1a from Poecilotheria subfusca spider, a new potent peptide blocker of the human Cav1.2 channel subtype

Kurz, M., Chambard, J.M.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: NMR Distance Restraints

Macromolecule Content 

• Total Structure Weight: 4.01 kDa 
• Atom Count: 276 
• Modeled Residue Count: 36 
• Deposited Residue Count: 36 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Poecitoxin-1a	A	36	Poecilotheria subfusca	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 40 
• Conformers Submitted: 10 
• Selection Criteria: structures with the least restraint violations 

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2025-03-26 
Deposition Author(s): Kurz, M.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-03-26
  Type: Initial release