7X41

Crystal structure of chlorotoxin, a glioma specific scorpion toxin

• PDB DOI: https://doi.org/10.2210/pdb7X41/pdb

• Classification: TOXIN
• Organism(s): Leiurus quinquestriatus quinquestriatus
• Expression System: Pichia
• Mutation(s): No 


• Deposited: 2022-03-01 Released: 2023-03-08 
• Deposition Author(s): Chang, Y.T., Chuang, W.J.
• Funding Organization(s): Ministry of Science and Technology (MoST, Taiwan)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.15 Å
• R-Value Free: 0.157 
• R-Value Work: 0.144 

Starting Model: experimental

Literature

Expression in Pichia pastoris and characterization of chlorotoxin, an anti-glioma migration agent

Chang, Y.T.

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: 4.41 kDa 
• Atom Count: 308 
• Modelled Residue Count: 37 
• Deposited Residue Count: 40 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chlorotoxin	A	40	Leiurus quinquestriatus quinquestriatus	Mutation(s): 0
UniProt
Find proteins for P45639 (Leiurus quinquestriatus quinquestriatus) Explore P45639  Go to UniProtKB:  P45639

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.15 Å
• R-Value Free: 0.157 
• R-Value Work: 0.144 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 22.335	α = 90
b = 26.008	β = 90
c = 47.23	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
HKL-3000	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-03-08 
Deposition Author(s): Chang, Y.T., Chuang, W.J.

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Funding Organization	Location	Grant Number
Ministry of Science and Technology (MoST, Taiwan)	Taiwan	MOST 109-2311-B-006-004-MY3

Revision History  

• Version 1.0: 2023-03-08
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description