7N9Q

State 3 of TcdB and FZD2 at pH5

• PDB DOI: https://doi.org/10.2210/pdb7N9Q/pdb
• EM Map EMD-24259: EMDB EMDataResource

• Classification: HYDROLASE
• Organism(s): Clostridioides difficile
• Expression System: Priestia megaterium NBRC 15308 = ATCC 14581
• Mutation(s): No 


• Deposited: 2021-06-18 Released: 2022-03-02 
• Deposition Author(s): Jiang, M., Zhang, J.
• Funding Organization(s): Welch Foundation

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural Basis for Receptor Recognition of Clostridium difficile Toxin B and its Dissociation upon Acidification

Jiang, M., Zhang, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 269.81 kDa 
• Atom Count: 6,945 
• Modelled Residue Count: 2,315 
• Deposited Residue Count: 2,365 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Toxin B	A	2,365	Clostridioides difficile	Mutation(s): 0  Gene Names: tcdB, toxB EC: 3.4.22
UniProt
Find proteins for P18177 (Clostridioides difficile) Explore P18177  Go to UniProtKB:  P18177

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-03-02 
Deposition Author(s): Jiang, M., Zhang, J.

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Funding Organization	Location	Grant Number
Welch Foundation	United States	--

Revision History  

• Version 1.0: 2022-03-02
  Type: Initial release
  
• Version 1.1: 2024-06-05
  Changes: Data collection