7VD7

Toxin - Antitoxin complex from Salmonella enterica serovar Typhimurium

• PDB DOI: https://doi.org/10.2210/pdb7VD7/pdb

• Classification: TOXIN/ANTITOXIN
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2021-09-06 Released: 2022-09-14 
• Deposition Author(s): Eun, H.-J., Lee, B.-J., Jang, S.-W., Park, J.-H.
• Funding Organization(s): National Research Foundation (NRF, Korea)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.43 Å
• R-Value Free: 0.216 
• R-Value Work: 0.196 
• R-Value Observed: 0.197 

Starting Model: in silico

Literature

Toxin-Antitoxin complex from Salmonella enterica serovar Typhimurium

Eun, H.-J., Jang, S.-W., Park, J.-H., Lee, B.-J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 16.11 kDa 
• Atom Count: 1,282 
• Modelled Residue Count: 138 
• Deposited Residue Count: 138 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
toxin	A	94	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 1
UniProt
Find proteins for Q7CP72 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore Q7CP72  Go to UniProtKB:  Q7CP72

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
antitoxin	B	44	Salmonella enterica subsp. enterica serovar Typhimurium	Mutation(s): 0
UniProt
Find proteins for Q7CP71 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore Q7CP71  Go to UniProtKB:  Q7CP71

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.43 Å
• R-Value Free: 0.216 
• R-Value Work: 0.196 
• R-Value Observed: 0.197 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.366	α = 90
b = 31.605	β = 90.63
c = 47.985	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-09-14 
Deposition Author(s): Eun, H.-J., Lee, B.-J., Jang, S.-W., Park, J.-H.

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Funding Organization	Location	Grant Number
National Research Foundation (NRF, Korea)	Korea, Republic Of	2018R1A5A2024425
National Research Foundation (NRF, Korea)	Korea, Republic Of	2021R1F1A1050961
National Research Foundation (NRF, Korea)	Korea, Republic Of	2021 BK21 Plus Project for Medicine, Dentistry and Pharmacy

Revision History  

• Version 1.0: 2022-09-14
  Type: Initial release
  
• Version 1.1: 2022-09-28
  Changes: Database references
• Version 1.2: 2024-04-03
  Changes: Data collection, Refinement description