7VWO

TA complex from Mycobacterium tuberculosis

• PDB DOI: https://doi.org/10.2210/pdb7VWO/pdb

• Classification: TOXIN/ANTITOXIN
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-11-11 Released: 2022-11-16 
• Deposition Author(s): Eun, H.-J., Lee, B.-J., Lee, J.-Y.
• Funding Organization(s): National Research Foundation (NRF, Korea)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.247 
• R-Value Work: 0.201 
• R-Value Observed: 0.204 

Literature

TA complex from Mycobacterium tuberculosis

Eun, H.-J., Lee, B.-J., Lee, J.-Y.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A2B1 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A2B1 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 3-mer - A2B1 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 105.07 kDa 
• Atom Count: 8,006 
• Modelled Residue Count: 935 
• Deposited Residue Count: 936 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribonuclease VapC43	A, B, C [auth E], D [auth K], E [auth I], F [auth G]	142	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  Gene Names: vapC43, Rv2872, MTCY274.03 EC: 3.1
UniProt
Find proteins for P9WF55 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WF55  Go to UniProtKB:  P9WF55

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Antitoxin VapB43	G [auth H], H [auth D], I [auth J]	28	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  Gene Names: vapB43, Rv2871, MTCY274.02
UniProt
Find proteins for P9WL41 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WL41  Go to UniProtKB:  P9WL41

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.247 
• R-Value Work: 0.201 
• R-Value Observed: 0.204 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.847	α = 73.16
b = 74.501	β = 70.24
c = 74.882	γ = 70.03

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-11-16 
Deposition Author(s): Eun, H.-J., Lee, B.-J., Lee, J.-Y.

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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: 2022-11-16
  Type: Initial release
  
• Version 1.1: 2024-05-29
  Changes: Data collection, Refinement description