Crystal Structure of Mycobacterium Tuberculosis Elongation Factor G1

Experimental Data Snapshot

  • Resolution: 3.00 Å
  • R-Value Free: 0.241 
  • R-Value Work: 0.206 
  • R-Value Observed: 0.208 

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Crystal Structure of Mycobacterium tuberculosis Elongation Factor G1.

Gao, X.Yu, X.Zhu, K.Qin, B.Wang, W.Han, P.Aleksandra Wojdyla, J.Wang, M.Cui, S.

(2021) Front Mol Biosci 8: 667638-667638

  • DOI: https://doi.org/10.3389/fmolb.2021.667638
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    Mycobacterium tuberculosis ( Mtb ) caused an estimated 10 million cases of tuberculosis and 1.2 million deaths in 2019 globally. The increasing emergence of multidrug-resistant and extensively drug-resistant Mtb is becoming a public health threat worldwide and makes the identification of anti- Mtb drug targets urgent. Elongation factor G (EF-G) is involved in tRNA translocation on ribosomes during protein translation. Therefore, EF-G is a major focus of structural analysis and a valuable drug target of antibiotics. However, the crystal structure of Mtb EF-G1 is not yet available, and this has limited the design of inhibitors. Here, we report the crystal structure of Mtb EF-G1 in complex with GDP. The unique crystal form of the Mtb EF-G1-GDP complex provides an excellent platform for fragment-based screening using a crystallographic approach. Our findings provide a structure-based explanation for GDP recognition, and facilitate the identification of EF-G1 inhibitors with potential interest in the context of drug discovery.

  • Organizational Affiliation

    NHC Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, And Center for Tuberculosis Research, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Elongation factor G
A, B
710Mycobacterium tuberculosis H37RvMutation(s): 0 
Gene Names: fusARv0684MTCY210.01MTV040.12
Find proteins for P9WNM7 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Explore P9WNM7 
Go to UniProtKB:  P9WNM7
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP9WNM7
Sequence Annotations
  • Reference Sequence
Small Molecules
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
Query on MSE
A, B
Experimental Data & Validation

Experimental Data

  • Resolution: 3.00 Å
  • R-Value Free: 0.241 
  • R-Value Work: 0.206 
  • R-Value Observed: 0.208 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 101.543α = 90
b = 301.516β = 90
c = 145.865γ = 90
Software Package:
Software NamePurpose
SCALEPACKdata scaling
PDB_EXTRACTdata extraction
XDSdata reduction

Structure Validation

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Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
National Natural Science Foundation of China (NSFC)China81572005

Revision History  (Full details and data files)

  • Version 1.0: 2021-09-22
    Type: Initial release
  • Version 1.1: 2022-02-16
    Changes: Database references