2JA2 | pdb_00002ja2

Mycobacterium tuberculosis glutamyl-tRNA synthetase

• PDB DOI: https://doi.org/10.2210/pdb2JA2/pdb

• Classification: LIGASE
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-11-20 Released: 2008-10-28 
• Deposition Author(s): Bourenkov, G.P., Strizhov, N., Shkolnaya, L.A., Bruning, M., Bartunik, H.D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free: 
  0.251 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.206 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.208 (Depositor) 

Starting Model: experimental

Literature

Structural Basis for Discriminating or Non-Discriminating Functioning of Glutamyl-tRNA Synthetases

Bourenkov, G.P., Bruning, M., Strizhov, N., Shkolnaya, L.A., Bartunik, H.D.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 55.1 kDa 
• Atom Count: 4,256 
• Modeled Residue Count: 485 
• Deposited Residue Count: 498 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GLUTAMYL-TRNA SYNTHETASE	A	498	Mycobacterium tuberculosis H37Rv	Mutation(s): 0  EC: 6.1.1.17
UniProt
Find proteins for P9WFV9 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WFV9  Go to UniProtKB:  P9WFV9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACT	B [auth A]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.65 Å
• R-Value Free:  0.251 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.206 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.208 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 50.13	α = 90
b = 61.483	β = 90
c = 169.547	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-10-28 
Deposition Author(s): Bourenkov, G.P., Strizhov, N., Shkolnaya, L.A., Bruning, M., Bartunik, H.D.

Revision History  

• Version 1.0: 2008-10-28
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Other, Refinement description