1EXM

CRYSTAL STRUCTURE OF THERMUS THERMOPHILUS ELONGATION FACTOR TU (EF-TU) IN COMPLEX WITH THE GTP ANALOGUE GPPNHP.

• PDB DOI: https://doi.org/10.2210/pdb1EXM/pdb

• Classification: TRANSLATION
• Organism(s): Thermus thermophilus
• Mutation(s): No 


• Deposited: 2000-05-03 Released: 2000-06-07 
• Deposition Author(s): Hogg, T., Mesters, J.R., Hilgenfeld, R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.243 
• R-Value Work: 0.209 
• R-Value Observed: 0.209 

Literature

Insights into the GTPase Mechanism of EF-Tu from Structural Studies

Hilgenfeld, R., Mesters, J.R., Hogg, T.

(2000) The Ribosome: Structure, Function, Antibiotics, And Cellular Interactions 28: 347-357

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 45.26 kDa 
• Atom Count: 3,463 
• Modelled Residue Count: 403 
• Deposited Residue Count: 405 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ELONGATION FACTOR TU (EF-TU)	A	405	Thermus thermophilus	Mutation(s): 0
UniProt
Find proteins for P60338 (Thermus thermophilus) Explore P60338  Go to UniProtKB:  P60338

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GNP	C [auth A]	PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER C10 H17 N6 O13 P3 UQABYHGXWYXDTK-UUOKFMHZSA-N
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.243 
• R-Value Work: 0.209 
• R-Value Observed: 0.209 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 150.5	α = 90
b = 99.5	β = 95.3
c = 40.2	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
CNS	refinement
MADNESS	data reduction
CCP4	data scaling
ROTAVATA	data scaling
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2000-06-07 
Deposition Author(s): Hogg, T., Mesters, J.R., Hilgenfeld, R.

Revision History  

• Version 1.0: 2000-06-07
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-10-04
  Changes: Advisory, Refinement description
• Version 1.4: 2018-01-31
  Changes: Experimental preparation
• Version 1.5: 2018-04-18
  Changes: Data collection
• Version 1.6: 2024-02-07
  Changes: Advisory, Data collection, Database references, Derived calculations