1ETU

STRUCTURAL DETAILS OF THE BINDING OF GUANOSINE DIPHOSPHATE TO ELONGATION FACTOR TU FROM E. COLI AS STUDIED BY X-RAY CRYSTALLOGRAPHY

• PDB DOI: https://doi.org/10.2210/pdb1ETU/pdb

• Classification: TRANSPORT AND PROTECTION PROTEIN
• Organism(s): Escherichia coli K-12
• Mutation(s): No 


• Deposited: 1988-01-15 Released: 1988-07-16 
• Deposition Author(s): Clark, B.F.C., Lacour, T.F.M., Kjeldgaard, M., Morikawa, K., Nyborg, J., Rubin, R., Thirup, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å

Literature

Structural details of the binding of guanosine diphosphate to elongation factor Tu from E. coli as studied by X-ray crystallography.

la Cour, T.F., Nyborg, J., Thirup, S., Clark, B.F.

(1985) EMBO J 4: 2385-2388

• PubMed: 3908095 
• DOI: https://doi.org/10.1002/j.1460-2075.1985.tb03943.x
• Primary Citation of Related Structures:  
  1ETU


• PubMed Abstract: 
  

  Structural details of the guanosine diphosphate binding to a modified form of elongation factor Tu from Escherichia coli, resulting from X-ray crystallographic studies, are reported. The protein elements that take part in the nucleotide binding are located in four loops connecting beta-strands with alpha-helices. These loops correspond to regions in primary sequences which show a high degree of homology when compared with other prokaryotic and eukaryotic elongation factors and initiation factor 2.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 43.68 kDa 
• Atom Count: 1,395 
• Modelled Residue Count: 177 
• Deposited Residue Count: 393 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ELONGATION FACTOR TU	A	393	Escherichia coli K-12	Mutation(s): 0
UniProt
Find proteins for P0CE47 (Escherichia coli (strain K12)) Explore P0CE47  Go to UniProtKB:  P0CE47

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GDP	C [auth A]	GUANOSINE-5'-DIPHOSPHATE C10 H15 N5 O11 P2 QGWNDRXFNXRZMB-UUOKFMHZSA-N
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 98.2	α = 90
b = 100.8	β = 90
c = 160.8	γ = 90

Structure Validation

Entry History 

Deposition Data

• Released Date: 1988-07-16 
Deposition Author(s): Clark, B.F.C., Lacour, T.F.M., Kjeldgaard, M., Morikawa, K., Nyborg, J., Rubin, R., Thirup, S.

Revision History  

• Version 1.0: 1988-07-16
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-06-05
  Changes: Data collection, Database references, Derived calculations, Other