1OB2

E. coli elongation factor EF-Tu complexed with the antibiotic kirromycin, a GTP analog, and Phe-tRNA


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.35 Å
  • R-Value Free: 0.265 
  • R-Value Work: 0.220 
  • R-Value Observed: 0.220 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 2.1 of the entry. See complete history


Literature

Kirromycin Defines a Specific Domain Arrangement of Elongation Factor EF-TU

Nielsen, R.C.Kristensen, O.Kjeldgaard, M.Thirup, S.Nissen, P.

To be published.

Macromolecules

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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
ELONGATION FACTOR TU393Escherichia coli BL21Mutation(s): 0 
EC: 3.6.1.48
UniProt
Find proteins for P0CE48 (Escherichia coli (strain K12))
Explore P0CE48 
Go to UniProtKB:  P0CE48
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0CE48
Sequence Annotations
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  • Reference Sequence
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Entity ID: 2
MoleculeChains LengthOrganismImage
TRANSFER-RNA, PHE77Saccharomyces cerevisiae
Sequence Annotations
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  • Reference Sequence
Oligosaccharides

Help

Entity ID: 3
MoleculeChains Length2D Diagram Glycosylation3D Interactions
beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose
C
2N/A
Glycosylation Resources
GlyTouCan:  G05551OP
GlyCosmos:  G05551OP
Small Molecules
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
PHA
Query on PHA
B
L-PEPTIDE LINKINGC9 H11 N OPHE
Biologically Interesting Molecules (External Reference) 1 Unique
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.35 Å
  • R-Value Free: 0.265 
  • R-Value Work: 0.220 
  • R-Value Observed: 0.220 
  • Space Group: P 41 3 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 196.41α = 90
b = 196.41β = 90
c = 196.41γ = 90
Software Package:
Software NamePurpose
CNSrefinement
DENZOdata reduction
Agrovatadata scaling
AMoREphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2004-05-27
    Type: Initial release
  • Version 1.1: 2012-11-14
    Changes: Database references, Derived calculations, Non-polymer description, Other, Refinement description, Structure summary, Version format compliance
  • Version 1.2: 2015-08-19
    Changes: Atomic model, Derived calculations, Non-polymer description, Other, Structure summary
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Other, Structure summary
  • Version 2.1: 2023-12-13
    Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary