1H3M

Structure of 4-diphosphocytidyl-2C-methyl-D-erythritol synthetase


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.40 Å
  • R-Value Free: 0.333 
  • R-Value Work: 0.237 
  • R-Value Observed: 0.241 

Starting Model: experimental
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This is version 1.4 of the entry. See complete history


Literature

Structure of a Tetragonal Crystal Form of Escherichia Coli 2-C-Methyl-D-Erythritol 4-Phosphate Cytidylyltransferase

Kemp, L.E.Bond, C.S.Hunter, W.N.

(2003) Acta Crystallogr D Biol Crystallogr 59: 607

  • DOI: https://doi.org/10.1107/s090744490202365x
  • Primary Citation of Related Structures:  
    1H3M

  • PubMed Abstract: 

    2-C-Methyl-D-erythritol 4-phosphate cytidylyltransferase is an essential enzyme in the mevalonate-independent pathway of isoprenoid biosynthesis. The structure of a tetragonal crystal form has been solved by molecular replacement and refined to 2.4 A resolution. Structure and sequence comparisons suggest that the enzyme is a suitable target for a structure-based approach to the development of novel broad-spectrum antibiotics. However, the absence of ligands in the enzyme active site together with the moderate resolution of the structure indicates that this tetragonal crystal form is inferior to that of a previously reported highly ordered monoclinic form [Richard et al. (2001), Nature Struct. Biol. 8, 641-647].


  • Organizational Affiliation

    Division of Biological Chemistry and Molecular Microbiology, School of Life Sciences, University of Dundee, Dundee DD1 5EH, Scotland.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
2-C-METHYL-D-ERYTHRITOL 4-PHOSPHATE CYTIDYLYLTRANSFERASE
A, B
235Escherichia coli BL21(DE3)Mutation(s): 1 
EC: 2.7.7.60
UniProt
Find proteins for Q46893 (Escherichia coli (strain K12))
Explore Q46893 
Go to UniProtKB:  Q46893
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ46893
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.40 Å
  • R-Value Free: 0.333 
  • R-Value Work: 0.237 
  • R-Value Observed: 0.241 
  • Space Group: P 41 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 73.604α = 90
b = 73.604β = 90
c = 175.562γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2003-08-01
    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
  • Version 1.4: 2024-11-13
    Changes: Structure summary