1W78

E.coli FolC in complex with DHPP and ADP

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.82 Å
  • R-Value Free: 0.203 
  • R-Value Work: 0.165 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history. 


Literature

Escherichia Coli Folc Structure Reveals an Unexpected Dihydrofolate Binding Site Providing an Attractive Target for Anti-Microbial Therapy

Mathieu, M., Debousker, G., Vincent, S., Viviani, F., Bamas-Jacques, N., Mikol, V.

(2005) J Biol Chem 280: 18916

  • DOI: 10.1074/jbc.M413799200
  • Primary Citation of Related Structures:  
    1W7K, 1W78

  • PubMed Abstract: 

    • In some bacteria, such as Escherichia coli, the addition of L-glutamate to dihydropteroate (dihydrofolate synthetase activity) and the subsequent additions of L-glutamate to tetrahydrofolate (folylpolyglutamate synthetase (FPGS) activity) are catalyz ...

    In some bacteria, such as Escherichia coli, the addition of L-glutamate to dihydropteroate (dihydrofolate synthetase activity) and the subsequent additions of L-glutamate to tetrahydrofolate (folylpolyglutamate synthetase (FPGS) activity) are catalyzed by the same enzyme, FolC. The crystal structure of E. coli FolC is described in this paper. It showed strong similarities to that of the FPGS enzyme of Lactobacillus casei within the ATP binding site and the catalytic site, as do all other members of the Mur synthethase superfamily. FolC structure revealed an unexpected dihydropteroate binding site very different from the folate site identified previously in the FPGS structure. The relevance of this site is exemplified by the presence of phosphorylated dihydropteroate, a reaction intermediate in the DHFS reaction. L. casei FPGS is considered a relevant model for human FPGS. As such, the presence of a folate binding site in E. coli FolC, which is different from the one seen in FPGS enzymes, provides avenues for the design of specific inhibitors of this enzyme in antimicrobial therapy.

    Organizational Affiliation: 

    Department of Structural Biology, Aventis Pharma, 13 Quai J. Guesde, F-94403 Vitry/Seine, France. magali.mathieu@sanofi-aventis.com



Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
FOLC BIFUNCTIONAL PROTEINA422Escherichia coliMutation(s): 0 
EC: 6.3.2.12 (PDB Primary Data), 6.3.2.17 (UniProt)
Find proteins for P08192 (Escherichia coli (strain K12))
Explore P08192 
Go to UniProtKB:  P08192
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ADP
Query on ADP
Download Ideal Coordinates CCD File 
A
ADENOSINE-5'-DIPHOSPHATE
C10 H15 N5 O10 P2
XTWYTFMLZFPYCI-KQYNXXCUSA-N		 Ligand Interaction
PD8
Query on PD8
Download Ideal Coordinates CCD File 
A
PHOSPHORYLATED DIHYDROPTEROATE
C14 H13 N6 O6 P
DNKVHXNVVYQUDC-UHFFFAOYSA-N		 Ligand Interaction
SO4
Query on SO4
Download Ideal Coordinates CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L		 Ligand Interaction
MG
Query on MG
Download Ideal Coordinates CCD File 
A
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N		 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
KCX
Query on KCX		AL-PEPTIDE LINKINGC7 H14 N2 O4LYS
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.82 Å
  • R-Value Free: 0.203 
  • R-Value Work: 0.165 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 64.368α = 90
b = 80.62β = 90
c = 92.829γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement
MOSFLMdata reduction
SCALAdata scaling
AMoREphasing

Structure Validation

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View more in-depth experimental data

Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2005-02-09
    Type: Initial release
  • Version 1.1: 2011-05-08
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance