1B3N

BETA-KETOACYL CARRIER PROTEIN SYNTHASE AS A DRUG TARGET, IMPLICATIONS FROM THE CRYSTAL STRUCTURE OF A COMPLEX WITH THE INHIBITOR CERULENIN.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.65 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.213 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structure of the complex between the antibiotic cerulenin and its target, beta-ketoacyl-acyl carrier protein synthase.

Moche, M.Schneider, G.Edwards, P.Dehesh, K.Lindqvist, Y.

(1999) J.Biol.Chem. 274: 6031-6034


  • PubMed Abstract: 
  • In the biosynthesis of fatty acids, the beta-ketoacyl-acyl carrier protein (ACP) synthases catalyze chain elongation by the addition of two-carbon units derived from malonyl-ACP to an acyl group bound to either ACP or CoA. The enzyme is a possible dr ...

    In the biosynthesis of fatty acids, the beta-ketoacyl-acyl carrier protein (ACP) synthases catalyze chain elongation by the addition of two-carbon units derived from malonyl-ACP to an acyl group bound to either ACP or CoA. The enzyme is a possible drug target for treatment of certain cancers and for tuberculosis. The crystal structure of the complex of the enzyme from Escherichia coli, and the fungal mycotoxin cerulenin reveals that the inhibitor is bound in a hydrophobic pocket formed at the dimer interface. Cerulenin is covalently attached to the active site cysteine through its C2 carbon atom. The fit of the inhibitor to the active site is not optimal, and there is thus room for improvement through structure based design.


    Organizational Affiliation

    Department of Medical Biochemistry and Biophysics, Doktorsringen 9A1, Karolinska Institutet, S-171 77 Stockholm, Sweden.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
PROTEIN (KETOACYL ACYL CARRIER PROTEIN SYNTHASE 2)
A
412Escherichia coli (strain K12)Gene Names: fabF (fabJ)
EC: 2.3.1.179
Find proteins for P0AAI5 (Escherichia coli (strain K12))
Go to UniProtKB:  P0AAI5
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CER
Query on CER

Download SDF File 
Download CCD File 
A
(2S, 3R)-3-HYDROXY-4-OXO-7,10-TRANS,TRANS-DODECADIENAMIDE
CERULENIN
C12 H19 N O3
QEPYZBPOTYDXNA-FECJWDPASA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.65 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.213 
  • Space Group: P 31 2 1
Unit Cell:
Length (Å)Angle (°)
a = 76.394α = 90.00
b = 76.394β = 90.00
c = 147.675γ = 120.00
Software Package:
Software NamePurpose
CCP4data scaling
SIGMAAphasing
SIGMAAmodel building
REFMACrefinement
DENZOdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1999-04-06
    Type: Initial release
  • Version 1.1: 2007-10-16
    Type: Version format compliance
  • Version 1.2: 2011-07-13
    Type: Derived calculations, Source and taxonomy, Version format compliance