1EK4

BETA-KETOACYL [ACYL CARRIER PROTEIN] SYNTHASE I IN COMPLEX WITH DODECANOIC ACID TO 1.85 RESOLUTION


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.196 
  • R-Value Work: 0.173 

wwPDB Validation 3D Report Full Report


This is version 1.5 of the entry. See complete history


Literature

Structures of beta-ketoacyl-acyl carrier protein synthase I complexed with fatty acids elucidate its catalytic machinery.

Olsen, J.G.Kadziola, A.von Wettstein-Knowles, P.Siggaard-Andersen, M.Larsen, S.

(2001) Structure 9: 233-243

  • DOI: 10.1016/s0969-2126(01)00583-4
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • beta-ketoacyl-acyl carrier protein synthase (KAS) I is vital for the construction of the unsaturated fatty acid carbon skeletons characterizing E. coli membrane lipids. The new carbon-carbon bonds are created by KAS I in a Claisen condensation perfor ...

    beta-ketoacyl-acyl carrier protein synthase (KAS) I is vital for the construction of the unsaturated fatty acid carbon skeletons characterizing E. coli membrane lipids. The new carbon-carbon bonds are created by KAS I in a Claisen condensation performed in a three-step enzymatic reaction. KAS I belongs to the thiolase fold enzymes, of which structures are known for five other enzymes.


    Related Citations: 
    • The X-ray crystal structure of beta-ketoacyl [acyl carrier protein] synthase I
      Olsen, J.G., Kadziola, A., von Wettstein-Knowles, P., Siggaard-Andersen, M., Lindquist, Y., Larsen, S.
      (1999) FEBS Lett 460: 46

    Organizational Affiliation

    Centre for Crystallographic Studies, University of Copenhagen, DK-2100, Denmark.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
BETA-KETOACYL [ACYL CARRIER PROTEIN] SYNTHASE IA, B, C, D418Escherichia coliMutation(s): 1 
EC: 2.3.1.41
Find proteins for P0A953 (Escherichia coli (strain K12))
Explore P0A953 
Go to UniProtKB:  P0A953
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
DAO
Query on DAO

Download CCD File 
A, B, C, D
LAURIC ACID
C12 H24 O2
POULHZVOKOAJMA-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.196 
  • R-Value Work: 0.173 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 59.64α = 90
b = 142.26β = 90
c = 213.74γ = 90
Software Package:
Software NamePurpose
CNSrefinement
MAR345data collection
SCALEPACKdata scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2001-04-11
    Type: Initial release
  • Version 1.1: 2008-04-27
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2017-10-04
    Changes: Data collection, Refinement description
  • Version 1.4: 2018-02-14
    Changes: Experimental preparation
  • Version 1.5: 2018-03-14
    Changes: Database references