2PFF

Structural Insights of Yeast Fatty Acid Synthase

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 4.00 Å
  • R-Value Free: 0.346 
  • R-Value Work: 0.319 

wwPDB Validation   3D Report Full Report


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


Literature

Structural Insights of Yeast Fatty Acid Synthase

Xiong, Y., Lomakin, I.B., Steitz, T.A.

(2007) Cell 129: 319-332

  • DOI: 10.1016/j.cell.2007.03.013
  • Primary Citation of Related Structures:  
    2PFF

  • PubMed Abstract: 

    • In yeast, the whole metabolic pathway for making 16- and 18-carbon fatty acids is carried out by fatty acid synthase, a 2.6 megadalton molecular-weight macromolecular assembly containing six copies of all eight catalytic centers. We have determined its crystal structure, which illuminates how this enzyme is initially activated and then carries out multiple steps of synthesis in each of six sterically isolated reaction chambers ...

    In yeast, the whole metabolic pathway for making 16- and 18-carbon fatty acids is carried out by fatty acid synthase, a 2.6 megadalton molecular-weight macromolecular assembly containing six copies of all eight catalytic centers. We have determined its crystal structure, which illuminates how this enzyme is initially activated and then carries out multiple steps of synthesis in each of six sterically isolated reaction chambers. Six of the catalytic sites are in the wall of the assembly facing an acyl carrier protein (ACP) bound to the ketoacyl synthase domain. Two-dimensional diffusion of substrates to the catalytic sites may be achieved by the electrostatically negative ACP swinging to each of the six electrostatically positive catalytic sites. The phosphopantetheinyl transferase domain lies outside the shell of the assembly, inaccessible to ACP that lies inside, suggesting that the attachment of the pantetheine arm to ACP must occur before complete assembly of the complex.

    Organizational Affiliation: 

    Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06520-8114, USA.



Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Fatty acid synthase subunit alphaA, D, G1688Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.3.1.86 (PDB Primary Data), 1.1.1.100 (UniProt), 2.3.1.41 (UniProt)
UniProt
Find proteins for P19097 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P19097 
Go to UniProtKB:  P19097
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP19097
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by: 
(by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
Fatty acid synthase subunit betaB, E, H2006Saccharomyces cerevisiaeMutation(s): 0 
EC: 2.3.1.86 (PDB Primary Data), 4.2.1.59 (UniProt), 1.3.1.9 (UniProt), 2.3.1.38 (UniProt), 2.3.1.39 (UniProt), 3.1.2.14 (UniProt)
UniProt
Find proteins for P07149 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c))
Explore P07149 
Go to UniProtKB:  P07149
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP07149
Protein Feature View
Expand
  • Reference Sequence
Find similar proteins by: 
(by identity cutoff)  |  3D Structure
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Tail proteinC, F, I65N/AMutation(s): 0 
Protein Feature View
Expand
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 4.00 Å
  • R-Value Free: 0.346 
  • R-Value Work: 0.319 
  • Space Group: P 43 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 231.343α = 90
b = 231.343β = 90
c = 754.288γ = 90
Software Package:
Software NamePurpose
HKL-2000data collection
PHASERphasing
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



View more in-depth experimental data

Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2007-07-10
    Type: Initial release
  • Version 1.1: 2008-05-01
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Derived calculations, Version format compliance