3IM8

Crystal structure of MCAT from Streptococcus pneumoniae


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.212 
  • R-Value Observed: 0.215 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

New design platform for malonyl-CoA-acyl carrier protein transacylase

Hong, S.K.Kim, K.H.Park, J.K.Jeong, K.-W.Kim, Y.M.Kim, E.E.

(2010) FEBS Lett 584: 1240-1244

  • DOI: 10.1016/j.febslet.2010.02.038
  • Primary Citation of Related Structures:  
    3IM8, 3IM9

  • PubMed Abstract: 
  • Malonyl-CoA-acyl carrier protein transacylase (MCAT) transfers the malonyl group from malonyl-CoA to holo-acyl carrier protein (ACP), and since malonyl-ACP is a key building block for fatty-acid biosynthesis it is considered as a promising antibacterial target ...

    Malonyl-CoA-acyl carrier protein transacylase (MCAT) transfers the malonyl group from malonyl-CoA to holo-acyl carrier protein (ACP), and since malonyl-ACP is a key building block for fatty-acid biosynthesis it is considered as a promising antibacterial target. The crystal structures of MCAT from Staphylococcus aureus and Streptococcus pneumoniae have been determined at 1.46 and 2.1A resolution, respectively. In the SaMCAT structure, the N-terminal expression peptide of a neighboring molecule running in the opposite direction of malonyl-CoA makes extensive interactions with the highly conserved "Gly-Gln-Gly-Ser-Gln" stretch, suggesting a new design platform. Mutagenesis results suggest that Ser91 and His199 are the catalytic dyad.


    Organizational Affiliation

    Korea Institute of Science and Technology, Life Sciences Division, Seoul, Republic of Korea.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Malonyl acyl carrier protein transacylaseA307Streptococcus pneumoniae R6Mutation(s): 0 
Gene Names: fabDspr0380
EC: 2.3.1.39
UniProt
Find proteins for Q8DR16 (Streptococcus pneumoniae (strain ATCC BAA-255 / R6))
Explore Q8DR16 
Go to UniProtKB:  Q8DR16
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
ACT
Query on ACT

Download Ideal Coordinates CCD File 
B [auth A]ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.270 
  • R-Value Work: 0.212 
  • R-Value Observed: 0.215 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 48.263α = 90
b = 63.508β = 90
c = 89.892γ = 90
Software Package:
Software NamePurpose
d*TREKdata scaling
CNSrefinement
REFMACrefinement
PDB_EXTRACTdata extraction
CrystalCleardata collection
d*TREKdata reduction
CNSphasing

Structure Validation

View Full Validation Report




Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-06-16
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance