5ND5

Crystal structure of transketolase from Chlamydomonas reinhardtii in complex with TPP and Mg2+


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.74 Å
  • R-Value Free: 0.186 
  • R-Value Work: 0.145 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Structural basis for the magnesium-dependent activation of transketolase from Chlamydomonas reinhardtii.

Pasquini, M.Fermani, S.Tedesco, D.Sciabolini, C.Crozet, P.Naldi, M.Henri, J.Vothknecht, U.Bertucci, C.Lemaire, S.D.Zaffagnini, M.Francia, F.

(2017) Biochim. Biophys. Acta 1861: 2132-2145

  • DOI: 10.1016/j.bbagen.2017.05.021
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • In photosynthetic organisms, transketolase (TK) is involved in the Calvin-Benson cycle and participates to the regeneration of ribulose-5-phosphate. Previous studies demonstrated that TK catalysis is strictly dependent on thiamine pyrophosphate (TPP) ...

    In photosynthetic organisms, transketolase (TK) is involved in the Calvin-Benson cycle and participates to the regeneration of ribulose-5-phosphate. Previous studies demonstrated that TK catalysis is strictly dependent on thiamine pyrophosphate (TPP) and divalent ions such as Mg2+.


    Organizational Affiliation

    Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Transketolase
A, B
692Chlamydomonas reinhardtiiMutation(s): 0 
Gene Names: TRK1
EC: 2.2.1.1
Find proteins for A8IAN1 (Chlamydomonas reinhardtii)
Go to UniProtKB:  A8IAN1
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
TPP
Query on TPP

Download SDF File 
Download CCD File 
A, B
THIAMINE DIPHOSPHATE
C12 H19 N4 O7 P2 S
AYEKOFBPNLCAJY-UHFFFAOYSA-O
 Ligand Interaction
MG
Query on MG

Download SDF File 
Download CCD File 
A, B
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.74 Å
  • R-Value Free: 0.186 
  • R-Value Work: 0.145 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 201.489α = 90.00
b = 75.930β = 109.99
c = 103.759γ = 90.00
Software Package:
Software NamePurpose
REFMACrefinement
XDSdata reduction
MOLREPphasing
Aimlessdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
University of Bologna, Alma Mater StudiourumItalyFARB2012

Revision History 

  • Version 1.0: 2017-06-07
    Type: Initial release
  • Version 1.1: 2017-06-28
    Type: Database references