3MXZ

Crystal Structure of tubulin folding cofactor A from Arabidopsis thaliana


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.599 Å
  • R-Value Free: 0.208 
  • R-Value Work: 0.176 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Crystal structure of tubulin folding cofactor A from Arabidopsis thaliana and its beta-tubulin binding characterization

Lu, L.Nan, J.Mi, W.Li, L.F.Wei, C.H.Su, X.D.Li, Y.

(2010) Febs Lett. 584: 3533-3539

  • DOI: 10.1016/j.febslet.2010.07.017

  • PubMed Abstract: 
  • Microtubules are composed of polymerized alpha/beta-tubulin heterodimers. Biogenesis of assembly-competent tubulin dimers is a complex multistep process that requires sequential actions of distinct molecular chaperones and cofactors. Tubulin folding ...

    Microtubules are composed of polymerized alpha/beta-tubulin heterodimers. Biogenesis of assembly-competent tubulin dimers is a complex multistep process that requires sequential actions of distinct molecular chaperones and cofactors. Tubulin folding cofactor A (TFCA), which captures beta-tubulin during the folding pathway, has been identified in many organisms. Here, we report the crystal structure of Arabidopsis thaliana TFC A (KIESEL, KIS), which forms a monomeric three-helix bundle. The functional binding analysis demonstrated that KIS interacts with beta-tubulin in plant. Furthermore, mutagenesis studies indicated that the alpha-helical regions of KIS participate in beta-tubulin binding. Unlike the budding yeast TFC A, the two loop regions of KIS are not required for this interaction suggesting a distinct binding mechanism of TFC A to beta-tubulin in plants.


    Related Citations: 
    • Crystallization and preliminary X-ray analysis of tubulin-folding cofactor A from Arabidopsis thaliana
      Lu, L.,Nan, J.,Mi, W.,Wei, C.H.,Li, L.F.,Li, Y.
      (2010) Acta Crystallogr.,Sect.F 66: 954


    Organizational Affiliation

    The National Laboratory of Protein Engineering and Plant Genetic Engineering, College of Life Sciences, Peking University, Beijing 100871, China.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Tubulin-specific chaperone A
A
116Arabidopsis thalianaMutation(s): 0 
Gene Names: TFCA (KIS)
Find proteins for O04350 (Arabidopsis thaliana)
Go to UniProtKB:  O04350
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
NO3
Query on NO3

Download SDF File 
Download CCD File 
A
NITRATE ION
N O3
NHNBFGGVMKEFGY-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.599 Å
  • R-Value Free: 0.208 
  • R-Value Work: 0.176 
  • Space Group: I 41
Unit Cell:
Length (Å)Angle (°)
a = 54.974α = 90.00
b = 54.974β = 90.00
c = 67.419γ = 90.00
Software Package:
Software NamePurpose
HKL-2000data scaling
SCALEPACKdata scaling
PHENIXrefinement
DENZOdata reduction
MOLREPphasing
PDB_EXTRACTdata extraction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2010-09-01
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Version format compliance
  • Version 1.2: 2017-11-08
    Type: Refinement description