5CNH

X-ray structure of perdeuterated wild-type TTR at 1.42A resolution


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.42 Å
  • R-Value Free: 0.198 
  • R-Value Work: 0.152 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Impact of Deuteration on the Assembly Kinetics of Transthyretin Monitored by Native Mass Spectrometry and Implications for Amyloidoses.

Yee, A.W.Moulin, M.Breteau, N.Haertlein, M.Mitchell, E.P.Cooper, J.B.Boeri Erba, E.Forsyth, V.T.

(2016) Angew.Chem.Int.Ed.Engl. 55: 9292-9296

  • DOI: 10.1002/anie.201602747
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • It is well established that the formation of transthyretin (TTR) amyloid fibrils is linked to the destabilization and dissociation of its tetrameric structure into insoluble aggregates. Isotope labeling is used for the study of TTR by NMR, neutron di ...

    It is well established that the formation of transthyretin (TTR) amyloid fibrils is linked to the destabilization and dissociation of its tetrameric structure into insoluble aggregates. Isotope labeling is used for the study of TTR by NMR, neutron diffraction, and mass spectrometry (MS). Here MS, thioflavin T fluorescence, and crystallographic data demonstrate that while the X-ray structures of unlabeled and deuterium-labeled TTR are essentially identical, subunit exchange kinetics and amyloid formation are accelerated for the deuterated protein. However, a slower subunit exchange is noted in deuterated solvent, reflecting the poorer solubility of non-polar protein side chains in such an environment. These observations are important for the interpretation of kinetic studies involving deuteration. The destabilizing effects of TTR deuteration are rather similar in character to those observed for aggressive mutations of TTR such as L55P (associated with familial amyloid polyneuropathy).


    Organizational Affiliation

    Life Sciences group, ILL, 71 avenue des Martyrs, 38042, Grenoble, France.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Transthyretin
A, B
130Homo sapiensGene Names: TTR (PALB)
Find proteins for P02766 (Homo sapiens)
Go to Gene View: TTR
Go to UniProtKB:  P02766
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.42 Å
  • R-Value Free: 0.198 
  • R-Value Work: 0.152 
  • Space Group: P 21 21 2
Unit Cell:
Length (Å)Angle (°)
a = 42.640α = 90.00
b = 85.793β = 90.00
c = 64.158γ = 90.00
Software Package:
Software NamePurpose
MOLREPphasing
SCALAdata scaling
MxCuBEdata collection
XDSdata reduction
REFMACrefinement
Cootmodel building

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2016-07-06
    Type: Initial release
  • Version 1.1: 2016-08-10
    Type: Database references