1OO2

Crystal structure of transthyretin from Sparus aurata


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.56 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.197 
  • R-Value Observed: 0.197 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Distinctive binding and structural properties of piscine transthyretin.

Folli, C.Pasquato, N.Ramazzina, I.Battistutta, R.Zanotti, G.Berni, R.

(2003) FEBS Lett 555: 279-284

  • DOI: 10.1016/s0014-5793(03)01248-1
  • Primary Citation of Related Structures:  
    1OO2

  • PubMed Abstract: 
  • The thyroid hormone binding protein transthyretin (TTR) forms a macromolecular complex with the retinol-specific carrier retinol binding protein (RBP) in the blood of higher vertebrates. Piscine TTR is shown here to exhibit high binding affinity for L-thyroxine and negligible affinity for RBP ...

    The thyroid hormone binding protein transthyretin (TTR) forms a macromolecular complex with the retinol-specific carrier retinol binding protein (RBP) in the blood of higher vertebrates. Piscine TTR is shown here to exhibit high binding affinity for L-thyroxine and negligible affinity for RBP. The 1.56 A resolution X-ray structure of sea bream TTR, compared with that of human TTR, reveals a high degree of conservation of the thyroid hormone binding sites. In contrast, some amino acid differences in discrete regions of sea bream TTR appear to be responsible for the lack of protein-protein recognition, providing evidence for the crucial role played by a limited number of residues in the interaction between RBP and TTR. Overall, this study makes it possible to draw conclusions on evolutionary relationships for RBPs and TTRs of phylogenetically distant vertebrates.


    Related Citations: 
    • A comparative analysis of 23 structures of the amyloidogenic protein transthyretin
      Hornberg, A., Eneqvist, T., Olofsson, A., Lundgren, E., Sauer-Eriksson, A.E.
      (2000) J Mol Biol 302: 649
    • Structure of a complex of two plasma proteins: transthyretin and retinol-binding protein
      Monaco, H.L., Rizzi, M., Coda, A.
      (1995) Science 268: 1039
    • The structure of human retinol-binding protein (RBP) with its carrier protein transthyretin reveals an interaction with the carboxy terminus of RBP
      Naylor, H., Newcomer, M.E.
      (1999) Biochemistry 38: 2647

    Organizational Affiliation

    Department of Biochemistry and Molecular Biology, University of Parma, Parco Area delle Scienze 23/A, 43100 Parma, Italy.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
transthyretin ABCD119Sparus aurataMutation(s): 0 
Gene Names: TTR
Find proteins for Q9PTT3 (Sparus aurata)
Explore Q9PTT3 
Go to UniProtKB:  Q9PTT3
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CD
Query on CD

Download Ideal Coordinates CCD File 
C
CADMIUM ION
Cd
WLZRMCYVCSSEQC-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.56 Å
  • R-Value Free: 0.224 
  • R-Value Work: 0.197 
  • R-Value Observed: 0.197 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 96.452α = 90
b = 65.622β = 97.4
c = 70.834γ = 90
Software Package:
Software NamePurpose
SHELXmodel building
SHELXL-97refinement
MOSFLMdata reduction
CCP4data scaling
AMoREphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2004-01-20
    Type: Initial release
  • Version 1.1: 2008-04-29
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance