4PWG

Crystal structure of V30M mutant human transthyretin complexed with caffeic acid ethyl ester


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.798 Å
  • R-Value Free: 0.243 
  • R-Value Work: 0.189 

wwPDB Validation 3D Report Full Report


This is version 1.0 of the entry. See complete history

Literature

Inhibitory Activities of Propolis and Its Promising Component, Caffeic Acid Phenethyl Ester, against Amyloidogenesis of Human Transthyretin

Yokoyama, T.Kosaka, Y.Mizuguchi, M.

(2014) J.Med.Chem. 57: 8928-8935

  • DOI: 10.1021/jm500997m
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Transthyretin (TTR) is a homotetrameric serum protein associated with amyloidoses such as familial amyloid polyneuropathy and senile systemic amyloidosis. The amyloid fibril formation of TTR can be inhibited through stabilization of the TTR tetramer ...

    Transthyretin (TTR) is a homotetrameric serum protein associated with amyloidoses such as familial amyloid polyneuropathy and senile systemic amyloidosis. The amyloid fibril formation of TTR can be inhibited through stabilization of the TTR tetramer by the binding of small molecules. In this study, we examined the inhibitory potency of caffeic acid phenethyl ester (CAPE) and its derivatives. Thioflavin T assay showed that CAPE suppressed the amyloid fibril formation of TTR. Comparative analysis of the inhibitory potencies revealed that phenethyl ferulate was the most potent among the CAPE derivatives. The binding of phenethyl ferulate and the selected compounds to TTR were confirmed by the 8-anilino-1-naphthalenesulfonic acid displacement and X-ray crystallography. It was also demonstrated that Bio 30, which is a CAPE-rich commercially available New Zealand propolis, inhibited TTR amyloidogenesis and stabilized the TTR tetramer. These results suggested that a propolis may be efficient for preventing TTR amyloidosis.


    Organizational Affiliation

    Faculty of Pharmaceutical Sciences, University of Toyama , 2630 Sugitani, Toyama 930-0914, Japan.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Transthyretin
A, B
159Homo sapiensMutations: V62M
Gene Names: TTR (PALB)
Find proteins for P02766 (Homo sapiens)
Go to Gene View: TTR
Go to UniProtKB:  P02766
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CA
Query on CA

Download SDF File 
Download CCD File 
A
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
0XR
Query on 0XR

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Download CCD File 
A, B
ethyl (2E)-3-(3,4-dihydroxyphenyl)prop-2-enoate
ethyl caffeate
C11 H12 O4
WDKYDMULARNCIS-GQCTYLIASA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
0XREC50: 23000 nM (99) BINDINGDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.798 Å
  • R-Value Free: 0.243 
  • R-Value Work: 0.189 
  • Space Group: P 21 21 2
Unit Cell:
Length (Å)Angle (°)
a = 43.190α = 90.00
b = 85.541β = 90.00
c = 63.771γ = 90.00
Software Package:
Software NamePurpose
HKL-2000data reduction
PHENIXphasing
PHENIXrefinement
SCALEPACKdata scaling
HKL-2000data collection
PHENIXmodel building

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2014-11-26
    Type: Initial release