4KY2

Transthyretin in complex with the fluorescent folding sensor (E)-7-hydroxy-3-(4-hydroxy-3,5-dimethylstyryl)-4-methyl-2H-chromen-2-one


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.13 Å
  • R-Value Free: 0.174 
  • R-Value Work: 0.161 
  • R-Value Observed: 0.162 

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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Bifunctional coumarin derivatives that inhibit transthyretin amyloidogenesis and serve as fluorescent transthyretin folding sensors.

Myung, N.Connelly, S.Kim, B.Park, S.J.Wilson, I.A.Kelly, J.W.Choi, S.

(2013) Chem Commun (Camb) 49: 9188-9190

  • DOI: 10.1039/c3cc44667k
  • Primary Citation of Related Structures:  
    4KY2

  • PubMed Abstract: 
  • We describe coumarin derivatives that are non-fluorescent in aqueous buffers and that very selectively bind to transthyretin (TTR) in complex biological environments potently inhibiting TTR amyloidogenesis while also exhibiting sensitive off-on fluorescent sensing of the properly folded quaternary structure of TTR ...

    We describe coumarin derivatives that are non-fluorescent in aqueous buffers and that very selectively bind to transthyretin (TTR) in complex biological environments potently inhibiting TTR amyloidogenesis while also exhibiting sensitive off-on fluorescent sensing of the properly folded quaternary structure of TTR.


    Organizational Affiliation

    Department of New Drug Discovery and Development, Chungnam National University, Daejon, 305-764, Republic of Korea.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
TransthyretinA, B127Homo sapiensMutation(s): 0 
Gene Names: TTRPALB
UniProt & NIH Common Fund Data Resources
Find proteins for P02766 (Homo sapiens)
Explore P02766 
Go to UniProtKB:  P02766
PHAROS:  P02766
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
1W3 (Subject of Investigation/LOI)
Query on 1W3

Download Ideal Coordinates CCD File 
C [auth A], D [auth B]7-hydroxy-3-[(E)-2-(4-hydroxy-3,5-dimethylphenyl)ethenyl]-4-methyl-2H-chromen-2-one
C20 H18 O4
YBZSRAYJXVITOB-GQCTYLIASA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.13 Å
  • R-Value Free: 0.174 
  • R-Value Work: 0.161 
  • R-Value Observed: 0.162 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 42.793α = 90
b = 85.646β = 90
c = 63.562γ = 90
Software Package:
Software NamePurpose
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
Blu-Icedata collection
PHASERphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment  



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2013-08-28
    Type: Initial release
  • Version 1.1: 2014-02-05
    Changes: Database references