4ACT

CRYSTAL STRUCTURE OF TRANSTHYRETIN IN COMPLEX WITH LIGAND C-17

• PDB DOI: https://doi.org/10.2210/pdb4ACT/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2011-12-19 Released: 2012-12-05 
• Deposition Author(s): Tomar, D., Khan, T., Singh, R.R., Mishra, S., Gupta, S., Surolia, A., Salunke, D.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.265 
• R-Value Work: 0.219 
• R-Value Observed: 0.223 

Starting Model: experimental

Literature

Crystallographic Study of Novel Transthyretin Inhibitors: Unique Mechanism of Negative-Cooperativity between Two T4 Binding Sites

Tomar, D., Khan, T., Singh, R.R., Mishra, S., Gupta, S., Surolia, A., Salunke, D.M.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 27.98 kDa 
• Atom Count: 1,955 
• Modelled Residue Count: 231 
• Deposited Residue Count: 254 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TRANSTHYRETIN	A, B	127	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P02766 (Homo sapiens) Explore P02766  Go to UniProtKB:  P02766
PHAROS:  P02766 GTEx:  ENSG00000118271

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FT0	C [auth A], D [auth B]	3-hydroxy-4-phenoxybenzaldehyde C13 H10 O3 MYXBTODVMFBVIC-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.265 
• R-Value Work: 0.219 
• R-Value Observed: 0.223 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.786	α = 90
b = 43	β = 90
c = 64.165	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-12-05 
Deposition Author(s): Tomar, D., Khan, T., Singh, R.R., Mishra, S., Gupta, S., Surolia, A., Salunke, D.M.

Revision History  

• Version 1.0: 2012-12-05
  Type: Initial release
  
• Version 1.1: 2019-01-30
  Changes: Data collection, Derived calculations, Experimental preparation, Other
• Version 1.2: 2019-02-06
  Changes: Data collection, Experimental preparation
• Version 1.3: 2019-07-17
  Changes: Data collection, Derived calculations
• Version 1.4: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description