3OZK

Crystal structure of human transthyretin variant A25T in complex with thyroxine (T4)

• PDB DOI: https://doi.org/10.2210/pdb3OZK/pdb

• Classification: HORMONE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2010-09-25 Released: 2011-08-24 
• Deposition Author(s): Lima, L.M.T.R., Palmieri, L.C., Foguel, D., Palhano, F.L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.236 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 

Literature

Crystal structure of human transthyretin variant A25T in complex with thyroxine (T4)

Lima, L.M.T.R., Palmieri, L.C., Foguel, D., Palhano, F.L.

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 and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 29.17 kDa 
• Atom Count: 2,245 
• 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): 1  Gene Names: TTR, PALB
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
T44	C [auth A], D [auth B]	3,5,3',5'-TETRAIODO-L-THYRONINE C15 H11 I4 N O4 XUIIKFGFIJCVMT-LBPRGKRZSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
T44	BindingDB:  3OZK	IC50: min: 2188, max: 1.05e+4 (nM) from 3 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.236 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.13	α = 90
b = 85.31	β = 90
c = 64.34	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
REFMAC	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-08-24 
Deposition Author(s): Lima, L.M.T.R., Palmieri, L.C., Foguel, D., Palhano, F.L.

Revision History  

• Version 1.0: 2011-08-24
  Type: Initial release
  
• Version 2.0: 2023-11-15
  Changes: Atomic model, Data collection, Database references, Derived calculations