4TLU

Crystal Structure of Human Transthyretin Ala108Trp Mutant

• PDB DOI: https://doi.org/10.2210/pdb4TLU/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2014-05-30 Released: 2015-12-30 
• Deposition Author(s): Saelices, L., Cascio, D., Sawaya, M., Eisenberg, D.S.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.213 
• R-Value Work: 0.208 
• R-Value Observed: 0.208 

Literature

Crystal Structure of Human Transthyretin Ala108Trp Mutant

Saelices, L., Cascio, D., Sawaya, M., Eisenberg, D.S.

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: 28.2 kDa 
• Atom Count: 1,877 
• Modelled Residue Count: 230 
• Deposited Residue Count: 250 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transthyretin	A, B	125	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
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
OCS	A, B	L-PEPTIDE LINKING	C3 H7 N O5 S		CYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.213 
• R-Value Work: 0.208 
• R-Value Observed: 0.208 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.7	α = 90
b = 85.57	β = 90
c = 63.73	γ = 90

Software Package:

Software Name	Purpose
PDB_EXTRACT	data extraction
BUSTER	refinement
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-12-30 
Deposition Author(s): Saelices, L., Cascio, D., Sawaya, M., Eisenberg, D.S.

Revision History  

• Version 1.0: 2015-12-30
  Type: Initial release
  
• Version 1.1: 2017-11-22
  Changes: Advisory, Derived calculations, Refinement description
• Version 1.2: 2023-12-27
  Changes: Advisory, Data collection, Database references