7THA

Crystal structure of human transthyretin variant C10A/M13V

• PDB DOI: https://doi.org/10.2210/pdb7THA/pdb

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


• Deposited: 2022-01-10 Released: 2023-04-12 
• Deposition Author(s): Jaeger, M., Mortenson, D.E., Yan, N.L., Kelly, J.W.
• Funding Organization(s): National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.211 
• R-Value Work: 0.181 
• R-Value Observed: 0.183 

Starting Model: experimental

Literature

Lysine carbamylation competes with urea unfolding of human transthyretin introducing kinetic heterogeneity

Jaeger, M., Mortenson, D.E., Yan, N.L., Ardejani, M.S., Kelly, J.W.

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 27.55 kDa 
• Atom Count: 1,968 
• 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): 2  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
CA	C [auth A], D [auth B], E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.211 
• R-Value Work: 0.181 
• R-Value Observed: 0.183 
• Space Group: P 2₁ 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.602	α = 90
b = 64.509	β = 90
c = 85.919	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-04-12 
Deposition Author(s): Jaeger, M., Mortenson, D.E., Yan, N.L., Kelly, J.W.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)	United States	DK046335

Revision History  

• Version 1.0: 2023-04-12
  Type: Initial release
  
• Version 1.1: 2023-10-25
  Changes: Data collection, Refinement description