8E7H | pdb_00008e7h

Cryo-EM structure of cardiac amyloid fibril from a wild-type amyloidosis patient

• PDB DOI: https://doi.org/10.2210/pdb8E7H/pdb
• EM Map EMD-26691: EMDB EMDataResource

• Classification: PROTEIN FIBRIL
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 2022-08-23 Released: 2023-08-30 
• Deposition Author(s): Nguyen, B.A., Saelices, L.
• Funding Organization(s): National Institutes of Health/Eunice Kennedy Shriver National Institute of Child Health & Human Development (NIH/NICHD), American Heart Association

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.70 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

Cryo-EM confirms a common fibril fold in the heart of four patients with ATTRwt amyloidosis

Nguyen, B.A., Singh, V., Afrin, S., Singh, P., Pekala, M., Ahmed, Y., Pedretti, R., Canepa, J., Lemoff, A., Kluve-Beckerman, B., Wydorski, P.M., Chhapra, F., Saelices, L.

(2024) Commun Biol 7: 905

• DOI: https://doi.org/10.1038/s42003-024-06588-6

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 5-mer - A5 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 79.52 kDa 
• Atom Count: 3,535 
• Modeled Residue Count: 450 
• Deposited Residue Count: 735 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transthyretin	A, B, C, D, E	147	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

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.70 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	RELION	3.1

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-08-30 
Deposition Author(s): Nguyen, B.A., Saelices, L.

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Funding Organization	Location	Grant Number
National Institutes of Health/Eunice Kennedy Shriver National Institute of Child Health & Human Development (NIH/NICHD)	United States	1DP2HL163810-01
American Heart Association	United States	847236

Revision History  

• Version 1.0: 2023-08-30
  Type: Initial release
  
• Version 1.1: 2025-03-12
  Changes: Database references, Structure summary