7RL4

Cryo-EM structure of human PrP23-144 amyloid fibrils

• PDB DOI: https://doi.org/10.2210/pdb7RL4/pdb
• EM Map EMD-24514: EMDB EMDataResource

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


• Deposited: 2021-07-23 Released: 2022-07-27 
• Deposition Author(s): Li, Q., Surewicz, W.K.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.86 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

Cryo-EM structure of disease-related prion fibrils provides insights into seeding barriers.

Li, Q., Jaroniec, C.P., Surewicz, W.K.

(2022) Nat Struct Mol Biol 29: 962-965

• PubMed: 36097290 
• DOI: https://doi.org/10.1038/s41594-022-00833-4
• Primary Citation of Related Structures:  
  7RL4, 8DJA


• PubMed Abstract: 
  

  One of the least understood aspects of prion diseases is the structure of infectious prion protein aggregates. Here we report a high-resolution cryo-EM structure of amyloid fibrils formed by human prion protein with the Y145Stop mutation that is associated with a familial prion disease. This structural insight allows us not only to explain previous biochemical findings, but also provides direct support for the conformational adaptability model of prion transmissibility barriers.

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Organizational Affiliation: 

Department of Physiology and Biophysics, Case Western Reserve University, Cleveland, OH, USA.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 20-mer - A20 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content

• Total Structure Weight: 250.83 kDa 
• Atom Count: 4,620 
• Modelled Residue Count: 680 
• Deposited Residue Count: 2,520 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Major prion protein	A, B, C [auth K], D [auth P], E [auth C], F [auth G], G [auth L], H [auth Q], I [auth D], J [auth H], K [auth M], L [auth R], M [auth E], N [auth I], O [auth N], P [auth S], Q [auth F], R [auth J], S [auth O], T	126	Homo sapiens	Mutation(s): 0  Gene Names: PRNP, ALTPRP, PRIP, PRP
UniProt & NIH Common Fund Data Resources
Find proteins for P04156 (Homo sapiens) Explore P04156  Go to UniProtKB:  P04156
PHAROS:  P04156 GTEx:  ENSG00000171867

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.86 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2022-07-27 
Deposition Author(s): Li, Q., Surewicz, W.K.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01 GM094357

Revision History  

• Version 1.0: 2022-07-27
  Type: Initial release
  
• Version 1.1: 2023-02-08
  Changes: Database references