9NON | pdb_00009non

Cryo-EM structure of amyloid fibril isolated from the kidney of a variant Alect2-I40V amyloidosis patient

• PDB DOI: https://doi.org/10.2210/pdb9NON/pdb
• EM Map EMD-49601: EMDB EMDataResource

• Classification: PROTEIN FIBRIL
• Organism(s): Homo sapiens
• Mutation(s): Yes 


• Deposited: 2025-03-10 Released: 2026-02-11 
• Deposition Author(s): Nguyen, B., Saelices, L.
• Funding Organization(s): American Heart Association, National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI), Welch Foundation

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.40 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

Cryo-EM structure of amyloid fibril isolated from the kidney of a variant Alect2-I40V amyloidosis patient

Nguyen, B., Saelices, L.

To be published.

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: 72.97 kDa 
• Atom Count: 5,105 
• Modeled Residue Count: 665 
• Deposited Residue Count: 665 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Leukocyte cell-derived chemotaxin-2	A [auth B], B [auth C], C [auth A], D, E	133	Homo sapiens	Mutation(s): 1
UniProt & NIH Common Fund Data Resources
Find proteins for O14960 (Homo sapiens) Explore O14960  Go to UniProtKB:  O14960
PHAROS:  O14960 GTEx:  ENSG00000145826

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.40 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	RELION	4.0
MODEL REFINEMENT	PHENIX	1.20.1_4487

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-02-11 
Deposition Author(s): Nguyen, B., Saelices, L.

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Funding Organization	Location	Grant Number
American Heart Association	United States	847236
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)	United States	DP2-HL163810
Welch Foundation	United States	I-2121-20220331

Revision History  

• Version 1.0: 2026-02-11
  Type: Initial release