9X45 | pdb_00009x45

Cryo-EM structure of renal amyloid fibril from an immunoglobulin light chain amyloidosis patient in polymorph A

• PDB DOI: https://doi.org/10.2210/pdb9X45/pdb
• EM Map EMD-66530: EMDB EMDataResource

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


• Deposited: 2025-10-10 Released: 2025-12-24 
• Deposition Author(s): Zhao, K., Yu, C.Y., Ma, Y.Y., Huang, H.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.93 Å
• Aggregation State: HELICAL ARRAY 
• Reconstruction Method: HELICAL 

Literature

Cryo-EM structure of renal amyloid fibril from an immunoglobulin light chain amyloidosis patient in polymorph A

Zhao, K., Yu, C.Y., Ma, Y.Y., Huang, H.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 68.19 kDa 
• Atom Count: 3,588 
• Modeled Residue Count: 480 
• Deposited Residue Count: 660 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
IG c956_light_IGLV1-44_IGLJ3	A, B, C, D, E, F	110	Homo sapiens	Mutation(s): 0
UniProt
Find proteins for A0A5C2GJC2 (Homo sapiens) Explore A0A5C2GJC2  Go to UniProtKB:  A0A5C2GJC2

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.93 Å
• Aggregation State: HELICAL ARRAY 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487
RECONSTRUCTION	RELION

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-12-24 
Deposition Author(s): Zhao, K., Yu, C.Y., Ma, Y.Y., Huang, H.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-12-24
  Type: Initial release