7XM8 | pdb_00007xm8

Glucagon amyloid fibril

• PDB DOI: https://doi.org/10.2210/pdb7XM8/pdb
• EM Map EMD-33290: EMDB EMDataResource

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


• Deposited: 2022-04-25 Released: 2023-04-19 
• Deposition Author(s): Jeong, H., Lin, Y., Lee, Y.-H.
• Funding Organization(s): National Research Foundation (NRF, Korea), Other government

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.90 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Atomistic zipper-like amyloid structure of full-length glucagon

Jeong, H., Lee, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 22-mer - A22 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 76.71 kDa 
• Atom Count: 5,412 
• Modeled Residue Count: 638 
• Deposited Residue Count: 638 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glucagon	A [auth H], B [auth G], C [auth J], D [auth I], E [auth K], F, G [auth B], H [auth A], I [auth D], J [auth C], K [auth E], L [auth T], M [auth S], N [auth V], O [auth U], P [auth R], Q [auth N], R [auth M], S [auth P], T [auth O], U [auth Q], V [auth L]	29	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P01275 (Homo sapiens) Explore P01275  Go to UniProtKB:  P01275
PHAROS:  P01275 GTEx:  ENSG00000115263

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.90 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2023-04-19 
Deposition Author(s): Jeong, H., Lin, Y., Lee, Y.-H.

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Funding Organization	Location	Grant Number
National Research Foundation (NRF, Korea)	Korea, Republic Of	NRF-2022R1A2C1011793
Other government	Korea, Republic Of	C220000
Other government	Korea, Republic Of	C230130
Other government	Korea, Republic Of	C280300

Revision History  

• Version 1.0: 2023-04-19
  Type: Initial release
  
• Version 1.1: 2024-07-03
  Changes: Data collection
• Version 1.2: 2025-07-02
  Changes: Data collection, Structure summary