9HGB | pdb_00009hgb

Amyloid fibril from the antimicrobial peptide citropin 1-3 - Polymorph Nr.3

• PDB DOI: https://doi.org/10.2210/pdb9HGB/pdb
• EM Map EMD-52133: EMDB EMDataResource

• Classification: ANTIMICROBIAL PROTEIN
• Organism(s): Ranoidea citropa
• Mutation(s): No 


• Deposited: 2024-11-19 Released: 2025-10-01 
• Deposition Author(s): Strati, F., Rayan, B., Landau, M., Siavash, M., Cali, P.M., Monistrol, J., Golubev, A., Gustavsson, E., Bloch, Y.
• Funding Organization(s): European Research Council (ERC), Other private

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

Structure of citropin 1.3 amyloid polymorph

Strati, F., Landau, M., Siavash, M., Cali, P.M., Monistrol, J., Golubev, A., Gustavsson, E., Bloch, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 12-mer - A12 

Biological assembly 1 assigned by authors and generated by (software)

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 19.58 kDa 
• Atom Count: 1,380 
• Modeled Residue Count: 192 
• Deposited Residue Count: 192 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Citropin-1.3	A, B, C, D, E, F, G, H, I, J, K, L	16	Ranoidea citropa	Mutation(s): 0
UniProt
Find proteins for P81846 (Ranoidea citropa) Explore P81846  Go to UniProtKB:  P81846

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.10 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-10-01 
Deposition Author(s): Strati, F., Rayan, B., Landau, M., Siavash, M., Cali, P.M., Monistrol, J., Golubev, A., Gustavsson, E., Bloch, Y.

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Funding Organization	Location	Grant Number
European Research Council (ERC)	European Union	101087140
Other private	United States	--

Revision History  

• Version 1.0: 2025-10-01
  Type: Initial release