9S7O | pdb_00009s7o

Cryo-EM structure of amyloidogenic antimicrobial peptide Brevinin-1OKc polymorph 1 in water

• PDB DOI: https://doi.org/10.2210/pdb9S7O/pdb
• EM Map EMD-54645: EMDB EMDataResource

• Classification: ANTIMICROBIAL PROTEIN
• Organism(s): Nidirana okinavana
• Mutation(s): Yes 


• Deposited: 2025-08-05 Released: 2026-08-26 
• Deposition Author(s): Ragonis-Bachar, P., Strati, F., Gustavsson, E., Khokhlov, A., Barnea, E., Rayan, B., Upchr, A., Landau, M.
• Funding Organization(s): European Research Council (ERC), Israel Science Foundation, Volkswagen Foundation, German Research Foundation (DFG)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Starting Model: other

Literature

Amyloidogenic Nature and Structural Polymorphism of Antimicrobial, Virulent and Defense Peptides

Ragonis-Bachar, P., Strati, F., Gustavsson, E., Khokhlov, A., Barnea, E., Rayan, B., Upchr, A., Landau, M.

To be published.

Biological Assembly 1  

Global Symmetry: Helical - H  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 13.65 kDa 
• Atom Count: 852 
• Modeled Residue Count: 120 
• Deposited Residue Count: 138 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Brevinin-1OKc	A, B, C, D, E, F	23	Nidirana okinavana	Mutation(s): 1
UniProt
Find proteins for C0HL10 (Nidirana okinavana) Explore C0HL10  Go to UniProtKB:  C0HL10

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	RELION	5
MODEL REFINEMENT	Servalcat

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-08-26 
Deposition Author(s): Ragonis-Bachar, P., Strati, F., Gustavsson, E., Khokhlov, A., Barnea, E., Rayan, B., Upchr, A., Landau, M.

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Funding Organization	Location	Grant Number
European Research Council (ERC)	European Union	101087140
Israel Science Foundation	Israel	2111/20
Volkswagen Foundation	Germany	76251-4659/2022 (ZN 4042)
German Research Foundation (DFG)	Germany	152/772-1
German Research Foundation (DFG)	Germany	152/774-1
German Research Foundation (DFG)	Germany	152/775-1
German Research Foundation (DFG)	Germany	152/776-1
German Research Foundation (DFG)	Germany	152/777-1 FUGG

Revision History  

• Version 1.0: 2026-08-26
  Type: Initial release