9NO8 | pdb_00009no8

CryoEM structure of computationally designed bundlemer peptide nanotube (14 protofilament)

• PDB DOI: https://doi.org/10.2210/pdb9NO8/pdb
• EM Map EMD-49595: EMDB EMDataResource

• Classification: PROTEIN FIBRIL
• Organism(s): synthetic construct
• Mutation(s): No 


• Deposited: 2025-03-08 Released: 2026-03-25 
• Deposition Author(s): Das, A., Conticello, V.P.
• Funding Organization(s): National Science Foundation (NSF, United States)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.83 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

CryoEM structure of computationally designed bundlemer peptide nanotube (14 protofilament)

Das, A., Conticello, V.P.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 280-mer - A280 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 25.37 kDa 
• Atom Count: 1,760 
• Modeled Residue Count: 240 
• Deposited Residue Count: 240 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Coiled coil peptide nanotube	A, B, C, D, E, F, G, H	30	synthetic construct	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.83 Å
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC
MODEL REFINEMENT	PHENIX	1.20.1_4487

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-03-25 
Deposition Author(s): Das, A., Conticello, V.P.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, United States)	United States	--

Revision History  

• Version 1.0: 2026-03-25
  Type: Initial release