28YM | pdb_000028ym

Tobacco Mosaic Virus (TMV)

• PDB DOI: https://doi.org/10.2210/pdb28YM/pdb
• EM Map EMD-56973: EMDB EMDataResource

• Classification: VIRUS
• Organism(s): Tobacco mosaic virus
• Mutation(s): No 


• Deposited: 2026-03-02 Released: 2026-06-10 
• Deposition Author(s): Zimmermann, M., Braun, T.
• Funding Organization(s): Swiss National Science Foundation

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 1.71 Å
• Aggregation State: HELICAL ARRAY 
• Reconstruction Method: HELICAL 

Starting Model: experimental

Literature

Structure of Tobacco Mosaic Virus at 1.71 A

Zimmermann, M., Braun, T.

To be published.

Biological Assembly 1  

Global Symmetry: Helical - H  (Explore in 3D)
Global Stoichiometry: Homo 40-mer - A40 

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

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 683.68 kDa 
• Atom Count: 48,240 
• Modeled Residue Count: 6,120 
• Deposited Residue Count: 6,120 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Capsid protein	A, AA [auth M], B [auth AA], BA [auth N], C [auth AB], CA [auth O], D [auth AC], DA [auth P], E [auth AD], EA [auth Q], F [auth AE], FA [auth R], G [auth AF], GA [auth S], H [auth AG], HA [auth T], I [auth AH], IA [auth U], J [auth AI], JA [auth V], K [auth AJ], KA [auth W], L [auth AK], LA [auth X], M [auth AL], MA [auth Y], N [auth AM], NA [auth Z], O [auth AN], P [auth B], Q [auth C], R [auth D], S [auth E], T [auth F], U [auth G], V [auth H], W [auth I], X [auth J], Y [auth K], Z [auth L]	153	Tobacco mosaic virus	Mutation(s): 0
UniProt
Find proteins for A0A348G6U1 (Tobacco mosaic virus) Explore A0A348G6U1  Go to UniProtKB:  A0A348G6U1

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 1.71 Å
• Aggregation State: HELICAL ARRAY 
• Reconstruction Method: HELICAL 

EM Software:

Task	Software Package	Version
RECONSTRUCTION	cryoSPARC	4.6
MODEL REFINEMENT	PHENIX	2.0
MODEL REFINEMENT	Coot	1.1.15

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-06-10 
Deposition Author(s): Zimmermann, M., Braun, T.

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Funding Organization	Location	Grant Number
Swiss National Science Foundation	Switzerland	--

Revision History  

• Version 1.0: 2026-06-10
  Type: Initial release