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2om3

High-resolution cryo-EM structure of Tobacco Mosaic Virus

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Coat protein

OrganismNot specified

UniProt Q77LT8

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Homooligomer Protein 49 RNA 49 Tobacco Mosaic Virus RNA × 49 Consistent with all polymers
2 Protein–RNA Monomer Protein 1 RNA 1 Tobacco Mosaic Virus RNA × 1 Consistent with all polymers
3 Protein–RNA Monomer Protein 1 RNA 1 Tobacco Mosaic Virus RNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2om3 2om3 2om3 2xea 2xea 2xea

6 assemblies

View Construct and Data Evidence
UniProt name Q77LT8_9VIRU
Isoform —
PDB entities 2
Chains and sequence ranges Author chain A； PDBConstruct 1–158； UniProt 2–159

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id2om3
Deposition date deposition_date2007-01-20
Structure title titleHigh-resolution cryo-EM structure of Tobacco Mosaic Virus
Keywords keywordsprotein-RNA complex, four-helical up-and-down bundle, HELICAL VIRUS, VIRUS; VIRUS
Experimental Method methodELECTRON MICROSCOPY
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

2om3__assembly_1__model_5

Assembly 1 · Model 5 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2om3__assembly_1__model_5 | I(q)

10-2 10-1 106 107 108 109 1010 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2om3__assembly_1__model_5 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）62.22 Å
Rg (electron density)62.92 Å
Total Rg62.76 Å
Atom count62671
Residues7693
Excluded volume1093700 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2om3__assembly_1__model_1 98-meric （98） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2om3__assembly_1__model_2 98-meric （98） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2om3__assembly_1__model_3 98-meric （98） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2om3__assembly_1__model_4 98-meric （98） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2om3__assembly_1__model_5 98-meric （98） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2om3__assembly_2__model_1 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
2 2 2om3__assembly_2__model_2 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
2 3 2om3__assembly_2__model_3 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
2 4 2om3__assembly_2__model_4 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
2 5 2om3__assembly_2__model_5 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 2om3__assembly_3__model_1 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 2 2om3__assembly_3__model_2 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 3 2om3__assembly_3__model_3 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 4 2om3__assembly_3__model_4 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 5 2om3__assembly_3__model_5 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (2)

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6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2om3a1
Class classa — All alpha proteins
Fold Fold folda.24 — Four-helical up-and-down bundle
Superfamily Superfamily superfamilya.24.5 — TMV-like viral coat proteins
Family Family familya.24.5.1 — TMV-like viral coat proteins
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7. Citations (1)