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2tmv

VISUALIZATION OF PROTEIN-NUCLEIC ACID INTERACTIONS IN A VIRUS. REFINED STRUCTURE OF INTACT TOBACCO MOSAIC VIRUS AT 2.9 ANGSTROMS RESOLUTION BY X-RAY FIBER DIFFRACTION

Method: FIBER DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

TMV COAT PROTEIN

Tobacco mosaic virus

UniProt P03570

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 ;RNA (5'-R(P*GP*AP*A)-3') ; × 49 CALCIUM ION × 49 water × 98 Consistent with all polymers
2 Protein–RNA Monomer Protein 1 RNA 1 ;RNA (5'-R(P*GP*AP*A)-3') ; × 1 CALCIUM ION × 1 water × 2 Consistent with all polymers
3 Protein–RNA Monomer Protein 1 RNA 1 ;RNA (5'-R(P*GP*AP*A)-3') ; × 1 CALCIUM ION × 1 water × 2 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1ei7 1ei7

2 assemblies

Homotetramer

None

Other homooligomers
1ei7 1ei7

2 assemblies

Heteromeric or nucleic-acid complex
2tmv 2tmv 2tmv

3 assemblies

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

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_id2tmv
Deposition date deposition_date1988-09-15
Structure title titleVISUALIZATION OF PROTEIN-NUCLEIC ACID INTERACTIONS IN A VIRUS. REFINED STRUCTURE OF INTACT TOBACCO MOSAIC VIRUS AT 2.9 ANGSTROMS RESOLUTION BY X-RAY FIBER DIFFRACTION
Keywords keywordsVIRUS, Helical virus, Virus-RNA COMPLEX; Virus/RNA
Experimental Method methodFIBER DIFFRACTION
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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.

2tmv__assembly_1__model_1

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

Download this curve (.dat)

2tmv__assembly_1__model_1 | I(q)

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

2tmv__assembly_1__model_1 | 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）62.37 Å
Rg (electron density)63.06 Å
Total Rg62.83 Å
Atom count62720
Residues7693
Excluded volume1096300 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2tmv__assembly_1__model_1 helical （98） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2tmv__assembly_2__model_1 dimeric （2） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 2tmv__assembly_3__model_1 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 (4)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2tmvp_
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

CATH v4.4 (1 domains)

Domain ID domain_id2tmvP00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
Homologous superfamily homologous superfamily70 — Tobacco mosaic virus-like, coat protein
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7. Citations (6)