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2zi0

Crystal structure of Tav2b/siRNA complex

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Protein 2b

Tomato aspermy virus

UniProt Q8UYT3

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Homooligomer Protein 2 RNA 2 ;RNA (5'-D(P*AP*GP*AP*CP*AP*GP*CP*AP*UP*UP*AP*UP*GP*CP*UP*GP*UP*CP*UP*UP*U)-3') ; × 2 water × 4 Consistent with all polymers
2 Protein–RNA Homooligomer Protein 4 RNA 4 ;RNA (5'-D(P*AP*GP*AP*CP*AP*GP*CP*AP*UP*UP*AP*UP*GP*CP*UP*GP*UP*CP*UP*UP*U)-3') ; × 4 water × 8 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
2zi0 2zi0 3cz3

3 assemblies

View Construct and Data Evidence
UniProt name V2B_TAV
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–69； UniProt 1–69 Author chain B； PDBConstruct 1–69； UniProt 1–69

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_id2zi0
Deposition date deposition_date2008-02-12
Structure title titleCrystal structure of Tav2b/siRNA complex
Keywords keywordsRNAi suppression, Nucleus, Suppressor of RNA silencing, GENE REGULATION-RNA COMPLEX; GENE REGULATION/RNA
Experimental Method methodX-RAY 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.

2zi0__assembly_1__model_1

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

Download this curve (.dat)

2zi0__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2zi0__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）22.05 Å
Rg (electron density)22.72 Å
Total Rg22.96 Å
Atom count1803
Residues153
Excluded volume28898 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2zi0__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2zi0__assembly_2__model_1 octameric （8） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2zi0A00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily3800 —
Domain ID domain_id2zi0B00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily3800 —
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7. Citations (1)