2bt8

Structure of the C-terminal receptor-binding domain of avian reovirus fibre sigmaC, space group P6322.

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

SIGMA C

AVIAN ORTHOREOVIRUS

UniProt O12287

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 3 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name O12287_9REOV
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–170; UniProt 157–326

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_id2bt8
Deposition date deposition_date2005-05-26
Structure title titleStructure of the C-terminal receptor-binding domain of avian reovirus fibre sigmaC, space group P6322.
Keywords keywordsORTHOREOVIRUS, TRIPLE BETA-SPIRAL, BETA-BARREL, VIRAL PROTEIN; VIRAL PROTEIN
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.

2bt8__assembly_1__model_1

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

Download this curve (.dat)

2bt8__assembly_1__model_1 | I(q)

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

2bt8__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)25.34 Å
Rg (electron density)24.31 Å
Total Rg25.11 Å
Atom count3780
Residues501
Excluded volume66302 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2bt8__assembly_1__model_1 trimeric (3) 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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id2bt8A01
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology25 — Laminin
Homologous superfamily homologous superfamily20 — reovirus attachment protein sigma1; domain 1
Domain ID domain_id2bt8A02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
Homologous superfamily homologous superfamily40 —
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7. Citations (6)