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2iun

Structure of the C-terminal head domain of the avian adenovirus CELO long fibre (P21 crystal form)

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

AVIAN ADENOVIRUS CELO LONG FIBRE

AVIAN ADENOVIRUS GAL1

UniProt Q64787

State in the Current Structure

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

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
2ium 2iun 2iun

3 assemblies

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q64787_ADEG1
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 34–248； UniProt 579–793 Author chain B； PDBConstruct 34–248； UniProt 579–793 Author chain C； PDBConstruct 34–248； UniProt 579–793 Author chain D； PDBConstruct 34–248； UniProt 579–793 Author chain E； PDBConstruct 34–248； UniProt 579–793 Author chain F； PDBConstruct 34–248； UniProt 579–793

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_id2iun
Deposition date deposition_date2006-06-06
Structure title titleStructure of the C-terminal head domain of the avian adenovirus CELO long fibre (P21 crystal form)
Keywords keywordsRECEPTOR-BINDING, AVIAN ADENOVIRUS, TRIMERIC PROTEINS, VIRAL FIBRES, BETA-SANDWICH, FIBER PROTEIN, 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.

2iun__assembly_1__model_1

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

Download this curve (.dat)

2iun__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.

2iun__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）25.41 Å
Rg (electron density)23.95 Å
Total Rg24.91 Å
Atom count4798
Residues633
Excluded volume85786 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2iun__assembly_1__model_1 trimeric （3） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2iun__assembly_2__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 (3)

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6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id2iunA00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
Homologous superfamily homologous superfamily30 — Fiber protein 1, C-terminal domain
Domain ID domain_id2iunB00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
Homologous superfamily homologous superfamily30 — Fiber protein 1, C-terminal domain
Domain ID domain_id2iunC00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
Homologous superfamily homologous superfamily30 — Fiber protein 1, C-terminal domain
Domain ID domain_id2iunD00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
Homologous superfamily homologous superfamily30 — Fiber protein 1, C-terminal domain
Domain ID domain_id2iunE00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
Homologous superfamily homologous superfamily30 — Fiber protein 1, C-terminal domain
Domain ID domain_id2iunF00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
Homologous superfamily homologous superfamily30 — Fiber protein 1, C-terminal domain
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7. Citations (4)