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2ge8

Structure of the C-terminal dimerization domain of infectious bronchitis virus nucleocapsid protein

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

Nucleocapsid protein

Infectious bronchitis virus

UniProt P32923

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 No other associated polymer Consistent with protein count
2 Protein homooligomer Homooligomer Protein 2 No other associated polymer Consistent with protein count
3 Protein homooligomer Homooligomer Protein 2 No other associated polymer Consistent with protein count
4 Protein homooligomer Homooligomer Protein 2 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
2ge7 2ge8 2ge8 2ge8 2ge8 2gec

6 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name NCAP_IBVG
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–114； UniProt 220–333 Author chain B； PDBConstruct 1–114； UniProt 220–333 Author chain C； PDBConstruct 1–114； UniProt 220–333 Author chain D； PDBConstruct 1–114； UniProt 220–333 Author chain F； PDBConstruct 1–114； UniProt 220–333 Author chain G； PDBConstruct 1–114； UniProt 220–333 Author chain I； PDBConstruct 1–114； UniProt 220–333 Author chain J； PDBConstruct 1–114； UniProt 220–333

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_id2ge8
Deposition date deposition_date2006-03-18
Structure title titleStructure of the C-terminal dimerization domain of infectious bronchitis virus nucleocapsid protein
Keywords keywordsNucleocapsid protein, N protein, Coronavirus, IBV N protein, Dimerization domain, VIRUS-VIRAL PROTEIN-RNA BINDING PROTEIN COMPLEX; VIRUS/VIRAL PROTEIN/RNA BINDING 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.

2ge8__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2ge8__assembly_3__model_1 | I(q)

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

2ge8__assembly_3__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）18.83 Å
Rg (electron density)17.86 Å
Total Rg18.73 Å
Atom count1733
Residues220
Excluded volume30626 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2ge8__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 2ge8__assembly_2__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 2ge8__assembly_3__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 2ge8__assembly_4__model_1 dimeric （2） 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 (1)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd2ge8a1
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.254 — Nucleocapsid protein dimerization domain
Superfamily Superfamily superfamilyd.254.1 — Nucleocapsid protein dimerization domain
Family Family familyd.254.1.2 — Coronavirus nucleocapsid protein
Domain ID domain_idd2ge8b_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.254 — Nucleocapsid protein dimerization domain
Superfamily Superfamily superfamilyd.254.1 — Nucleocapsid protein dimerization domain
Family Family familyd.254.1.2 — Coronavirus nucleocapsid protein
Domain ID domain_idd2ge8c_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.254 — Nucleocapsid protein dimerization domain
Superfamily Superfamily superfamilyd.254.1 — Nucleocapsid protein dimerization domain
Family Family familyd.254.1.2 — Coronavirus nucleocapsid protein
Domain ID domain_idd2ge8d_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.254 — Nucleocapsid protein dimerization domain
Superfamily Superfamily superfamilyd.254.1 — Nucleocapsid protein dimerization domain
Family Family familyd.254.1.2 — Coronavirus nucleocapsid protein
Domain ID domain_idd2ge8f_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.254 — Nucleocapsid protein dimerization domain
Superfamily Superfamily superfamilyd.254.1 — Nucleocapsid protein dimerization domain
Family Family familyd.254.1.2 — Coronavirus nucleocapsid protein
Domain ID domain_idd2ge8g_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.254 — Nucleocapsid protein dimerization domain
Superfamily Superfamily superfamilyd.254.1 — Nucleocapsid protein dimerization domain
Family Family familyd.254.1.2 — Coronavirus nucleocapsid protein
Domain ID domain_idd2ge8i_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.254 — Nucleocapsid protein dimerization domain
Superfamily Superfamily superfamilyd.254.1 — Nucleocapsid protein dimerization domain
Family Family familyd.254.1.2 — Coronavirus nucleocapsid protein
Domain ID domain_idd2ge8j_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.254 — Nucleocapsid protein dimerization domain
Superfamily Superfamily superfamilyd.254.1 — Nucleocapsid protein dimerization domain
Family Family familyd.254.1.2 — Coronavirus nucleocapsid protein
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7. Citations (1)