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4n0o

Complex structure of Arterivirus nonstructural protein 10 (helicase) with DNA

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

Replicase polyprotein 1ab

Equine arteritis virus

UniProt P19811

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Monomer Protein 1 DNA 1 DNA × 1 ZINC ION × 3 CALCIUM ION × 2 water × 2 Consistent with all polymers
2 Protein–DNA Monomer Protein 1 DNA 1 DNA × 1 ZINC ION × 3 CALCIUM ION × 2 water × 2 Consistent with all polymers
3 Protein–DNA Monomer Protein 1 DNA 1 DNA × 1 ZINC ION × 3 CALCIUM ION × 2 water × 2 Consistent with all polymers
4 Protein–DNA Monomer Protein 1 DNA 1 DNA × 1 ZINC ION × 3 CALCIUM ION × 1 water × 2 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
1mbm 1mbm 1mbm 1mbm 2l8k 4n0n

6 assemblies

Homodimer
5f17 5f17 5f17 5hbz 5hbz 5hbz 5hc1 5hc1

8 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
4ium 4n0o 4n0o 4n0o 4n0o

5 assemblies

View Construct and Data Evidence
UniProt name RPOA_EAVBU
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 22–423； UniProt 2371–2772 Author chain C； PDBConstruct 22–423； UniProt 2371–2772 Author chain E； PDBConstruct 22–423； UniProt 2371–2772 Author chain G； PDBConstruct 22–423； UniProt 2371–2772

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_id4n0o
Deposition date deposition_date2013-10-02
Structure title titleComplex structure of Arterivirus nonstructural protein 10 (helicase) with DNA
Keywords keywordsarterivirus, helicase, zbd, nsp10, complex, HYDROLASE-DNA complex; HYDROLASE/DNA
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.

4n0o__assembly_1__model_1

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

Download this curve (.dat)

4n0o__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.

4n0o__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）23.92 Å
Rg (electron density)23.14 Å
Total Rg24.12 Å
Atom count3039
Residues402
Excluded volume53956 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4n0o__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 4n0o__assembly_2__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 4n0o__assembly_3__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 4n0o__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 (5)

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7. Citations (1)