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1ng7

The Solution Structure of the Soluble Domain of Poliovirus 3A Protein

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Genome polyprotein [Core protein P3A]

Human poliovirus 1

UniProt P03300

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

Other States of the Same Protein in the Database

Monomer
1l1n 1l1n 1ra6 1ra7 1raj 1rdr 1tql 2bbp 2ijf 2ily 2ilz 2im0

32 assemblies; showing the first 12

Homodimer
1ng7 2ijd 2ijd

3 assemblies

Homotetramer
1hxs 1hxs 2plv 2plv 5z3q

5 assemblies

Other homooligomers
1hxs 1hxs 1hxs 1hxs 1pov 1pov 1pov 1pov 1pov 1pov 1xyr 1xyr

30 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
1al2 1al2 1al2 1al2 1al2 1al2 1ar6 1ar6 1ar6 1ar6 1ar6 1ar6

181 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name POLH_POL1M
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–60； UniProt 1456–1514 Author chain B； PDBConstruct 2–60； UniProt 1456–1514

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_id1ng7
Deposition date deposition_date2002-12-16
Structure title titleThe Solution Structure of the Soluble Domain of Poliovirus 3A Protein
Keywords keywordshelical hairpin, unfolded domain, symmetric dimer, Viral protein; VIRAL PROTEIN
Experimental Method methodSOLUTION NMR
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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.

1ng7__assembly_1__model_7

Assembly 1 · Model 7 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1ng7__assembly_1__model_7 | I(q)

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

1ng7__assembly_1__model_7 | 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）19.70 Å
Rg (electron density)18.78 Å
Total Rg19.75 Å
Atom count1940
Residues120
Excluded volume17176 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1ng7__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1ng7__assembly_1__model_2 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1ng7__assembly_1__model_3 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1ng7__assembly_1__model_4 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1ng7__assembly_1__model_5 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1ng7__assembly_1__model_6 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1ng7__assembly_1__model_7 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1ng7__assembly_1__model_8 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1ng7__assembly_1__model_9 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1ng7__assembly_1__model_10 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) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1ng7a1
Class classa — All alpha proteins
Fold Fold folda.178 — Soluble domain of poliovirus core protein 3a
Superfamily Superfamily superfamilya.178.1 — Soluble domain of poliovirus core protein 3a
Family Family familya.178.1.1 — Soluble domain of poliovirus core protein 3a
Domain ID domain_idd1ng7a2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd1ng7b1
Class classa — All alpha proteins
Fold Fold folda.178 — Soluble domain of poliovirus core protein 3a
Superfamily Superfamily superfamilya.178.1 — Soluble domain of poliovirus core protein 3a
Family Family familya.178.1.1 — Soluble domain of poliovirus core protein 3a
Domain ID domain_idd1ng7b2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id1ng7A00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology20 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily20 — Poliovirus 3A protein-like
Domain ID domain_id1ng7B00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology20 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily20 — Poliovirus 3A protein-like
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7. Citations (1)