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3iyb

Poliovirus early RNA-release intermediate

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Genome polyprotein

Human poliovirus 1 Mahoney

UniProt P03300

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 300 Genome polyprotein × 60 （P03302） Precursor polyprotein × 60 （Q9E912） VP1 core × 60 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 5 Genome polyprotein × 1 （P03302） Precursor polyprotein × 1 （Q9E912） VP1 core × 1 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 25 Genome polyprotein × 5 （P03302） Precursor polyprotein × 5 （Q9E912） VP1 core × 5 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 30 Genome polyprotein × 6 （P03302） Precursor polyprotein × 6 （Q9E912） VP1 core × 6 Consistent with protein count
5 Protein heterocomplex Heteromer Protein 5 Genome polyprotein × 1 （P03302） Precursor polyprotein × 1 （Q9E912） VP1 core × 1 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 POLG_POL1M
Isoform —
PDB entities 1, 4
Chains and sequence ranges Author chain 1； PDBConstruct 1–235； UniProt 647–881 Author chain 4； PDBConstruct 1–245； UniProt 97–341

Genome polyprotein

Poliovirus type 3 (strains P3/LEON/37 AND P3/LEON 12A[1]B)

UniProt P03302

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 300 Genome polyprotein × 60 （P03300） Precursor polyprotein × 60 （Q9E912） Genome polyprotein × 60 （P03300） VP1 core × 60 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 5 Genome polyprotein × 1 （P03300） Precursor polyprotein × 1 （Q9E912） Genome polyprotein × 1 （P03300） VP1 core × 1 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 25 Genome polyprotein × 5 （P03300） Precursor polyprotein × 5 （Q9E912） Genome polyprotein × 5 （P03300） VP1 core × 5 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 30 Genome polyprotein × 6 （P03300） Precursor polyprotein × 6 （Q9E912） Genome polyprotein × 6 （P03300） VP1 core × 6 Consistent with protein count
5 Protein heterocomplex Heteromer Protein 5 Genome polyprotein × 1 （P03300） Precursor polyprotein × 1 （Q9E912） Genome polyprotein × 1 （P03300） VP1 core × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1piv 1piv 1piv 1piv 1piv 1piv 1pvc 1pvc 1pvc 1pvc 1pvc 1pvc

62 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name POLG_POL3L
Isoform —
PDB entities 2
Chains and sequence ranges Author chain 2； PDBConstruct 1–14； UniProt 83–96

Precursor polyprotein

Human poliovirus 1

UniProt Q9E912

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 300 Genome polyprotein × 60 （P03300） Genome polyprotein × 60 （P03302） Genome polyprotein × 60 （P03300） VP1 core × 60 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 5 Genome polyprotein × 1 （P03300） Genome polyprotein × 1 （P03302） Genome polyprotein × 1 （P03300） VP1 core × 1 Consistent with protein count
3 Protein heterocomplex Heteromer Protein 25 Genome polyprotein × 5 （P03300） Genome polyprotein × 5 （P03302） Genome polyprotein × 5 （P03300） VP1 core × 5 Consistent with protein count
4 Protein heterocomplex Heteromer Protein 30 Genome polyprotein × 6 （P03300） Genome polyprotein × 6 （P03302） Genome polyprotein × 6 （P03300） VP1 core × 6 Consistent with protein count
5 Protein heterocomplex Heteromer Protein 5 Genome polyprotein × 1 （P03300） Genome polyprotein × 1 （P03302） Genome polyprotein × 1 （P03300） VP1 core × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3iyb 3iyb 3iyb 3iyb 3iyb

5 assemblies

View Construct and Data Evidence
UniProt name Q9E912_9ENTO
Isoform —
PDB entities 3
Chains and sequence ranges Author chain 3； PDBConstruct 1–231； UniProt 342–572

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_id3iyb
Deposition date deposition_date2009-07-21
Structure title titlePoliovirus early RNA-release intermediate
Keywords keywords;Picornavirus, poliovirus, intermediate, RNA release, 80S, ATP-binding, Capsid protein, Covalent protein-RNA linkage, Cytoplasmic vesicle, Helicase, Host-virus interaction, Hydrolase, Lipoprotein, Membrane, Myristate, Nucleotide-binding, Nucleotidyltransferase, Phosphoprotein, Protease, RNA replication, RNA-binding, RNA-directed RNA polymerase, Thiol protease, Transferase, Virion, VIRAL PROTEIN ;; VIRAL PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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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.

3iyb__assembly_1__model_1

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

Download this curve (.dat)

3iyb__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 1010 1011 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

3iyb__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）0.00 Å
Rg (electron density)140.50 Å
Total Rg140.60 Å
Atom count0
Residues0
Excluded volume5979500 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3iyb__assembly_1__model_1 300-meric （300） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3iyb__assembly_2__model_1 pentameric （5） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 3iyb__assembly_3__model_1 25-meric （25） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
4 1 3iyb__assembly_4__model_1 30-meric （30） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
5 1 3iyb__assembly_5__model_1 pentameric （5） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
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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)