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1dwn

Structure of bacteriophage PP7 from Pseudomonas aeruginosa at 3.7 A resolution

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

PHAGE COAT PROTEIN

OrganismNot specified

UniProt Q38062

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 180 No other associated polymer Consistent with protein count
2 Protein homooligomer Homooligomer Protein 3 No other associated polymer Consistent with protein count
3 Protein homooligomer Homooligomer Protein 15 No other associated polymer Consistent with protein count
4 Protein homooligomer Homooligomer Protein 18 No other associated polymer Consistent with protein count
5 Protein homooligomer Homooligomer Protein 3 No other associated polymer Consistent with protein count
6 Protein homooligomer Homooligomer Protein 360 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
2qud

1 assemblies

Homotetramer

None

Other homooligomers
1dwn 1dwn 1dwn 1dwn 1dwn 1dwn 6n4v

7 assemblies

Heteromeric or nucleic-acid complex
2qux 2qux 2qux 2qux 2qux 2qux

6 assemblies

View Construct and Data Evidence
UniProt name Q38062
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–127； UniProt 2–128 Author chain B； PDBConstruct 1–127； UniProt 2–128 Author chain C； PDBConstruct 1–127； UniProt 2–128

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_id1dwn
Deposition date deposition_date1999-12-09
Structure title titleStructure of bacteriophage PP7 from Pseudomonas aeruginosa at 3.7 A resolution
Keywords keywordsVIRUS, PHAGE, BACTERIOPHAGE, COAT PROTEIN, ICOSAHEDRAL VIRUS; VIRUS
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.

1dwn__assembly_1__model_1

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

Download this curve (.dat)

1dwn__assembly_1__model_1 | I(q)

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

1dwn__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)128.90 Å
Total Rg129.00 Å
Atom count174240
Residues22860
Excluded volume3114100 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1dwn__assembly_1__model_1 180-MERIC （180） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1dwn__assembly_2__model_1 trimeric （3） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 1dwn__assembly_3__model_1 pentadecameric （15） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
4 1 1dwn__assembly_4__model_1 octadecameric （18） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
5 1 1dwn__assembly_5__model_1 trimeric （3） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
6 1 1dwn__assembly_6__model_1 360-meric （360） 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 (1)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1dwna_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.85 — RNA bacteriophage capsid protein
Superfamily Superfamily superfamilyd.85.1 — RNA bacteriophage capsid protein
Family Family familyd.85.1.1 — RNA bacteriophage capsid protein
Domain ID domain_idd1dwnb_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.85 — RNA bacteriophage capsid protein
Superfamily Superfamily superfamilyd.85.1 — RNA bacteriophage capsid protein
Family Family familyd.85.1.1 — RNA bacteriophage capsid protein
Domain ID domain_idd1dwnc_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.85 — RNA bacteriophage capsid protein
Superfamily Superfamily superfamilyd.85.1 — RNA bacteriophage capsid protein
Family Family familyd.85.1.1 — RNA bacteriophage capsid protein

CATH v4.4 (3 domains)

Domain ID domain_id1dwnA00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology380 — MS2 Viral Coat Protein
Homologous superfamily homologous superfamily10 — MS2 Viral Coat Protein
Domain ID domain_id1dwnB00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology380 — MS2 Viral Coat Protein
Homologous superfamily homologous superfamily10 — MS2 Viral Coat Protein
Domain ID domain_id1dwnC00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology380 — MS2 Viral Coat Protein
Homologous superfamily homologous superfamily10 — MS2 Viral Coat Protein
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7. Citations (1)