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9ufn

Phage T4 hub in post-tail contraction, pre-genome-release state

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

Tail tube protein gp19

OrganismNot specified

UniProt P13333

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 24 Baseplate tail-tube junction protein gp54 × 6 （P13341） Baseplate tail-tube junction protein gp48 × 6 （P13339） Consistent with protein count
2 Protein heterocomplex Heteromer Protein 4 Baseplate tail-tube junction protein gp54 × 1 （P13341） Baseplate tail-tube junction protein gp48 × 1 （P13339） Consistent with protein count
3 Protein heterocomplex Heteromer Protein 4 Baseplate tail-tube junction protein gp54 × 1 （P13341） Baseplate tail-tube junction protein gp48 × 1 （P13339） Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
5w5f

1 assemblies

Heteromeric or nucleic-acid complex
5iv5 9ufn 9ufn 9ufn

4 assemblies

View Construct and Data Evidence
UniProt name TUBE_BPT4
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–163； UniProt 1–163 Author chain B； PDBConstruct 1–163； UniProt 1–163

Baseplate tail-tube junction protein gp54

OrganismNot specified

UniProt P13341

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 24 Tail tube protein gp19 × 12 （P13333） Baseplate tail-tube junction protein gp48 × 6 （P13339） Consistent with protein count
2 Protein heterocomplex Heteromer Protein 4 Tail tube protein gp19 × 2 （P13333） Baseplate tail-tube junction protein gp48 × 1 （P13339） Consistent with protein count
3 Protein heterocomplex Heteromer Protein 4 Tail tube protein gp19 × 2 （P13333） Baseplate tail-tube junction protein gp48 × 1 （P13339） 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
5iv5 9mkb 9mog 9ufn 9ufn 9ufn

6 assemblies

View Construct and Data Evidence
UniProt name BP54_BPT4
Isoform —
PDB entities 2
Chains and sequence ranges Author chain C； PDBConstruct 1–321； UniProt 1–320

Baseplate tail-tube junction protein gp48

OrganismNot specified

UniProt P13339

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 24 Tail tube protein gp19 × 12 （P13333） Baseplate tail-tube junction protein gp54 × 6 （P13341） Consistent with protein count
2 Protein heterocomplex Heteromer Protein 4 Tail tube protein gp19 × 2 （P13333） Baseplate tail-tube junction protein gp54 × 1 （P13341） Consistent with protein count
3 Protein heterocomplex Heteromer Protein 4 Tail tube protein gp19 × 2 （P13333） Baseplate tail-tube junction protein gp54 × 1 （P13341） 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
5iv5 9ufn 9ufn 9ufn

4 assemblies

View Construct and Data Evidence
UniProt name BP48_BPT4
Isoform —
PDB entities 3
Chains and sequence ranges Author chain D； PDBConstruct 1–364； UniProt 1–364

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_id9ufn
Deposition date deposition_date2025-04-10
Structure title titlePhage T4 hub in post-tail contraction, pre-genome-release state
Keywords keywordsBacteriophage, Myovirus, Phage T4, tail contraction, phage hub complex, tape-measure protein, genome release, 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.

9ufn__assembly_1__model_1

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

Download this curve (.dat)

9ufn__assembly_1__model_1 | I(q)

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

9ufn__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）60.84 Å
Rg (electron density)61.12 Å
Total Rg61.11 Å
Atom count34614
Residues4350
Excluded volume611130 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9ufn__assembly_1__model_1 24-meric （24） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 9ufn__assembly_2__model_1 tetrameric （4） Excluded — —
Exclusion reason： Auxiliary symmetry representation; not a complete or representative biological assembly.
3 1 9ufn__assembly_3__model_1 tetrameric （4） 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 (3)

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7. Citations (1)