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Cryo-EM structure of the proximal half fiber in del7.3K2R1 mature phage

Electron Microscopy
3.3Å resolution
PDB entry 8dsp coloured by chain, front view.
PDB entry 8dsp coloured by chain, side view.
PDB entry 8dsp coloured by chain, top view.
Source organism: Escherichia phage T7
Assembly composition:
homo trimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Tail fiber protein
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Multimeric state: homo trimer
Accessible surface area: 23727.45 Å2
Buried surface area: 12081.52 Å2
Dissociation area: 4,118.38 Å2
Dissociation energy (ΔGdiss): 45.96 kcal/mol
Dissociation entropy (TΔSdiss): 14.08 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-137252

Macromolecules

Tail fiber protein
Chains: C, E, F
Length: 164 amino acids
Theoretical weight: 18.53 KDa
Source organism: Escherichia phage T7
UniProt:
  • Canonical: P03748 (Residues: 4-167; Coverage: 30%)
Gene name: 17
Pfam: Phage T7 tail fibre protein
Tail fiber protein in PDB entry 8dsp, assembly 1, front view.
Tail fiber protein in PDB entry 8dsp, assembly 1, side view.
Tail fiber protein in PDB entry 8dsp, assembly 1, top view.
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