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2xgf

Structure of the bacteriophage T4 long tail fibre needle-shaped receptor-binding tip

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

LONG TAIL FIBER PROTEIN P37

ENTEROBACTERIA PHAGE T4

UniProt P03744

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 3 FE (II) ION × 7 CARBONATE ION × 1 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
2xgf

1 assemblies

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name VG37_BPT4
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–242； UniProt 785–1026 Author chain B； PDBConstruct 1–242； UniProt 785–1026 Author chain C； PDBConstruct 1–242； UniProt 785–1026

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_id2xgf
Deposition date deposition_date2010-06-03
Structure title titleStructure of the bacteriophage T4 long tail fibre needle-shaped receptor-binding tip
Keywords keywordsVIRAL PROTEIN, FIBER PROTEIN; VIRAL PROTEIN
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.

2xgf__assembly_1__model_1

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

Download this curve (.dat)

2xgf__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2xgf__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）66.43 Å
Rg (electron density)70.66 Å
Total Rg69.54 Å
Atom count4667
Residues648
Excluded volume80611 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2xgf__assembly_1__model_1 trimeric （3） 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 (4)

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6. Fold Classification (SCOP + CATH) 3 domains

CATH v4.4 (3 domains)

Domain ID domain_id2xgfA01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1340 — heat- and protease-stable fragment of the bacteriophage t4 short fibre, domain 3
Homologous superfamily homologous superfamily10 — Phage tail collar domain
Domain ID domain_id2xgfB01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1340 — heat- and protease-stable fragment of the bacteriophage t4 short fibre, domain 3
Homologous superfamily homologous superfamily10 — Phage tail collar domain
Domain ID domain_id2xgfC01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1340 — heat- and protease-stable fragment of the bacteriophage t4 short fibre, domain 3
Homologous superfamily homologous superfamily10 — Phage tail collar domain
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7. Citations (2)