SAXSdb — 4hud

▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

Tail connector protein Gp15

Enterobacteria phage T4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	VG15_BPT4
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–272； UniProt 1–272 Author chain B； PDBConstruct 1–272； UniProt 1–272 Author chain C； PDBConstruct 1–272； UniProt 1–272 Author chain D； PDBConstruct 1–272； UniProt 1–272 Author chain E； PDBConstruct 1–272； UniProt 1–272 Author chain F； PDBConstruct 1–272； UniProt 1–272

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	4hud
Deposition date deposition_date	2012-11-02
Structure title title	Structure of the bacteriophage T4 tail terminator protein, gp15.
Keywords keywords	Bacteriophage T4, phage tail terminator protein, gp15, VIRAL PROTEIN; VIRAL PROTEIN
Experimental Method method	X-RAY DIFFRACTION

▼

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.

4hud__assembly_1__model_1

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

Download this curve (.dat)

4hud__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4hud__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	39.59 Å
Rg (electron density)	38.28 Å
Total Rg	38.76 Å
Atom count	10452
Residues	1266
Excluded volume	185970 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4hud__assembly_1__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

Domain ID domain_id	4hudA01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	2000 — STM4215-like
Homologous superfamily homologous superfamily	40 — Myoviridae tail sheath stabiliser

Domain ID domain_id	4hudB01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	2000 — STM4215-like
Homologous superfamily homologous superfamily	40 — Myoviridae tail sheath stabiliser

Domain ID domain_id	4hudC01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	2000 — STM4215-like
Homologous superfamily homologous superfamily	40 — Myoviridae tail sheath stabiliser

Domain ID domain_id	4hudD01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	2000 — STM4215-like
Homologous superfamily homologous superfamily	40 — Myoviridae tail sheath stabiliser

Domain ID domain_id	4hudE01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	2000 — STM4215-like
Homologous superfamily homologous superfamily	40 — Myoviridae tail sheath stabiliser

Domain ID domain_id	4hudF01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	2000 — STM4215-like
Homologous superfamily homologous superfamily	40 — Myoviridae tail sheath stabiliser

▶

Unit-cell length a length_a	100.682 Å
Unit-cell length b length_b	100.682 Å
Unit-cell length c length_c	155.891 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	18

Space group space_group	P 32
Space-group number int_tables_number	145
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	32.956 Å
R factor r_factor	0.2092
R_work r_work	0.2066
R_free r_free	0.2521

Description description	Tail connector protein Gp15
Molecular weight formula_weight	31587.5 kDa
Source method src_method	man
Copy count entity_count	6

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	10524

Structure of the bacteriophage T4 tail terminator protein, gp15.

1. Protein Identity and Related Structures Protein Identity & Related Structures

Tail connector protein Gp15

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

4hud__assembly_1__model_1

4hud__assembly_1__model_1 | I(q)

4hud__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)

Source organism organism	Enterobacteria phage T4
NCBI taxonomy ID ncbi_taxonomy_id	10665
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	72

Structure of the bacteriophage T4 tail terminator protein, gp15.

1. Protein Identity and Related Structures Protein Identity & Related Structures

Tail connector protein Gp15

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

4hud__assembly_1__model_1

4hud__assembly_1__model_1 | I(q)

4hud__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 6 domains

CATH v4.4 (6 domains)

7. Citations (1)