SAXSdb — 2pp6

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

Gifsy-2 prophage ATP-binding sugar transporter-like protein

Salmonella typhimurium LT2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8ZQ92_SALTY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–102； UniProt 1–99

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_id	2pp6
Deposition date deposition_date	2007-04-28
Structure title title	Crystal structure of the ATP-binding sugar transporter-like protein from Salmonella typhimurium
Keywords keywords	;beta barrel, 4 helix bundle, Structural Genomics, PSI-2, Protein Structure Initiative, Midwest Center for Structural Genomics, MCSG, TRANSPORT PROTEIN ;; TRANSPORT PROTEIN
Experimental Method method	X-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.

2pp6__assembly_1__model_1

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

Download this curve (.dat)

2pp6__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2pp6__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.20 Å
Rg (electron density)	25.39 Å
Total Rg	25.64 Å
Atom count	2756
Residues	336
Excluded volume	49200 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2pp6__assembly_1__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2pp6__assembly_2__model_1`	dimeric （2）	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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2pp6a1
Class class	b — All beta proteins
Fold Fold fold	b.106 — Phage tail proteins
Superfamily Superfamily superfamily	b.106.1 — Phage tail proteins
Family Family family	b.106.1.2 — gpFII-like

Domain ID domain_id	d2pp6a2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id	2pp6A01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	110 —

Domain ID domain_id	2pp6A02
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	10 — Thrombin, subunit H
Homologous superfamily homologous superfamily	210 — Phage tail proteins (gpFII-like)

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Unit-cell length a length_a	51.820 Å
Unit-cell length b length_b	51.820 Å
Unit-cell length c length_c	69.329 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 4 21 2
Space-group number int_tables_number	90
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	32.400 Å
R factor r_factor	0.2160
R_work r_work	0.2100
R_free r_free	0.2790

Description description	Gifsy-2 prophage ATP-binding sugar transporter-like protein
Molecular weight formula_weight	11344.3 kDa
Source method src_method	man
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	717

Crystal structure of the ATP-binding sugar transporter-like protein from Salmonella typhimurium

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

Gifsy-2 prophage ATP-binding sugar transporter-like protein

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

2pp6__assembly_1__model_1

2pp6__assembly_1__model_1 | I(q)

2pp6__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Salmonella typhimurium LT2
NCBI taxonomy ID ncbi_taxonomy_id	99287
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	28

Crystal structure of the ATP-binding sugar transporter-like protein from Salmonella typhimurium

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

Gifsy-2 prophage ATP-binding sugar transporter-like protein

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

2pp6__assembly_1__model_1

2pp6__assembly_1__model_1 | I(q)

2pp6__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)