SAXSdb — 3bed

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

PTS system, IIA component

Enterococcus faecalis

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q838I6_ENTFA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–142； UniProt 1–139 Author chain B； PDBConstruct 4–142； UniProt 1–139

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	3bed
Deposition date deposition_date	2007-11-16
Structure title title	Mannose/sorbose specific IIA subunit of phosphotransferase system from Enterococcus faecalis
Keywords keywords	;MANNOSE/SORBOSE, PHOSPHOTRANSFERASE SYSTEM, STRUCTURAL GENOMICS, APC28805, PSI-2, PROTEIN STRUCTURE INITIATIVE, MIDWEST CENTER FOR STRUCTURAL GENOMICS, MCSG, TRANSFERASE ;; TRANSFERASE
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.

3bed__assembly_1__model_1

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

Download this curve (.dat)

3bed__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3bed__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.11 Å
Rg (electron density)	18.29 Å
Total Rg	19.06 Å
Atom count	1876
Residues	239
Excluded volume	34366 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3bed__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3bed__assembly_2__model_1`	tetrameric （4）	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	d3beda1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.54 — PTS system fructose IIA component-like
Superfamily Superfamily superfamily	c.54.1 — PTS system fructose IIA component-like
Family Family family	c.54.1.1 — EIIA-man component-like

Domain ID domain_id	d3bedb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.54 — PTS system fructose IIA component-like
Superfamily Superfamily superfamily	c.54.1 — PTS system fructose IIA component-like
Family Family family	c.54.1.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	3bedA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	510 — Phosphotransferase system, mannose-type IIA component

Domain ID domain_id	3bedB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	510 — Phosphotransferase system, mannose-type IIA component

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Unit-cell length a length_a	106.059 Å
Unit-cell length b length_b	37.503 Å
Unit-cell length c length_c	76.993 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	121.49 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	1.450 Å
Low-resolution limit resolution_low	37.500 Å
R factor r_factor	0.1593
R_work r_work	0.1573
R_free r_free	0.1967

Description description	PTS system, IIA component
Molecular weight formula_weight	15304.1 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2355

Mannose/sorbose specific IIA subunit of phosphotransferase system from Enterococcus faecalis

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

PTS system, IIA component

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

3bed__assembly_1__model_1

3bed__assembly_1__model_1 | I(q)

3bed__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	Enterococcus faecalis
NCBI taxonomy ID ncbi_taxonomy_id	226185
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	330

Mannose/sorbose specific IIA subunit of phosphotransferase system from Enterococcus faecalis

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

PTS system, IIA component

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

3bed__assembly_1__model_1

3bed__assembly_1__model_1 | I(q)

3bed__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)