SAXSdb — 1jbg

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

transcription activator of multidrug-efflux transporter genes mta

Bacillus subtilis

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	P71039_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–109； UniProt 1–109

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	1jbg
Deposition date deposition_date	2001-06-04
Structure title title	Crystal Structure of MtaN, the Bacillus subtilis Multidrug Transporter Activator, N-terminus
Keywords keywords	winged helix-turn-helix, antiparallel coiled-coil, TRANSCRIPTION; TRANSCRIPTION
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.

1jbg__assembly_1__model_1

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

Download this curve (.dat)

1jbg__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1jbg__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	24.95 Å
Rg (electron density)	24.33 Å
Total Rg	24.93 Å
Atom count	1722
Residues	212
Excluded volume	30882 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1jbg__assembly_1__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) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1jbga_
Class class	a — All alpha proteins
Fold Fold fold	a.6 — Putative DNA-binding domain
Superfamily Superfamily superfamily	a.6.1 — Putative DNA-binding domain
Family Family family	a.6.1.3 — DNA-binding N-terminal domain of transcription activators

CATH v4.4 (1 domains)

Domain ID domain_id	1jbgA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	1660 — Multidrug-efflux Transporter Regulator; Chain: A; Domain 2
Homologous superfamily homologous superfamily	10 —

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Unit-cell length a length_a	49.382 Å
Unit-cell length b length_b	67.838 Å
Unit-cell length c length_c	115.005 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	I 21 21 21
Space-group number int_tables_number	24
Crystal system crystal_system	—

Resolution resolution	2.750 Å
Low-resolution limit resolution_low	23.330 Å
R factor r_factor	0.2311
R_work r_work	0.2277
R_free r_free	0.2867

Description description	transcription activator of multidrug-efflux transporter genes mta
Molecular weight formula_weight	12861.8 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	877

Crystal Structure of MtaN, the Bacillus subtilis Multidrug Transporter Activator, N-terminus

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

transcription activator of multidrug-efflux transporter genes mta

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

1jbg__assembly_1__model_1

1jbg__assembly_1__model_1 | I(q)

1jbg__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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

Source organism organism	Bacillus subtilis
NCBI taxonomy ID ncbi_taxonomy_id	1423
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	16

Crystal Structure of MtaN, the Bacillus subtilis Multidrug Transporter Activator, N-terminus

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

transcription activator of multidrug-efflux transporter genes mta

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

1jbg__assembly_1__model_1

1jbg__assembly_1__model_1 | I(q)

1jbg__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) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)