SAXSdb — 2bow

▼

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

MULTIDRUG-EFFLUX TRANSPORTER 1 REGULATOR BMRR

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	MANGANESE (II) ION × 2 SULFATE ION × 2 TETRAPHENYLPHOSPHONIUM × 2 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	MANGANESE (II) ION × 2 SULFATE ION × 2 TETRAPHENYLPHOSPHONIUM × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	BMRR_BACSU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–159； UniProt 121–279

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	2bow
Deposition date deposition_date	1998-08-06
Structure title title	MULTIDRUG-BINDING DOMAIN OF TRANSCRIPTION ACTIVATOR BMRR IN COMPLEX WITH A LIGAND, TETRAPHENYLPHOSPHONIUM
Keywords keywords	MULTIDRUG BINDING, TRANSCRIPTION ACTIVATOR; TRANSCRIPTION ACTIVATOR
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.

2bow__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2bow__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2bow__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	24.93 Å
Rg (electron density)	24.42 Å
Total Rg	25.05 Å
Atom count	2152
Residues	260
Excluded volume	38806 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2bow__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2bow__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	MULTIDRUG-EFFLUX TRANSPORTER 1 REGULATOR BMRR
Molecular weight formula_weight	18492.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	1087

RLGEVFVLDEEEIRIIQTEAEGIGPENVLNASYSKLKKFIESADGFTNNSYGATFSFQPYTSIDEMTYRHIFTPVLTNKQISSITPDMEITTIPKGRYACIAYNFSPEHYFLNLQKLIKYIADRQLTVVSDVYELIIPIHYSPKKQEEYRVEMKIRILE

Source Source

Source organism organism	Bacillus subtilis
NCBI taxonomy ID ncbi_taxonomy_id	1423
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	MANGANESE (II) ION
Molecular weight formula_weight	54.9 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	TETRAPHENYLPHOSPHONIUM
Molecular weight formula_weight	339.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	11

▼

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2bowa1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.60 — Probable bacterial effector-binding domain
Superfamily Superfamily superfamily	d.60.1 — Probable bacterial effector-binding domain
Family Family family	d.60.1.1 — Multidrug-binding domain of transcription activator BmrR

Domain ID domain_id	d2bowa2
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 (1 domains)

Domain ID domain_id	2bowA00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	80 — Multidrug-efflux Transporter 1 Regulator Bmrr; Chain A
Homologous superfamily homologous superfamily	10 — Regulatory factor, effector binding domain

▶

Unit-cell length a length_a	82.600 Å
Unit-cell length b length_b	82.600 Å
Unit-cell length c length_c	104.200 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	12

Space group space_group	P 62 2 2
Space-group number int_tables_number	180
Crystal system crystal_system	—

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	16.000 Å
R factor r_factor	0.2350
R_work r_work	—
R_free r_free	0.3200

MULTIDRUG-BINDING DOMAIN OF TRANSCRIPTION ACTIVATOR BMRR IN COMPLEX WITH A LIGAND, TETRAPHENYLPHOSPHONIUM

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

MULTIDRUG-EFFLUX TRANSPORTER 1 REGULATOR BMRR

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

2bow__assembly_2__model_1

2bow__assembly_2__model_1 | I(q)

2bow__assembly_2__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

CATH v4.4 (1 domains)

7. Citations (1)

MULTIDRUG-BINDING DOMAIN OF TRANSCRIPTION ACTIVATOR BMRR IN COMPLEX WITH A LIGAND, TETRAPHENYLPHOSPHONIUM

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

MULTIDRUG-EFFLUX TRANSPORTER 1 REGULATOR BMRR

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

2bow__assembly_2__model_1

2bow__assembly_2__model_1 | I(q)

2bow__assembly_2__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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

CATH v4.4 (1 domains)

7. Citations (1)