SAXSdb — 3aqs

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

Bacterial regulatory proteins, tetR family

Corynebacterium glutamicum

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8NR95_CORGL
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 17–245； UniProt 1–229 Author chain B； PDBConstruct 17–245； UniProt 1–229 Author chain C； PDBConstruct 17–245； UniProt 1–229 Author chain D； PDBConstruct 17–245； UniProt 1–229

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	3aqs
Deposition date deposition_date	2010-11-18
Structure title title	Crystal structure of RolR (NCGL1110) without ligand
Keywords keywords	;HELIX-TURN-HELIX, ALL ALPHA, TRANSCRIPTION, TRANSCRIPTION REGULATION, TRANSCRIPTION REGULATOR, all helix, TetR family, transcriptional repressor, resorcinol binding, DNA binding ;; TRANSCRIPTION REGULATOR
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.

3aqs__assembly_2__model_1

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

Download this curve (.dat)

3aqs__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3aqs__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	23.19 Å
Rg (electron density)	22.07 Å
Total Rg	22.78 Å
Atom count	2845
Residues	371
Excluded volume	50675 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3aqs__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3aqs__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 (1)

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	3aqsA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	357 — Tetracycline Repressor; domain 2
Homologous superfamily homologous superfamily	10 — Tetracycline Repressor, domain 2

Domain ID domain_id	3aqsB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	357 — Tetracycline Repressor; domain 2
Homologous superfamily homologous superfamily	10 — Tetracycline Repressor, domain 2

Domain ID domain_id	3aqsC00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	357 — Tetracycline Repressor; domain 2
Homologous superfamily homologous superfamily	10 — Tetracycline Repressor, domain 2

Domain ID domain_id	3aqsD00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	357 — Tetracycline Repressor; domain 2
Homologous superfamily homologous superfamily	10 — Tetracycline Repressor, domain 2

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Unit-cell length a length_a	152.950 Å
Unit-cell length b length_b	152.950 Å
Unit-cell length c length_c	117.480 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	32

Space group space_group	P 41 2 2
Space-group number int_tables_number	91
Crystal system crystal_system	—

Resolution resolution	3.600 Å
Low-resolution limit resolution_low	93.170 Å
R factor r_factor	0.2200
R_work r_work	0.2200
R_free r_free	0.2920

Description description	Bacterial regulatory proteins, tetR family
Molecular weight formula_weight	26905.3 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	5690

Crystal structure of RolR (NCGL1110) without ligand

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

Bacterial regulatory proteins, tetR family

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

3aqs__assembly_2__model_1

3aqs__assembly_2__model_1 | I(q)

3aqs__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Corynebacterium glutamicum
Common name common_name	Brevibacterium flavum
NCBI taxonomy ID ncbi_taxonomy_id	196627
Host organism host_organism	Escherichia coli

Crystal structure of RolR (NCGL1110) without ligand

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

Bacterial regulatory proteins, tetR family

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

3aqs__assembly_2__model_1

3aqs__assembly_2__model_1 | I(q)

3aqs__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 (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)