SAXSdb — 7k1c

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

HTH-type transcriptional regulator TtgR

Pseudomonas putida

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TTGR_PSEPT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–210； UniProt 1–210 Author chain B； PDBConstruct 1–210； UniProt 1–210

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	7k1c
Deposition date deposition_date	2020-09-07
Structure title title	TtgR in complex with resveratrol
Keywords keywords	TtgR, TetR family, epistasis, resveratrol, 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.

7k1c__assembly_1__model_1

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

Download this curve (.dat)

7k1c__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7k1c__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.86 Å
Rg (electron density)	22.65 Å
Total Rg	23.50 Å
Atom count	6661
Residues	414
Excluded volume	59017 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7k1c__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 (4)

Entity 1 Entity 1 polymer

Description description	HTH-type transcriptional regulator TtgR
Molecular weight formula_weight	23890.4 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	6910

MVRRTKEEAQETRAQIIEAAERAFYKRGVARTTLADIAELAGVTRGAIYWHFNNKAELVQALLDSLHETHDHLARASESEDEVDPLGCMRKLLLQVFNELVLDARTRRINEILHHKCEFTDDMCEIRQQRQSAVLDCHKGITLALANAVRRGQLPGELDAERAAVAMFAYVDGLIRRWLLLPDSVDLLGDVEKWVDTGLDMLRLSPALRK

Source Source

Source organism organism	Pseudomonas putida
NCBI taxonomy ID ncbi_taxonomy_id	1196325
Host organism host_organism	Escherichia coli BL21

Entity 2 Entity 2 non-polymer

Description description	RESVERATROL
Molecular weight formula_weight	228.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	193

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Unit-cell length a length_a	57.730 Å
Unit-cell length b length_b	64.500 Å
Unit-cell length c length_c	223.220 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	16

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	orthorhombic

Resolution resolution	1.900 Å
Low-resolution limit resolution_low	28.630 Å
R factor r_factor	0.1859
R_work r_work	0.1834
R_free r_free	0.2247

TtgR in complex with resveratrol

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

HTH-type transcriptional regulator TtgR

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

7k1c__assembly_1__model_1

7k1c__assembly_1__model_1 | I(q)

7k1c__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 (4)

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 water

7. Citations (1)

TtgR in complex with resveratrol

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

HTH-type transcriptional regulator TtgR

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

7k1c__assembly_1__model_1

7k1c__assembly_1__model_1 | I(q)

7k1c__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 (4)

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 water

7. Citations (1)