SAXSdb — 2xkw

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

PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR GAMMA

HOMO SAPIENS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	(5R)-5-{4-[2-(5-ethylpyridin-2-yl)ethoxy]benzyl}-1,3-thiazolidine-2,4-dione × 1 2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	(5R)-5-{4-[2-(5-ethylpyridin-2-yl)ethoxy]benzyl}-1,3-thiazolidine-2,4-dione × 1 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PPARG_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–274； UniProt 204–477 Author chain B； PDBConstruct 1–274； UniProt 204–477

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	2xkw
Deposition date deposition_date	2010-07-14
Structure title title	LIGAND BINDING DOMAIN OF HUMAN PPAR-GAMMA IN COMPLEX WITH THE AGONIST PIOGLITAZONE
Keywords keywords	TRANSCRIPTION, NUCLEAR RECEPTOR, TRANSCRIPTION FACTOR, GENE REGULATION, THIAZOLIDINEDIONE; 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.

2xkw__assembly_1__model_1

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

Download this curve (.dat)

2xkw__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2xkw__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	20.18 Å
Rg (electron density)	19.03 Å
Total Rg	20.12 Å
Atom count	2128
Residues	261
Excluded volume	38641 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2xkw__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2xkw__assembly_2__model_1`	monomeric （1）	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 (5)

Entity 1 Entity 1 polymer

Description description	PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR GAMMA
Molecular weight formula_weight	31321.4 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	4442

LNPESADLRALAKHLYDSYIKSFPLTKAKARAILTGKTTDKSPFVIYDMNSLMMGEDKIKFKHITPLQEQSKEVAIRIFQGCQFRSVEAVQEITEYAKSIPGFVNLDLNDQVTLLKYGVHEIIYTMLASLMNKDGVLISEGQGFMTREFLKSLRKPFGDFMEPKFEFAVKFNALELDDSDLAIFIAVIILSGDRPGLLNVKPIEDIQDNLLQALELQLKLNHPESSQLFAKLLQKMTDLRQIVTEHVQLLQVIKKTETDMSLHPLLQEIYKDLY

Source Source

Source organism organism	HOMO SAPIENS
Common name common_name	HUMAN
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	(5R)-5-{4-[2-(5-ethylpyridin-2-yl)ethoxy]benzyl}-1,3-thiazolidine-2,4-dione
Molecular weight formula_weight	356.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL
Molecular weight formula_weight	354.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID
Molecular weight formula_weight	238.3 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	182

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2xkwa_
Class class	a — All alpha proteins
Fold Fold fold	a.123 — Nuclear receptor ligand-binding domain
Superfamily Superfamily superfamily	a.123.1 — Nuclear receptor ligand-binding domain
Family Family family	a.123.1.1 — Nuclear receptor ligand-binding domain

Domain ID domain_id	d2xkwb_
Class class	a — All alpha proteins
Fold Fold fold	a.123 — Nuclear receptor ligand-binding domain
Superfamily Superfamily superfamily	a.123.1 — Nuclear receptor ligand-binding domain
Family Family family	a.123.1.1 — Nuclear receptor ligand-binding domain

CATH v4.4 (2 domains)

Domain ID domain_id	2xkwA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	565 — Retinoid X Receptor
Homologous superfamily homologous superfamily	10 — Retinoid X Receptor

Domain ID domain_id	2xkwB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	565 — Retinoid X Receptor
Homologous superfamily homologous superfamily	10 — Retinoid X Receptor

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Unit-cell length a length_a	92.861 Å
Unit-cell length b length_b	60.411 Å
Unit-cell length c length_c	119.849 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	103.01 °
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	2.020 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.1640
R_work r_work	0.1620
R_free r_free	0.2020

LIGAND BINDING DOMAIN OF HUMAN PPAR-GAMMA IN COMPLEX WITH THE AGONIST PIOGLITAZONE

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

PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR GAMMA

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

2xkw__assembly_1__model_1

2xkw__assembly_1__model_1 | I(q)

2xkw__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 (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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

LIGAND BINDING DOMAIN OF HUMAN PPAR-GAMMA IN COMPLEX WITH THE AGONIST PIOGLITAZONE

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

PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR GAMMA

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

2xkw__assembly_1__model_1

2xkw__assembly_1__model_1 | I(q)

2xkw__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 (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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)