SAXSdb — 2j7x

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

ESTROGEN RECEPTOR BETA

RATTUS NORVEGICUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	NUCLEAR RECEPTOR COACTIVATOR 5 × 1 （Q9HCD5） ESTRADIOL × 1 1,2-ETHANEDIOL × 4 SULFATE ION × 1 BICARBONATE ION × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ESR2_RAT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–255； UniProt 255–509

NUCLEAR RECEPTOR COACTIVATOR 5

OrganismNot specified

UniProt Q9HCD5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	ESTROGEN RECEPTOR BETA × 1 （Q62986） ESTRADIOL × 1 1,2-ETHANEDIOL × 4 SULFATE ION × 1 BICARBONATE ION × 1 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	NCOA5_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–17； UniProt 338–354

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	2j7x
Deposition date deposition_date	2006-10-17
Structure title title	STRUCTURE OF ESTRADIOL-BOUND ESTROGEN RECEPTOR BETA LBD IN COMPLEX WITH LXXLL MOTIF FROM NCOA5
Keywords keywords	ZINC-FINGER, NUCLEAR RECEPTOR, PHOSPHORYLATION, STEROID-BINDING, GLYCOPROTEIN, TRANSCRIPTION REGULATION, 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.

2j7x__assembly_1__model_1

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

Download this curve (.dat)

2j7x__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2j7x__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.11 Å
Rg (electron density)	17.75 Å
Total Rg	18.78 Å
Atom count	1896
Residues	239
Excluded volume	34577 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2j7x__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 (7)

Entity 1 Entity 1 polymer

Description description	ESTROGEN RECEPTOR BETA
Molecular weight formula_weight	28686.0 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	2014

VKELLLSTLSPEQLVLTLLEAEPPNVLVSRPSMPFTEASMMMSLTKLADKELVHMIGWAKKIPGFVELSLLDQVRLLESCWMEVLMVGLMWRSIDHPGKLIFAPDLVLDRDEGKCVEGILEIFDMLLATTSRFRELKLQHKEYLCVKAMILLNSSMYPLASANQEAESSRKLTHLLNAVTDALVWVIAKSGISSQQQSVRLANLLMLLSHVRHISNKGMEHLLSMKCKNVVPVYDLLLEMLNAHTLRGYKSSISG

Source Source

Source organism organism	RATTUS NORVEGICUS
Common name common_name	NORWAY RAT
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 polymer

Description description	NUCLEAR RECEPTOR COACTIVATOR 5
Molecular weight formula_weight	1937.2 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

HPPAIQSLINLLADNRY

Entity 3 Entity 3 non-polymer

Description description	ESTRADIOL
Molecular weight formula_weight	272.4 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	1,2-ETHANEDIOL
Molecular weight formula_weight	62.1 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 5 Entity 5 non-polymer

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

Entity 6 Entity 6 non-polymer

Description description	BICARBONATE ION
Molecular weight formula_weight	61.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 7 Entity 7 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	98

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d2j7xa_
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 (1 domains)

Domain ID domain_id	2j7xA00
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	62.550 Å
Unit-cell length b length_b	62.550 Å
Unit-cell length c length_c	171.700 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	P 41 2 2
Space-group number int_tables_number	91
Crystal system crystal_system	—

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	40.000 Å
R factor r_factor	0.1920
R_work r_work	0.1900
R_free r_free	0.2340

STRUCTURE OF ESTRADIOL-BOUND ESTROGEN RECEPTOR BETA LBD IN COMPLEX WITH LXXLL MOTIF FROM NCOA5

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

ESTROGEN RECEPTOR BETA

State in the Current Structure

Other States of the Same Protein in the Database

NUCLEAR RECEPTOR COACTIVATOR 5

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

2j7x__assembly_1__model_1

2j7x__assembly_1__model_1 | I(q)

2j7x__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)

STRUCTURE OF ESTRADIOL-BOUND ESTROGEN RECEPTOR BETA LBD IN COMPLEX WITH LXXLL MOTIF FROM NCOA5

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

ESTROGEN RECEPTOR BETA

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

NUCLEAR RECEPTOR COACTIVATOR 5

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

2j7x__assembly_1__model_1

2j7x__assembly_1__model_1 | I(q)

2j7x__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 (7)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

Entity 7 Entity 7 water

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

CATH v4.4 (1 domains)

7. Citations (1)