4nqa

Crystal structure of liganded hRXR-alpha/hLXR-beta heterodimer on DNA

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Retinoic acid receptor RXR-alpha

Homo sapiens

UniProt P19793

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 4 DNA 2 Liver X nuclear receptor beta × 1 (F1D8P7) Nuclear receptor coactivator 2 × 2 (Q15596) 5'-D(*TP*AP*AP*GP*GP*TP*CP*AP*CP*TP*TP*CP*AP*GP*GP*TP*CP*A)-3' × 1 5'-D(*TP*AP*TP*GP*AP*CP*CP*TP*GP*AP*AP*GP*TP*GP*AP*CP*CP*T)-3' × 1 (9cis)-retinoic acid × 1 ZINC ION × 4 [3-(3-{[2-chloro-3-(trifluoromethyl)benzyl](2,2-diphenylethyl)amino}propoxy)phenyl]acetic acid × 1 Consistent with all polymers
2 Protein–DNA Heteromer Protein 4 DNA 2 Liver X nuclear receptor beta × 1 (F1D8P7) Nuclear receptor coactivator 2 × 2 (Q15596) 5'-D(*TP*AP*AP*GP*GP*TP*CP*AP*CP*TP*TP*CP*AP*GP*GP*TP*CP*A)-3' × 1 5'-D(*TP*AP*TP*GP*AP*CP*CP*TP*GP*AP*AP*GP*TP*GP*AP*CP*CP*T)-3' × 1 (9cis)-retinoic acid × 1 ZINC ION × 4 [3-(3-{[2-chloro-3-(trifluoromethyl)benzyl](2,2-diphenylethyl)amino}propoxy)phenyl]acetic acid × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RXRA_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–365; UniProt 98–462 Author chain H; PDBConstruct 1–365; UniProt 98–462

Liver X nuclear receptor beta

Homo sapiens

UniProt F1D8P7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 4 DNA 2 Retinoic acid receptor RXR-alpha × 1 (P19793) Nuclear receptor coactivator 2 × 2 (Q15596) 5'-D(*TP*AP*AP*GP*GP*TP*CP*AP*CP*TP*TP*CP*AP*GP*GP*TP*CP*A)-3' × 1 5'-D(*TP*AP*TP*GP*AP*CP*CP*TP*GP*AP*AP*GP*TP*GP*AP*CP*CP*T)-3' × 1 (9cis)-retinoic acid × 1 ZINC ION × 4 [3-(3-{[2-chloro-3-(trifluoromethyl)benzyl](2,2-diphenylethyl)amino}propoxy)phenyl]acetic acid × 1 Consistent with all polymers
2 Protein–DNA Heteromer Protein 4 DNA 2 Retinoic acid receptor RXR-alpha × 1 (P19793) Nuclear receptor coactivator 2 × 2 (Q15596) 5'-D(*TP*AP*AP*GP*GP*TP*CP*AP*CP*TP*TP*CP*AP*GP*GP*TP*CP*A)-3' × 1 5'-D(*TP*AP*TP*GP*AP*CP*CP*TP*GP*AP*AP*GP*TP*GP*AP*CP*CP*T)-3' × 1 (9cis)-retinoic acid × 1 ZINC ION × 4 [3-(3-{[2-chloro-3-(trifluoromethyl)benzyl](2,2-diphenylethyl)amino}propoxy)phenyl]acetic acid × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name F1D8P7_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 2–391; UniProt 72–461 Author chain I; PDBConstruct 2–391; UniProt 72–461

Nuclear receptor coactivator 2

Homo sapiens

UniProt Q15596

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–DNA Heteromer Protein 4 DNA 2 Retinoic acid receptor RXR-alpha × 1 (P19793) Liver X nuclear receptor beta × 1 (F1D8P7) 5'-D(*TP*AP*AP*GP*GP*TP*CP*AP*CP*TP*TP*CP*AP*GP*GP*TP*CP*A)-3' × 1 5'-D(*TP*AP*TP*GP*AP*CP*CP*TP*GP*AP*AP*GP*TP*GP*AP*CP*CP*T)-3' × 1 (9cis)-retinoic acid × 1 ZINC ION × 4 [3-(3-{[2-chloro-3-(trifluoromethyl)benzyl](2,2-diphenylethyl)amino}propoxy)phenyl]acetic acid × 1 Consistent with all polymers
2 Protein–DNA Heteromer Protein 4 DNA 2 Retinoic acid receptor RXR-alpha × 1 (P19793) Liver X nuclear receptor beta × 1 (F1D8P7) 5'-D(*TP*AP*AP*GP*GP*TP*CP*AP*CP*TP*TP*CP*AP*GP*GP*TP*CP*A)-3' × 1 5'-D(*TP*AP*TP*GP*AP*CP*CP*TP*GP*AP*AP*GP*TP*GP*AP*CP*CP*T)-3' × 1 (9cis)-retinoic acid × 1 ZINC ION × 4 [3-(3-{[2-chloro-3-(trifluoromethyl)benzyl](2,2-diphenylethyl)amino}propoxy)phenyl]acetic acid × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name NCOA2_HUMAN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–13; UniProt 686–698 Author chain D; PDBConstruct 1–13; UniProt 686–698 Author chain J; PDBConstruct 1–13; UniProt 686–698 Author chain K; PDBConstruct 1–13; UniProt 686–698

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_id4nqa
Deposition date deposition_date2013-11-24
Structure title titleCrystal structure of liganded hRXR-alpha/hLXR-beta heterodimer on DNA
Keywords keywordsmulti-domain, RXR, LXR, DBD, LBD, ligand, zinc finger, TRANSCRIPTION REGULATOR-DNA complex; TRANSCRIPTION REGULATOR/DNA
Experimental Method methodX-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.

4nqa__assembly_1__model_1

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

Download this curve (.dat)

4nqa__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

4nqa__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)33.47 Å
Rg (electron density)32.36 Å
Total Rg32.91 Å
Atom count6436
Residues744
Excluded volume112420 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4nqa__assembly_1__model_1 hexameric (6) Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 4nqa__assembly_2__model_1 hexameric (6) 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 (8)

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6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id4nqaA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology50 — Erythroid Transcription Factor GATA-1; Chain A
Homologous superfamily homologous superfamily10 — Erythroid Transcription Factor GATA-1, subunit A
Domain ID domain_id4nqaA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id4nqaB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology50 — Erythroid Transcription Factor GATA-1; Chain A
Homologous superfamily homologous superfamily10 — Erythroid Transcription Factor GATA-1, subunit A
Domain ID domain_id4nqaB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id4nqaH01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology50 — Erythroid Transcription Factor GATA-1; Chain A
Homologous superfamily homologous superfamily10 — Erythroid Transcription Factor GATA-1, subunit A
Domain ID domain_id4nqaH02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
Domain ID domain_id4nqaI01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology50 — Erythroid Transcription Factor GATA-1; Chain A
Homologous superfamily homologous superfamily10 — Erythroid Transcription Factor GATA-1, subunit A
Domain ID domain_id4nqaI02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology565 — Retinoid X Receptor
Homologous superfamily homologous superfamily10 — Retinoid X Receptor
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7. Citations (1)