Structure analysis

CRYSTAL STRUCTURE at 1.9 ANGSTROEMS RESOLUTION OF THE HOMODIMER OF HUMAN RXR ALPHA LIGAND BINDING DOMAIN BOUND TO THE SYNTHETIC AGONIST COMPOUND BMS 649 AND A COACTIVATOR PEPTIDE

X-ray diffraction
1.9Å resolution
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero tetramer
Accessible surface area: 19968.85 Å2
Buried surface area: 6041.79 Å2
Dissociation area: 1,032.6 Å2
Dissociation energy (ΔGdiss): -4.94 kcal/mol
Dissociation entropy (TΔSdiss): 13 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-148727
Complex Portal ID: CPX-513
Assembly 2
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Multimeric state: hetero tetramer
Accessible surface area: 19758.69 Å2
Buried surface area: 6170.33 Å2
Dissociation area: 1,052.25 Å2
Dissociation energy (ΔGdiss): -4.57 kcal/mol
Dissociation entropy (TΔSdiss): 13 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-148727
Complex Portal ID: CPX-513

Macromolecules

Chains: A, C, E, G
Length: 240 amino acids
Theoretical weight: 26.86 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P19793 (Residues: 223-462; Coverage: 52%)
Gene names: NR2B1, RXRA
Pfam: Ligand-binding domain of nuclear hormone receptor
InterPro:
CATH: Retinoid X Receptor
SCOP: Nuclear receptor ligand-binding domain

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Chains: B, D, F, H
Length: 13 amino acids
Theoretical weight: 1.58 KDa
Source organism: synthetic construct
Expression system: Not provided
UniProt:
  • Canonical: Q15596 (Residues: 686-698; Coverage: 1%)
Gene names: BHLHE75, NCOA2, SRC2, TIF2

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