PDBe 1xqc

X-ray diffraction
2.05Å resolution

X-ray structure of ERalpha LBD bound to a tetrahydroisoquinoline SERM ligand at 2.05A resolution


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Estrogen receptor Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 254 amino acids
Theoretical weight: 28.97 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P03372 (Residues: 301-553; Coverage: 43%)
Gene names: ESR, ESR1, NR3A1
Sequence domains: Ligand-binding domain of nuclear hormone receptor
Structure domains: Retinoid X Receptor

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM1A
Spacegroup: P21
Unit cell:
a: 55.114Å b: 156.569Å c: 58.962Å
α: 90° β: 90.35° γ: 90°
R R work R free
0.213 0.211 0.254
Expression system: Escherichia coli