PDBe 3hlv

X-ray diffraction
3Å resolution

Crystal structure of human Estrogen Receptor Alpha Ligand-Binding Domain in complex with a Glucocorticoid Receptor Interacting Protein 1 Nr Box II Peptide and 16-alpha-hydroxy-estrone ((8S,9R,13S,14R,16R)-3,16-dihydroxy-13-methyl-7,8,9,11,12,14,15, 16-octahydro-6H-cyclopenta[a]phenanthren-17-one

Source organisms:
Entry authors: Rajan SS, Kim Y, Vanek K, Joachimiak A, Greene GL

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Estrogen receptor Chains: A, B
Molecule details ›
Chains: A, B
Length: 253 amino acids
Theoretical weight: 28.94 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P03372 (Residues: 298-550; Coverage: 43%)
Gene names: ESR, ESR1, NR3A1
Sequence domains: Ligand-binding domain of nuclear hormone receptor
Structure domains: Retinoid X Receptor
Nuclear receptor coactivator 2 Chains: C, D
Molecule details ›
Chains: C, D
Length: 13 amino acids
Theoretical weight: 1.58 KDa
Source organism: Rattus norvegicus
Expression system: Not provided
  • Canonical: Q9WUI9 (Residues: 686-698; Coverage: 1%)
Gene names: Ncoa2, Tif2

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P21
Unit cell:
a: 55.826Å b: 83.373Å c: 58.481Å
α: 90° β: 108.29° γ: 90°
R R work R free
0.219 0.217 0.269
Expression systems:
  • Escherichia coli
  • Not provided