› 5kr9

X-ray diffraction
2.25Å resolution

Crystal Structure of the ER-alpha Ligand-binding Domain (Y537S) in Complex with Coumestrol

Released:
DOI: 10.2210/pdb5kr9/pdb
PDB 5kr9 coloured by chain and viewed from the front.
PDB 5kr9 coloured by chain and viewed from the side.
PDB 5kr9 coloured by chain and viewed from the top.
Source organism: Homo sapiens
Primary publication:
Systems Structural Biology Analysis of Ligand Effects on ERα Predicts Cellular Response to Environmental Estrogens and Anti-hormone Therapies.
Nwachukwu JC, Srinivasan S, Bruno NE, Nowak J, Wright NJ, Minutolo F, Rangarajan ES, Izard T, Yao XQ, Grant BJ, Kojetin DJ, Elemento O, Katzenellenbogen JA, Nettles KW
Cell Chem Biol 24 35-45 (2017)
PMID: 28042045

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

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: 257 amino acids
Theoretical weight: 29.3 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P03372 (Residues: 298-554; 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: 14 amino acids
Theoretical weight: 1.67 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q15596 (Residues: 686-699; Coverage: 1%)
Gene names: BHLHE75, NCOA2, SRC2, TIF2

Ligands and Environments

1 bound ligand:
Ligand CUE 2 x CUE
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P21
Unit cell:
a: 56.473Å b: 82.592Å c: 58.603Å
α: 90° β: 111.25° γ: 90°
R-values:
R R work R free
0.217 0.214 0.251
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided

Quick links

Citations

3 review citations

Application of Various Molecular Modelling Methods in the Study of Estrogens and Xenoestrogens.
Mazurek et al. (2020)
2 more