1ERR

HUMAN ESTROGEN RECEPTOR LIGAND-BINDING DOMAIN IN COMPLEX WITH RALOXIFENE

Structural Biology Knowledgebase: 1ERR SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.299
  • R-Value Work: 0.219

Literature

Macromolecules
Sequence Display for 1ERR

Classification: NUCLEAR RECEPTOR

Total Structure Weight: 58841.61

Macromolecule Entities
Molecule Chains Length Organism Details
ESTROGEN RECEPTOR A, B 253 Homo sapiens Fragment: LIGAND-BINDING DOMAIN
Details: LIGAND-BINDING DOMAIN (DOMAIN E - RESIDUES 301-553) IN COMPLEX WITH THE SELECTIVE ANTAGONIST RALOXIFENE
Gene Name(s): ESR1 Gene View ESR NR3A1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
RAL
Query on RAL

A, B RALOXIFENE
C28 H27 N O4 S
GZUITABIAKMVPG-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
RAL EC50: 2.4 - 22 nM (100) BindingDB
IC50: 0.3 - 222 nM (95 - 100) BindingDB
Ki: 0.03 - 2 nM (100) BindingDB

N/A in BindingMoad
IC50: 7.7 nM  PDBbind
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
CCS
Query on CCS
A, B L-PEPTIDE LINKING C5 H9 N O4 S CYS

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.299
  • R-Value Work: 0.219
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 104.53 α = 90.00
b = 53.68 β = 116.79
c = 102.71 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-09-08
  • Released Date: 1998-09-16
  • Deposition author(s): Brzozowski, A.M., Pike, A.C.W.

Revision History

  • 2013-05-15
    Type: Atom nomenclature | Details: Change CCS atom OXT to O as part of polymer chain
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4