Crystal Structure of the Estrogen Receptor alpha Ligand-binding Domain in Complex with a Dynamic Oxime-derivative

Structural Biology Knowledgebase: 4IWF SBKB.org

Experimental Data Snapshot

  • Resolution: 1.93 Å
  • R-Value Free: 0.209
  • R-Value Work: 0.173

wwPDB Validation Full Report


Sequence Display for 4IWF

Classification: Transcription

Total Structure Weight: 59495.18

Macromolecule Entities
Molecule Chains Length Organism Details
Estrogen receptor A, B 247 Homo sapiens Fragment: Ligand-binding Domain, UNP residues 303-549
Mutation: Y537S
Gene Name(s): ESR1 Gene View ESR NR3A1
Nuclear receptor coactivator 2 C, D 10 Homo sapiens Fragment: Receptor-interacting peptide, UNP residues 687-696
Gene Name(s): NCOA2 Gene View BHLHE75 SRC2 TIF2

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
Query on 15Q

A, B 2-chloro-3'-fluoro-3-[(E)-(hydroxyimino)methyl]biphenyl- 4,4'-diol
C13 H9 Cl F N O3
Ligand Explorer
Binding Pocket (JSmol)
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
15Q EC50: 8.4 nM (99) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Resolution: 1.93 Å
  • R-Value Free: 0.209
  • R-Value Work: 0.173
  • Space Group: P 1 21 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 55.90 α = 90.00
b = 83.04 β = 108.54
c = 58.19 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots

Entry History

Deposition Data

  • Deposited Date: 2013-01-23
  • Released Date: 2013-03-27
  • Deposition author(s): Nwachukwu, J.C., Srinivasan, S., Parent, A.A., Cavett, V., Nowak, J., Hughes, T.S., Kojetin, D.J., Katzenellenbogen, J.A., Nettles, K.W.

Revision History

  • 2013-06-26
    Type: Citation | Details: Citation update