Estrogen Receptor Alpha Ligand Binding Domain in Complex with Bazedoxifene

Experimental Data Snapshot

  • Resolution: 2.49 Å
  • R-Value Free: 0.268 
  • R-Value Work: 0.215 
  • R-Value Observed: 0.218 

wwPDB Validation   3D Report Full Report

Ligand Structure Quality Assessment 

This is version 1.2 of the entry. See complete history


Biochemical and Structural Basis for Constitutive Activity and Reduced SERM Potency in Acquired SERM/AI Resistant Metastatic Breast Cancers via ESR1 Somatic Mutation

Fanning, S.W.Mayne, C.G.Toy, W.Carlson, K.Greene, B.Nowak, J.Walter, R.Panchamukhi, S.Tajhorshid, E.Nettles, K.W.Chandarlapaty, S.Katzenellenbogen, J.Greene, G.L.

To be published.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Estrogen receptorA, B, C, D243Homo sapiensMutation(s): 2 
Gene Names: ESR1ESRNR3A1
UniProt & NIH Common Fund Data Resources
Find proteins for P03372 (Homo sapiens)
Explore P03372 
Go to UniProtKB:  P03372
PHAROS:  P03372
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP03372
Protein Feature View
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
Query on 29S

Download Ideal Coordinates CCD File 
E [auth A],
F [auth B],
G [auth C],
H [auth D]
C30 H34 N2 O3
 Ligand Interaction
Binding Affinity Annotations 
IDSourceBinding Affinity
29S BindingDB:  4XI3 IC50: min: 0.6, max: 50 (nM) from 4 assay(s)
Experimental Data & Validation

Experimental Data

  • Resolution: 2.49 Å
  • R-Value Free: 0.268 
  • R-Value Work: 0.215 
  • R-Value Observed: 0.218 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 53.575α = 86.76
b = 59.165β = 75.36
c = 94.144γ = 63.03
Software Package:
Software NamePurpose
HKL-3000data reduction
HKL-3000data scaling

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment 

Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
Department of Defense (DOD, United States)United StatesBC131458P1

Revision History  (Full details and data files)

  • Version 1.0: 2016-01-13
    Type: Initial release
  • Version 1.1: 2019-04-10
    Changes: Author supporting evidence, Data collection, Derived calculations, Structure summary
  • Version 1.2: 2019-11-27
    Changes: Author supporting evidence