6OWC

Mutant estrogen receptor alpha (ERa) Y537S covalently bound to H3B-6545.

• PDB DOI: https://doi.org/10.2210/pdb6OWC/pdb

• Classification: Transcription/transcription inhibitor
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2019-05-09 Released: 2019-06-19 
• Deposition Author(s): Larsen, N.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.226 
• R-Value Work: 0.178 
• R-Value Observed: 0.180 

Starting Model: experimental

Literature

Mutant estrogen receptor alpha (ERa) Y537S covalently bound to H3B-6545.

Furman, C.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 59.88 kDa 
• Atom Count: 4,191 
• Modelled Residue Count: 474 
• Deposited Residue Count: 516 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Estrogen receptor	A, B	258	Homo sapiens	Mutation(s): 2  Gene Names: ESR1, ESR, NR3A1
UniProt & NIH Common Fund Data Resources
Find proteins for P03372 (Homo sapiens) Explore P03372  Go to UniProtKB:  P03372
PHAROS:  P03372 GTEx:  ENSG00000091831

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ND1 (Subject of Investigation/LOI)	C [auth A], D [auth B]	(2Z)-N,N-dimethyl-4-{[2-({5-[(1Z)-4,4,4-trifluoro-1-(3-fluoro-2H-indazol-5-yl)-2-phenylbut-1-en-1-yl]pyridin-2-yl}oxy)ethyl]amino}but-2-enamide C30 H29 F4 N5 O2 JPFTZIJTXCHJNE-LTZHIIGJSA-N
EDO	E [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.226 
• R-Value Work: 0.178 
• R-Value Observed: 0.180 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.46	α = 90
b = 83.46	β = 90
c = 151.98	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
xia2	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-06-19 
Deposition Author(s): Larsen, N.A.

Revision History  

• Version 1.0: 2019-06-19
  Type: Initial release
  
• Version 1.1: 2023-10-11
  Changes: Data collection, Database references, Refinement description