8VV1 | pdb_00008vv1

Estrogen receptor alpha ligand binding domain in complex with palazestrant

• PDB DOI: https://doi.org/10.2210/pdb8VV1/pdb

• Classification: TRANSCRIPTION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2024-01-30 Released: 2025-03-19 
• Deposition Author(s): Ng, R.A., Barratt, S., Parisian, A., Palanisamy, G., Sun, R., Robello, B., Pena, G., Sapugay, J., Yeghikyan, D., Duncan, A., Andersen, S.E., Chawla, R., Rich, B., Hearn, B., Harmon, C., Hodges-Gallagher, L., Kushner, P.J., Greene, G.L., Myles, D.C., Fanning, S.W.
• Funding Organization(s): Not funded

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.231 (Depositor), 0.234 (DCC) 
• R-Value Work: 
  0.199 (Depositor), 0.204 (DCC) 
• R-Value Observed: 
  0.201 (Depositor) 

Starting Model: experimental

Literature

Estrogen receptor alpha ligand binding domain in complex with palazestrant

Fanning, S.W.

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)

Macromolecule Content 

• Total Structure Weight: 57.7 kDa 
• Atom Count: 3,720 
• Modeled Residue Count: 443 
• Deposited Residue Count: 498 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Estrogen receptor	A, B	249	Homo sapiens	Mutation(s): 3  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
A1AEA (Subject of Investigation/LOI)	C [auth A], D [auth B]	palazestrant C28 H36 F N3 O LBSFUBLFDCAEKV-XHCCPWGMSA-N
GOL	E [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.231 (Depositor), 0.234 (DCC) 
• R-Value Work:  0.199 (Depositor), 0.204 (DCC) 
• R-Value Observed: 0.201 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 102.126	α = 90
b = 57.268	β = 103.01
c = 87.147	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-03-19 
Deposition Author(s): Ng, R.A., Barratt, S., Parisian, A., Palanisamy, G., Sun, R., Robello, B., Pena, G., Sapugay, J., Yeghikyan, D., Duncan, A., Andersen, S.E., Chawla, R., Rich, B., Hearn, B., Harmon, C., Hodges-Gallagher, L., Kushner, P.J., Greene, G.L., Myles, D.C., Fanning, S.W.

---

Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-03-19
  Type: Initial release