8BZF

FC-J acetonide stabilizer of 14-3-3 and ERalpha

• PDB DOI: https://doi.org/10.2210/pdb8BZF/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-12-14 Released: 2023-12-27 
• Deposition Author(s): Visser, E.J., Ottmann, C.
• Funding Organization(s): Netherlands Organisation for Scientific Research (NWO)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.53 Å
• R-Value Free: 0.214 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 

Literature

Stabilization of the Estrogen receptor alpha - 14-3-3 interaction as a potential intervention strategy for endocrine resistance in breast cancer

Visser, E.J., Donaldson Collier, M., Siefert, J., Konstantinidou, M., Paul, S., Cossar, P., Miley, G., Meijer, O., Arkin, M.R., Ottmann, C., Zwart, W., Brunsveld, L.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 27.78 kDa 
• Atom Count: 2,224 
• Modelled Residue Count: 241 
• Deposited Residue Count: 241 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
14-3-3 protein sigma	A	236	Homo sapiens	Mutation(s): 0  Gene Names: SFN, HME1
UniProt & NIH Common Fund Data Resources
Find proteins for P31947 (Homo sapiens) Explore P31947  Go to UniProtKB:  P31947
PHAROS:  P31947 GTEx:  ENSG00000175793

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
ERalpha peptide	B	5	Homo sapiens	Mutation(s): 0
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
SJ4 (Subject of Investigation/LOI)	F [auth A]	Fusicoccin J-acetonide C30 H50 O9 FCNSWQFLGXKIIS-QNUBNVCASA-N
MG	C [auth A], D [auth A], E [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
TPO	B	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.53 Å
• R-Value Free: 0.214 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.85	α = 90
b = 112.086	β = 90
c = 62.43	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-12-27 
Deposition Author(s): Visser, E.J., Ottmann, C.

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Funding Organization	Location	Grant Number
Netherlands Organisation for Scientific Research (NWO)	Netherlands	--

Revision History  

• Version 1.0: 2023-12-27
  Type: Initial release