Androgen receptor degradation by the proteolysis-targeting chimera ARCC-4 outperforms enzalutamide in cellular models of prostate cancer drug resistance. Commun Biol. 2018 Aug 2;1:100. PMID:30271980 DOI:10.1038/s42003-018-0105-8
Target: AR Androgen receptor P10275 Homo sapiens
E3 ligase: VHL
E3 binder: Vh032
SMILES: show
Cc1ncsc1-c1ccc(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](N)C(C)(C)C)cc1

Ligand Name: Enzalutamide
IC50: = 70 nM
SMILES: show
CNC(=O)c1ccc(N2C(=S)N(c3ccc(C#N)c(C(F)(F)F)c3)C(=O)C2(C)C)cc1F

Calculated Values
MW: 1,024.20
Hbond donors: 3
Hbond acceptors: 11
cLogP: 8.58
TPSA: 177.43

SMILES: show
Cc1ncsc1-c1ccc(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)COCCCCOc2ccc(-c3ccc(N4C(=S)N(c5ccc(C#N)c(C(F)(F)F)c5)C(=O)C4(C)C)cc3)cc2)C(C)(C)C)cc1

Linker type: Other
Incubation time (hours): 20
Cells: VCaP
IC50: = 36 nM
DC50: = 5 nM
Dmax: = 98 %
Tested a non-binding E3 control?: Yes
Tested competition with ligand?: No
Tested proteaseome inhibitor?: Yes
Proteomics data available?: No
Tested engagement in cells?: No
Off-targets reported?: No
Contributed by: Daniel Zaidman
Calculated Values
MW: 1,020.21
Hbond donors: 3
Hbond acceptors: 12
cLogP: 7.71
TPSA: 186.66

SMILES: show
Cc1ncsc1-c1ccc(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)COCCCOCCCCCOc2ccc(N3C(=S)N(c4ccc(C#N)c(C(F)(F)F)c4)C(=O)C3(C)C)cc2)C(C)(C)C)cc1

Linker type: non-PEG polyether
Incubation time (hours): 20
Cells: VCaP
DC50: = 15 nM
Dmax: = 76 %
Tested a non-binding E3 control?: No
Tested competition with ligand?: No
Tested proteaseome inhibitor?: No
Proteomics data available?: No
Tested engagement in cells?: No
Off-targets reported?: No
Contributed by: Daniel Zaidman
Calculated Values
MW: 1,008.16
Hbond donors: 3
Hbond acceptors: 13
cLogP: 6.16
TPSA: 195.89

SMILES: show
Cc1ncsc1-c1ccc(CNC(=O)[C@@H]2C[C@@H](O)CN2C(=O)[C@@H](NC(=O)COCCOCCOCCOc2ccc(N3C(=S)N(c4ccc(C#N)c(C(F)(F)F)c4)C(=O)C3(C)C)cc2)C(C)(C)C)cc1

Linker type: PEG
Incubation time (hours): 20
Cells: VCaP
Dmax: = 47 %
Tested a non-binding E3 control?: No
Tested competition with ligand?: No
Tested proteaseome inhibitor?: No
Proteomics data available?: No
Tested engagement in cells?: No
Off-targets reported?: No
Contributed by: Daniel Zaidman