XY028-133 (example 14) is a PROTAC-based CDK4/6 degrader with anti-tumor activity, extracted from patent WO2018106870A1.

KB02-SLF is a PROTAC-based nuclear FKBP12 degrader (molecular glue). KB02-SLF promotes nuclear FKBP12 degradation by covalently modifying DCAF16 (E3 ligase) and can improve the durability of protein degradation in biological systems. SLF binds ubiquitin E3 ligase ligand KB02 via a linker to form KB02-SLF.

NH2-PEG5-OH is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. NH2-PEG5-OH is also a non-cleavable 5 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs).

Halo PROTAC 1 is a PROTAC, which is a ligand having activity to bind to an intracellular proteins fused with HaloTag and a structure having activity to induce autophagy of an intracellular molecule are linked via a PEG linker.

KB02-JQ1 is a highly selective and PROTAC-based BRD4 degrader (molecular glue), but does not degrade BRD2 or BRD3. KB02-JQ1 promotes BRD4 degradation by covalently modifying DCAF16 (E3 ligase) and can improve the durability of protein degradation in biological systems. JQ1 binds ubiquitin E3 ligase ligand KB02 via a linker to form KB02-JQ1.

(S)-GNE-987 (compound 4), the GNE-987 (a chimeric BET degrader) hydroxy-proline epimer, abrogates binding to VHL and does not degrade BRD4 protein. (S)-GNE-987 binds to the BRD4 BD1(IC50=4 nM) and BD2 (3.9 nM) bromodomains and can be used to design PROTAC-Antibody Conjugate (PAC).

GNE-987 is a highly active chimeric BET degrader. GNE-987 exhibits picomolar cell BRD4 degradation activity (DC50=0.03 nM for EOL-1 AML cell line). GNE-987 binds equipotently to the BD1 and BD2 bromodomains of BRD4 with low nanomolar affinities (IC50=4.7 and 4.4 nM, respectively). GNE-987 incorporates a potent BET binder/inhibitor, a VHL-binding fragment, and a ten methylene spacer moiety. GNE-987 can be used in PROTAC-Antibody Conjugate (PAC).

PROTAC IRAK4 degrader-1 is a PROTAC interleukin-1 receptor-associated kinase 4 (IRAK4) degrader extracted from patent US20190192668A1 Compound I-210, makes <20%, >20-50%, and >50% IRAK4 degradation at 0.01, 0.1, and 1 μM in OCI-LY-10 cells, respectively.

NH2-PEG6-Boc is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. NH2-PEG6-Boc is also a non-cleavable 6 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs).

Amino-PEG4-CH2COOH is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. Amino-PEG4-CH2COOH is also a non-cleavable 4 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs).

Azido-PEG6-alcohol is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. Azido-PEG6-alcohol is also a non-cleavable 6 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs).

MS432 is a first-in-class and highly selective PD0325901-based VHL-recruiting PROTAC degrader for MEK1 and MEK2. MS432 displays good plasma exposure in mice, exhibiting DC50 values of 31 nM and 17 nM for MEK1, MEK2 in HT29 cells respectively.

DT2216 is a selective B-cell lymphoma extra large (BCL-XL) proteolysis-targeting chimera (PROTAC). DT2216 targets BCL-XL to the Von Hippel-Lindau (VHL) E3 ligase for degradation. DT2216 inhibits various BCL-XL-dependent leukemia and cancer cells but considerably less toxic to platelets.

PROTAC EED degrader-1 is a PROTAC targeting EED with a pKD of 9.02. PROTAC EED degrader-1 is a polycomb repressive complex 2 (PRC2) inhibitor (pIC50=8.17) targeting the EED subunit.

PROTAC EED degrader-2 is a PROTAC targeting EED with a pKD of 9.27. PROTAC EED degrader-2 is a polycomb repressive complex 2 (PRC2) inhibitor (pIC50=8.11) targeting the EED subunit.

Azido-PEG4-C2-acid a PEG-based PROTAC linker can be used in the synthesis of vRucaparib-TP4. Azido-PEG4-C2-acid is also a non-cleavable 4 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs).

UNC6852 is a selective rolycomb repressive complex 2 (PRC2) degrader based on PROTAC and contains an EED (embryonic ectoderm development) ligand and a VHL ligand, with an IC50 of 247 nM for EED.

PROTAC CDK2/9 Degrader-1 (Compound F3) is a potent dual degrader for CDK2 (DC50=62 nM) and CDK9 (DC50=33 nM). PROTAC CDK2/9 Degrader-1 suppresses prostate cancer PC-3 cell proliferation (IC50=0.12 µM) by effectively blocking the cell cycle in S and G2/M phases. PROTAC CDK2/9 Degrader-1 is a PROTAC by tethering CDK inhibitor with CRBN ligand.

CC-90009 is a cereblon modulator. CC-90009 specifically binds to CRBN, thereby affecting the activity of the ubiquitin E3 ligase complex. This leads to the ubiquitination of certain substrate proteins and induces the proteasome-mediated degradation of certain transcription factors, including Ikaros (IKZF1) and Aiolos (IKZF3), which are transcriptional repressors in T-cells. This reduces the levels of these transcription factors, and modulates the activity of the immune system, which may include the activation of T-lymphocytes. .

ARD-266 is a a highly potent and VHL E3 ligase-based androgen receptor (AR) PROTAC degrader. ARD-266 effectively induces degradation of AR protein in AR-positive LNCaP, VCaP, and 22Rv1 prostate cancer cell lines with DC50 values of 0.2-1 nM.

INY-03-041 is a potent, highly selective and PROTAC-based pan-AKT degrader consisting of the ATP-competitive AKT inhibitor GDC-0068 conjugated to Lenalidomide. INY-03-041 inhibits AKT1, AKT2 and AKT3 with IC50s of 2.0 nM, 6.8 nM and 3.5 nM, respectively.

PROTAC BRD4 Degrader-1 is an efficacious BRD4 degrader with an IC50 of 41.8 nM against BRD4 BD1. PROTAC BRD4 Degrader-1 can effectively degrade BRD4 protein and suppress c-Myc expression.