dc50

PROTAC BRD4 ligand-1, a component of Protac GNE-987, is a ligand for BRD4 and acts as an inhibitor of BET.

Vepdegestrant (ARV-471) is an estrogen receptor (ER) α PROTAC molecule that degrades ER in ER-positive breast cancer cell lines with a DC50 of approximately 1 nM. It can reduce the expression of classically regulated ER target genes and inhibit the growth of ER-dependent cell lines (including those expressing ESR1 variants, such as Y537S and D538G) by degrading ER.

1,2-Bis(2-iodoethoxy)ethane is a PEG-based PROTAC linker used in the synthesis of MT802 and SJF620, which are potent PROTAC BTK degraders with DC50s of 1 nM and 7.9 nM, respectively [1].

MS 39 is a highly effective, highly affinity and selective depressant of mutant epidermal growth factor receptor (EGFR) with high efficiency, high affinity and selectivity. MS 39, conjured by gefitinib to VHL ligand via a linker, effectively induced the degradation of mutant EGFR (DC50 values in HCC827(exon 19 del) and H3255 (L858R mutation) lung cancer cell lines were 5 nM and 3.3 nM, respectively). However, there was no significant effect in wild-type EGFR cell lines with concentrations up to 10 μM. MS 39 inhibited the proliferation of H3255 lung cancer cells in vitro and was bioavailable in mice after administration.

FC 11 is a highly potent focal adhesion Ki nase (FAK) PROTAC®Degrader (DC50 values are 40 to 370 pM depending on cell line), which is composed of the FAK inhibitor PF 562217 joined by a linker to the cereblon-binding ligand Pomalidomide. The effects of FC 11 are reversible upon compound wash out. FC 11 also degrades autophosphorylated FAK (pFAKtyr397), displaying near complete degradation after 3 hours at 100 nM in TM3 cells.

JQAD1 is a potent and selective histone acetyltransferase EP300 degrader (PROTAC®; DC50≤ 31.6 nM); comprises an EP300 inhibitor, A485, joined by a linker to a cereblon E3 ligase ligand. JQAD1 brings about degradation of EP300 in neuroblastoma cell lines in a proteasome-dependent manner. JQAD1 suppresses both H3K27ac and EP300 expression levels and induces apoptosis. JQAD1 suppresses tumors growth in NSG mice xenografted with Kelly cells. CRC and MYCN genes are downregulated in tumors treated with JQAD1. JQAD1 exhibits no significant effect on coactivator CBP at concentrations inducing EP300 degradation.

GDC-2992 is a selective and oral AR (androgen receptor) degrader that inhibits the proliferation of tumor cells overexpressing AR, degrades AR (DC50 = 2.7 nM) and inhibits proliferation (IC50 = 9.7 nM) in VCaP cells, and can be used for oncology studies in denuded resistant prostate cancer (CRPC).

(S,R,S)-AHPC-Me hydrochloride (VHL ligand 2 hydrochloride) is utilized in the synthesis of ARV-771, a potent BET protein degrader. It selectively degrades BET protein in castration-resistant cells with a DC50 <1 nM. Recognized as VHL ligand 2 hydrochloride, it serves as the VHL ligand from (S,R,S)-AHPC for recruiting von Hippel-Lindau (VHL) protein.

N-piperidine Ibrutinib is a potent BTK inhibitor with IC50s of 51.0 for WT BTK and 30.7 nM for C481S BTK respectively. N-piperidine Ibrutinib can be used as a BTK ligand in the synthesis of a series of PROTACs, such as SJF620. SJF620 is a potent PROTAC BTK degrader with a DC50 of 7.9 nM.

PROTAC Bcl2 degrader-1 is a PROTAC, which potently and selectively induces the degradation of Mcl-1 (IC50: 11.81 μM) and Bcl-2 (IC50: 4.94 μM; DC50: 3.0 μM).

GNE-987 is a highly active chimeric BET degrader. 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 exhibits picomolar cell BRD4 degradation activity (DC50: 0.03

PROTAC CDK2 9 Degrader-1 is a potent CDK2 and CDK9 dual degrader(DC50 of 62 nM and 33 nM).

TD-428 is a highly specific degrader of BRD4(DC50 of 0.32 nM). TD-428 is a BET PROTAC, which comprises TD-106 (a CRBN ligand) linked to JQ1 (a BET inhibitor). TD-428 efficiently induce BET protein degradation.

CP-10 is a PROTAC with highly selective and remarkable CDK6 degradation (DC50: 2.1 nM). It inhibits the proliferation of several hematopoietic cancer cells including multiple myeloma and can degrade mutated and overexpressed CDK6.

(S,R,S)-AHPC-Me dihydrochloride, also known as VHL ligand 2 dihydrochloride, is a chemical compound used in the synthesis of ARV-771. ARV-771 is a BET PROTAC degrader that relies on von Hippel-Landau (VHL) E3 ligase and exhibits potent degradation of BET proteins in castration-resistant prostate cancer (CRPC) cells, with a DC50 of less than 1 nM. This compound acts as the VHL ligand, specifically the (S,R,S)-AHPC-based VHL ligand, facilitating the recruitment of von Hippel-Lindau (VHL) protein.

ERD-308 induces >95% of ER degradation at concentrations as low as 5 nM in both cell lines (DC50 (concentration causing 50% of protein degradation) of 0.17 nM and 0.43 nM in MCF-7 and T47D ER+ cells, respectively).ERD-308 is a highly potent PROTAC degrade

iRucaparib-AP6, a non-trapping PARP1 degrader, blocks both the catalytic activity and scaffolding effects of PARP1. iRucaparib-AP6 is a highly efficient and specific PARP1 degrader based on Rucaparib by using the PROTAC approach.

MS432 is a highly selective PD0325901-based VHL-recruiting PROTAC degrader for MEK1 and MEK2.

PROTAC FAK degrader 1 is a selective and potent degrader of focal adhesion kinase (Fak) with an IC50 of 6.5 nM.

SJF620 is a potent degrader of PROTAC BTK(DC50 : 7.9 nM).

VHL Ligand 8, a VHL ligand essential for synthesizing ARD-266, acts as a highly potent VHL E3 ligase-based androgen receptor (AR) PROTAC degrader. It efficiently facilitates the degradation of AR protein in AR-positive prostate cancer cell lines LNCaP, VCaP, and 22Rv1, exhibiting DC50 values ranging from 0.2-1 nM [1].

ARCC-4 is an enzalutamide-based von Hippel-Lindau (VHL)-recruiting AR PROTAC and outperforms enzalutamide and it is a low-nanomolar androgen receptor (AR) degrader based on PROTAC, with a DC50 of 5 nM. ARCC-4 effectively degrades clinically relevant AR mutants associated with antiandrogen therapy[1].

MS4078 is an inhibitor and aplastic lymphoma kinase (ALK) PROTAC (degrader) based on Cereblon ligand, with a Kd of 19 nM for binding affinity to ALK.

MT-802 is an effective BTK degrader based on PROTAC technology (DC50: 1 nM). MT-802 has the potential to treat C481S mutant chronic lymphocytic leukemia (CLL).