Epigenetic Reader Domain Degrader

PROTAC RNF4 degrader-1 is a RNF4 PROTAC degrader (K_d = 64.5 nM) that degrades RNF4 via the ubiquitin-proteasome system. PROTAC RNF4 degrader-1 induces DNA damage, apoptosis, and exhibits antiproliferative activity in cancer cells. PROTAC RNF4 degrader-1 displays antitumor activity with no obvious side effects in mouse models. PROTAC RNF4 degrader-1 is applicable to the research of hepatocellular carcinoma.

dBET6 is a highly potent, selective and cell-permeable PROTAC connected by ligands for Cereblon and BET, with an IC₅₀ of 14 nM, and has antitumor activity.

ARV-771 is a potent BET PROTAC based on E3 ligase von Hippel-Lindau with K_ds of 34 nM, 4.7 nM, 8.3 nM, 7.6 nM, 9.6 nM, and 7.6 nM for BRD2(1), BRD2(2), BRD3(1), BRD3(2), BRD4(1), and BRD4(2), respectively.

FHD-609 is a BRD9 PROTAC degrader. FHD-609 induces BRD9 degradation, downregulates primary transcripts of HBG/HBD, Myc expression and proliferation gene sets, reduces the levels of synovial sarcoma tumor proliferation markers, and inhibits tumor growth. FHD-609 can be used in research related to advanced synovial sarcoma, SMARCB1-deficient tumors and adrenocortical carcinoma.

dBRD9 is a BRD9 PROTAC degrader. dBRD9 reduces the binding of the ISGF3 complex to ISG promoters, decreases the level of ISG induction downstream of IFNAR signaling, and reduces the chromatin binding of BRD4 at BRD9 co-binding sites. dBRD9 can be used in research related to acute myeloid leukemia.

PLX-3618 is a molecular glue, that degrades BRD4 with DC₅₀ of 12.2 nM. PLX-3618 promotes polyubiquitination and subsequent proteasomal degradation of BRD4 by recruiting of the E3 ligase substrate receptor, DCAF11. PLX-3618 inhibits the proliferation of various cancer cells, induces apoptosis in AML cells. PLX-3618 exhibits antitumor activity against AML in mouse models.

MS41 is a ENL PROTAC degrader with a DC₅₀ of 3.50 nM. MS41 recruits the VHL E3 ubiquitin ligase, triggers ENL degradation via the ubiquitin-proteasome system, and simultaneously induces AF9 degradation. MS41 reduces the chromatin occupancy of ENL-associated transcription elongation complexes, suppresses oncogene expression, and activates differentiation gene expression. MS41 inhibits leukemia cell growth and induces cell cycle arrest and apoptosis. MS41 inhibits leukemia progression in xenograft mouse models. MS41 can be used for research on mixed lineage leukemia-rearranged leukemia and nephroblastoma.

SIM1 is a potent von Hippel-Lindau (VHL)-based trivalent PROTAC capable of degradation for all BET family members, with preference for BRD2 degradation (IC₅₀=1.1 nM; Kd=186 nM). SIM1 shows sustained anti-cancer activity.

TMX1 is a covalent, selective BRD4 molecular glue degrader. TMX1 binds to the JQ1-binding site of BRD4BD2, forms covalent bonds with Cys58 of DCAF16 and Cys87 of GAK in a BRD4BD2-dependent template-assisted manner, stabilizes the BRD4-TMX1-DCAF16 ternary complex, and promotes the ubiquitination of BRD4 via the CRL4_DCAF16 ubiquitin ligase complex. TMX1 induces selective degradation of BRD4, mild degradation of BRD2 and BRD3, as well as DCAF16-dependent cytotoxicity.

IBG1 is a molecular glue degrader targeting BRD2 and BRD4 (DC₅₀: 0.15 nM). IBG1 has no significant degradation effect on its paralogue BRD3. IBG1 can inhibit the growth of cancer cells and can be used in tumor research. (Pink: BRD2/BRD4 Ligand (HY-111139); Black: Linker; Blue: DCAF15 ligand-1 (HY-W037495)).

DBr-1 is a potent BRD9 PROTAC degrader (K_D: 13 nM). DBr-1 can overcome intrinsic resistance to VHL-degrader. Blue: DCAF1 binder (HY-149934), Black: linker, Pink: BRD9/BRD7 bromodomains inhibitor (HY-100352).

MMH2 is a novel BRD4 molecular glue degrader that functions by recruiting the CUL4 and DCAF16 ligases to the second bromodomain of BRD4 (BRD4_BD2).

BRD4 degrader-1 (Compound mL 1-50) is a relatively selective, monovalent and covalent BRD4 Molecular glue degrader. BRD4 degrader-1 induces degradation of both long and short isoforms of BRD4 by targeting DCAF16 (an E3 ligase). BRD4 degrader-1 can be used in breast cancer research.

dBRD 9-A is a selective BRD9 PROTAC degrader. dBRD 9-A induces near complete BRD9 degradation dependent on E3 ubiquitin ligase CRBN and BRD9 bromodomain engagement, and drives loss of BRD9 chromatin binding genome-wide. dBRD 9-A downregulates oncogenic SS18-SSX-driven transcriptional programs, super enhancer-associated gene expression, and SS18-SSX1 super enhancer binding, and depletes GBAF complex members GLTSCR1/1L from SS18-SSX complexes. dBRD 9-A induces cell cycle arrest and increases apoptosis in synovial sarcoma cells. dBRD 9-A can be used for the research of synovial sarcoma.

BRD4 degrader-3 is a potent bromodomain BRD4 degrader extracted from patent WO2020055976A1, example 1a, has IC₅₀s of 15.5 and 12.3 nM for BRD4-BD1 and BRD4-BD2, respectively. PROTAC BRD4 Degrader-7 is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

MMH1 is a novel BRD4 molecular glue degrader that functions by recruiting the CUL4 and DCAF16 ligases to the second bromodomain of BRD4 (BRD4_BD2).

PROTAC BET Degrader-12 (Compound 8b) is a PROTAC degrader for bromodomain and extra-terminal domain (BET)-containing proteins, which degrades the BRD3 and BRD4 in a DCAF11-dependent manner. PROTAC BET Degrader-12 inhibits cell viability of KBM7 with a DC₅₀ of 305.2 nM

BD-9136 is a selective BRD4 PROTAC degrader with a DC₅₀ of 1.2 nM, and exhibits a selectivity of ≥1000-fold over BRD2 and BRD3. BD-9136 preferentially forms a ternary complex with the BD1 domain of BRD4, and downregulates the expression of B7-H4 by disrupting the PR-P300-BRD4 axis. BD-9136 depletes BRD4 protein in tumor tissues, inhibits tumor growth, reduces B7-H4 protein expression, increases CD8+ T cell infiltration, and enhances tumor sensitivity to anti-PD-L1. Degradation of BRD4 by BD-9136 rescues the erythroid differentiation block induced by LSD1 inhibition, and transient administration restores erythroid output while retaining HbF induction. BD-9136 causes no adverse effects in mice at effective doses. BD-9136 can be used in studies related to acute myeloid leukemia, acute lymphoblastic leukemia and breast cancer.

JQ-1-Azidopropylamine is an Target Protein Ligand-Linker Conjugate that incorporates a ligand for BRD4 (HY-78695) and a PROTAC linker (HY-151862), which recruits E3 ligases. JQ-1-Azidopropylamine can be used for synthesis of PROTAC JY-21 (HY-174975).

SR-1114 is a ENL PROTAC degrader, with DC₅₀ values of 150 nM, 311 nM and 1.65 μM in MV4;11, MOLM-13 and OCI/AML-2 cells, respectively. SR-1114 has an IC₅₀ of 155 nM against the human CRL4CRBN complex. SR-1114 can be used in research related to acute leukemia and acute myeloid leukemia.