BRD4 Inhibitor

(+)-JQ-1 (JQ1), a chemical probe, is a potent, specific, CNS-penetrant and reversible BET bromodomain inhibitor, with IC₅₀s of 77 and 33 nM for the first and second bromodomain (BRD4(1/2)). (+)-JQ-1 also activates autophagy.

Birabresib (OTX-015) is a potent bromodomain (BRD2/3/4) inhibitor with IC₅₀s ranging from 92 to 112 nM.

dBET1 is a PROTAC connected by ligands for Cereblon and BRD4 with an EC₅₀ of 430 nM. dBET1 is a PROTAC that composes of (+)-JQ1 (HY-13030) linked to NSC 527179 (HY-14658) with a linker.

JQ-1 carboxylic acid, a (+)-JQ-1 (HY-13030) derivative, is a potent BET bromodomain inhibitor. JQ-1 carboxylic acid can be used to synthesize PROTAC, which can target the degradation of BRD4.

ABBV-744 is a first-in-class, orally active and selective inhibitor of the BDII domain of BET family proteins with IC₅₀ values ranging from 4 to 18 nM for BRD2, BRD3, BRD4 and BRDT. ABBV-744 is primarily metabolized by CYP3A4 with agent-like properties enable the investigation of its antitumor efficacy and tolerability.

Pelabresib (CPI-0610) is a potent, selective, orally active and cell-active BET inhibitor. Pelabresib inhibits BRD4-BD1 with an IC₅₀ of 39 nM, and with an EC₅₀ value of 0.18 μM for MYC.

Mivebresib (ABBV-075) is a potent and orally active bromodomain and extraterminal domain (BET) bromodomain inhibitor. Mivebresib binds to BRD4 with a K_i of 1.5 nM.

GNE-987 is a VHL-dependent BRD4 PROTAC 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 can be used for the research of cancer.

GSK778 (iBET-BD1), a chemical probe, is a potent and selective BD1 bromodomain inhibitor of the BET proteins, with IC₅₀s of 75 nM (BRD2 BD1), 41 nM (BRD3 BD1), 41 nM (BRD4 BD1), and 143 nM (BRDT BD1), respectively. GSK778 phenocopies the effects of pan-BET inhibitors in cancer models.

XMD8-92 is a potent ERK5 (BMK1)/BRD4 inhibitor with K_ds of 80 and 190 nM, respectively. XMD8-92 inhibits DCAMKL2, PLK4 and TNK1 with K_ds of 190, 600 and 890 nM, respectively. Anti-cancer activity.

CPI-637 is a selective and potent CBP/EP300 bromodomain inhibitor with IC₅₀ values of 0.03 μM, 0.051 μM and 11.0 μM for CBP, EP300 and BRD4 BD-1, respectively, and an EC₅₀ of 0.3 μM for CBP.

AR/BRD4 RIPTAC-1 (Compound II-5) is an orally active Regulatory-inducible proximity-targeting chimera (RIPTAC). AR/BRD4 RIPTAC-1 induces the formation of a stable ternary complex between the androgen receptor (AR) and BRD4, thereby blocking BRD4 function. AR/BRD4 RIPTAC-1 inhibits the growth and proliferation of tumor cells. AR/BRD4 RIPTAC-1 holds promise for use in prostate cancer research.

FKBP12 PROTAC dTAG-7 (dTAG-7) is a FKBP12^F36V PROTAC degrader. FKBP12 PROTAC dTAG-7 binds FKBP12^F36V and CRBN to form a complex, mediating degradation via the ubiquitin-proteasome system. FKBP12 PROTAC dTAG-7 mediates the degradation of FKBP12^F36V-tagged nuclear and cytoplasmic proteins, including BRD4, HDAC1, EZH2, MYC, PLK1, KRAS^G12V, and antigen fusion proteins. FKBP12 PROTAC dTAG-7 enhances MHC class I antigen presentation. FKBP12 PROTAC dTAG-7 is applicable to leukemia-related research.

BRD4 degrader AT1 is a selective PROTAC BRD4 degrader. BRD4 degrader AT1 induces depletion of Brd4 protein in cells. BRD4 degrader AT1 exhibits highly selective depletion of Brd4 over Brd2 and Brd3 in cells.

GSK046 (iBET-BD2), a chemical probe, is a potent, selective and orally active BD2 bromodomain inhibitor of the BET proteins, with IC₅₀s of 264 nM (BRD2 BD2), 98 nM (BRD3 BD2), 49 nM (BRD4 BD2) and 214 nM (BRDT BD2), respectively. GSK046 has immunomodulatory activity.

GNE-207 is a potent, selective and orally bioavailable inhibitor of the bromodomain of CBP, with an IC₅₀ of 1 nM, exhibits a selectively index of >2500-fold against BRD4 (1). GNE-207 shows excellent CBP potency, with an EC₅₀ of 18 nM for MYC expression in MV-4-11 cells.

I-BET762 carboxylic acid (Molibresib carboxylic acid) is an I-BET762-based warhead ligand for conjugation reactions of PROTAC targeting on BET. I-BET762 carboxylic acid (Molibresib carboxylic acid) is a BRD4 inhibitor with a pIC₅₀ of 5.1.

QCA570 is a pan-BET-BRD PROTAC degrader. QCA570 degrades BRD2/3/4 and BRDT via cereblon and the ubiquitin-proteasome pathway, inhibits the expression of c-MYC, EZH2 and Mcl-1, induces tumor cell apoptosis, cycle arrest and regression, and exerts a synergistic inhibitory effect on Osimertinib (HY-15772)-resistant EGFR-mutant non-small cell lung cancer. QCA570 can be used in the research of acute myeloid leukemia, acute lymphoblastic leukemia, bladder cancer and non-small cell lung cancer.

GSK8814 is a potent and selective ATAD2 bromodomain chemical probe and inhibitor (IC₅₀ = 0.059 μM), with a binding constant pK_d = 8.1 and a pK_i = 8.9 in BROMOscan. GSK8814 binds to ATAD2 and BRD4 BD1 with pIC₅₀s of 7.3 and 4.6, respectively. GSK8814 shows 500-fold selectivity for ATAD2 over BRD4 BD1. GSK8814 can be researched for cancer associated with ATAD2 bromodomain.