brd2-bd2

CF53 is a highly potent, selective, and orally active inhibitor of BET protein, with a Ki of <1 nM, Kd of 2.2 nM, and an IC50 of 2 nM for BRD4 BD1. CF53 binds to both the BD1 and BD2 domains of BRD2, BRD3, BRD4, and BRDT BET proteins with high affinities, being very selective over non-BET bromodomain-containing proteins. CF53 exhibits potent anti-tumor activity both in vitro and in vivo.

BY27, a potent and selective BET BD2 inhibitor (Ki: 3.1 nM) with anticancer activity, inhibits BD1 BD2 of BRD2, BRD3, BRD4, and BRDT, and suppresses tumor growth.

ABBV-744 is a BDII-selective BET bromodomain inhibitor that inhibits BRD2 3 4. It is used in the research on inflammatory diseases, cancer, and AIDS.

MS402 is a novel BD1-selective BET BrD inhibitor.

INCB054329, a structurally distinct bromodomain and extraterminal domain (BET) inhibitor, inhibits BRD2-BD1, BRD2-BD2, BRD3-BD1, BRD3-BD2, BRD4-BD1, BRD4-BD2, BRDT-BD1 and BRDT-BD2 with IC50 values of 44 nM, 5 nM, 9 nM, 1 nM, 28 nM, 3 nM, 119 nM and 63 nM respectively.

RVX-297 is a BD2 selective inhibitor of BET bromodomains. RVX-297 preferentially binds to the BD2 domains of the BET bromodomain and Extra Terminal (BET) family of protein.

BRD4 Inhibitor-20 is a potent bromodomain protein 4 (BRD4) inhibitor with oral activity, demonstrating antiproliferative effects in cancer cell lines and used in studies of various cancers, including colon cancer.

BRD4 Inhibitor-28 (Compound 18), an orally active molecule, selectively inhibits the bromodomains of BRD4 (BRD4-BD1 and BRD4-BD2) with IC50 values of 15 and 55 nM, respectively. It also demonstrates inhibition of BRD2-BD1, BRD3-BD1, and BRDT-BD1 with IC50 values of 19, 25, and 68 nM, respectively. Furthermore, this compound exhibits anti-melanoma activity [1].

XY153 (compound 8l) is a BD2-selective BET inhibitor that binds BRD4 BD2 with an IC50 of 0.79 nM, BRD3 BD2 with an IC50 of 5.31 nM, and BRD2 BD2 with an IC50 of 5.09 nM. XY153 is used to study acute myeloid leukaemia and cancer.

GSK046 (iBET-BD2) is a potent, selective, and orally active BD2 bromodomain inhibitor of the BET proteins, with IC50 values of 264 nM [BRD2 BD2], 98 nM [BRD3 BD2], 49 nM [BRD4 BD2], and 214 nM [BRDT BD2], respectively. It exhibits immunomodulatory activity.

BRD4 degrader AT1 is a highly selective Brd4 degrader based on PROTAC technology, with a Kd of 44 nM for Brd4BD2 in cells.

SJ1461 is a potent, orally active inhibitor of the BET family, selectively targeting and inhibiting BRD2 (BD1), BRD2 (BD2), BRD4 (BD1), and BRD4 (BD2) with respective IC50 values of 1.6 nM, 0.1 nM, 6.5 nM, and 0.2 nM [1].

I-BET282E is a pan-inhibitor of eight BET bromodomains and shows selectivity for other representative bromodomain-containing proteins. It can act on eight BRD2 (BD1 BD2), BRD2 (BD1 BD), BRD3 (BD1 BD), and BRD4 (BD1 BD), with their pIC50 values ranging from 6.4 to 7.7.

BRD4 Inhibitor-25, a chemical compound targeting the BD1 and BD2 domains of BRD4 with half-maximal inhibitory concentrations (IC50s) of 0.82 μM and 1.94 μM respectively, demonstrates efficacy in inducing apoptotic and autophagic cell death in ovarian cancer cells. This compound is utilized in researching cancers, cardiovascular, neuromuscular, and inflammatory disorders.

SJ46421, a PROTAC protein degrader derived from (+)-JQ-1, targets KLHDC2. It efficiently forms a stable ternary complex with KLHDC2, exhibiting an IC50 of 7.8 nM. Furthermore, SJ46421 promotes the polyubiquitination of the BD2 domain of BRD2, BRD3, or BRD4.

GSK973 is a highly selective and orally bioavailable inhibitor that targets the second bromodomains (BD2s) of the BET family. It exhibits a pIC 50 of 7.8 and a pK d of 8.7 specifically for BRD4 BD2. Additionally, GSK973 demonstrates a remarkable selectivity of 1600-fold for BRD4 BD2 over BRD4 BD1. Moreover, it displays good potency against BRD2 BD2, BRD3 BD2, and BRDT BD2, with pIC 50 ranging from 7.4 to 7.8 and pK d ranging from 8.3 to 8.5.

BET-IN-27 (compound 6C) is an orally active BET inhibitor with IC50 values of 3.3 nM (BRD4-BD2), 3.4 nM (BRD4-BD1), 4.1 nM (BRD2-BD1), 20.4 nM (BRD3-BD1), and 42.0 nM (BRDT-BD1). It also exhibits antiproliferative activity.

PLX51107 is a potent and selective BET inhibitor with Kds of 1.6, 2.1, 1.7, and 5 nM for BRD2-BD1, BRD3-BD1, BRD4-BD1, and BRDT-BD1, respectively.

PARP1 BRD4-IN-3 (compound HF4) is an effective inhibitor of BRD4 and PARP1, with IC50 values of 1210 nM and 2019 nM respectively. The compound exhibits antiproliferative activity, induces apoptosis (apoptosis) and cell cycle arrest at the G0 G1 phase. Additionally, PARP1 BRD4-IN-3 causes DNA damage and reduces the expression of the Rad51 protein, demonstrating anti-tumor activity.

BRD4 Inhibitor-40 (Compound 23) functions as an inhibitor of BRD, effectively targeting BRD4-BD1, BRD4-BD2, BRD2-BD1, and BRD2-BD2, with IC50 values of 16.1, 142.18, 29.35, and 302.35 nM, respectively. It modulates the expression of c-Myc and p21, induces cell cycle arrest in the G1 phase, and inhibits Pkd1-deficient (PN) renal cystic epithelial cells. Additionally, it prevents renal cyst formation in both Madin-Darby canine kidney and embryonic kidney cyst models, and demonstrates renal cyst inhibition activity in mouse models.

HJB97 is used for the design of potential PROTAC BET degrader. It also has antitumor activity. HJB97 is a high-affinity inhibitor of BET (Kis: 0.9 nM (BRD2 BD1), 0.27 nM (BRD2 BD2), 0.18 nM (BRD3 BD1), 0.21 nM (BRD3 BD2), 0.5 nM (BRD4 BD1), 1.0 nM (BRD4 BD2), respectively).

GS-626510 is an orally bioavailable inhibitor of BET family bromodomains (Kd: 0.59-3.2 nM for BRD2 3 4; IC50: 83 nM and 78 nM for BD1 and BD2).

BET BD2-IN-1 (compound 45) is a potent and selective BET BD2 inhibitor with an IC50 value of 1.6 nM. It suppresses Th17 cell differentiation by reducing the activation of STAT3 and NF-κB, making it relevant for psoriasis and inflammatory bowel disease (IBD) research [1].

XY221 (Compound 16o) selectively inhibits BRD4 BD2 with an IC50 of 5.8 nM. It demonstrates high selectivity for pan-BD2 and BRD4 BD2 domains, being 667 times more selective than for BRD4 BD1, and 9-32 times more selective than for BRD2 3 T BD2. XY221 can induce apoptosis in MV4-11 cells and exhibits anti-cancer activity.