bromodomains

NHWD-870 is an effective and selective inhibitor of BET family bromodomain only binding to BRD2, BRD3, BRD4 (IC50 = 2.7 nM), and BRDT. NHWD-870 exhibits potent anti-tumor efficacies and suppresses cancer cell-macrophage interaction through the increase of tumor apoptosis and inhibition of tumor proliferation.

FKBP12 PROTAC dTAG-7 (dTAG-7) is a heterobifunctional compound that selectively degrades the BET bromodomain transcriptional co-activator BRD4 by linking BET bromodomains to the E3 ubiquitin ligase CRBN. It also functions as a degrader of FKBP12F36V when FKBP12F36V is expressed in-frame with a targeted protein.

NEO2734 (EP31670) is an orally active, selective inhibitor of p300 CBP and BET bromodomains, with an IC50 of less than 30 nM for both targets.

I-CBP112 is a specific and potent acetyl-lysine competitive protein-protein interaction inhibitor targeting the CBP p300 bromodomains.

MS436 is a selective, small-molecule inhibitor for the BRD4 bromodomains.

GSK-5959 is an effective, specific and cell permeable BRPF1 bromodomain inhibitor (IC50: ~80 nM). The selectivity of GSK-5959 for BRPF1 is >100-fold over a panel of 35 other bromodomains, including BRPF2/3 and BET family bromodomains.

I-CBP112 is a selective inhibitor of the bromodomain-containing transcription factors. I-CBP112 (1 mM) has little activity against other bromodomains. I-CBP112 targets the CBP p300 bromodomains. I-CBP112 significantly reduced the leukemia-initiating poten

PF-CBP1 HCl is a highly selective inhibitor of the bromodomain of CREB-binding protein(CREBBP). It inhibits CREBBP (IC50: 125 nM) and p300 bromodomains (IC50: 363 nM).

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.

GSK620 is a pan-BD2 inhibitor, which shows an anti-inflammatory phenotype in human whole blood with excellent broad selectivity, developability, and in vivo oral pharmacokinetics.GSK620 is highly selective for the BET-BD2 family of proteins, with >200-fol

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].

PFI-3 is a selective chemical inhibitor for SMARCA (2/4) (Kd = 89 nM)and PBI (5) bromodomains which may result in the delay and prevention of breast cancer.

Bromodomain inhibitor-9 is an inhibitor of Bromodomains that selectively inhibits the activity of BRD4-1 with a Kd value of 12 nM. Bromodomain inhibitor-9 can be used in studies of diseases related to systemic or lipid metabolism, tissue inflammation, fibrosis, or chronic autoimmune diseases.

TRIM24 BRPF1-IN-2 (compound 20l) is an effective dual inhibitor of TRIM24 BRPF1 with IC50 values of 0.98 μM for TRIM24 and 1.16 μM for BRPF1, exhibiting strong binding affinity to the bromodomains of TRIM24 BRPF1, making it a valuable tool for prostate cancer research [1].

GNE-064 is a selective, orally active and highly soluble inhibitor of SMARCA4, SMARCA2 and PBRM1 bromodomains 5. GNE-064 inhibits SMARCA4 with an IC50 of 0.035 μM and inhibits SMARCA2 with an EC50 of 0.10 μM. GNE-064 possess Kds with 0.01, 0.016, 0.018 and 0.049 μM for SMARCA4, SMARCA2, PBRM1 bromodomains 5 and PBRM1 bromodomains 2, repectively. GNE-064 can be used as a chemical probe for the research of drug synthesis.

PF-CBP1 hydrochloride (PF-CBP1 HCl) is a highly selective inhibitor of the bromodomain of CREB-binding protein(CREBBP).It inhibits CREBBP and p300 bromodomains with IC50 of 125 and 363 nM respectively.

CPI098 is a potent and selective inhibitors for the bromodomains of CREBBP/EP300. CREBBP/EP300 bromodomains play a critical role in regulatory T cell biology. T cell recruitment to tumors is a major mechanism of immune evasion by cancer cells.

BDOIA383 is a novel inhibitor of CBP/p300 Bromodomains.

GW841819X is an analogue of (+)-JQ1 and a novel inhibitor of BET bromodomains. GW841819X displayed activity in vivo against NUT-midline carcinoma, multiple myeloma, mixed-lineage leukemia, and acute myeloid leukemia. Bromodomain and extra-terminal (BET) proteins belong to a class of proteins collectively called epigenetic readers . BET bromodomains have emerged as promising drug targets for treatment of cancers

TP 472N is a negative control forTP 472. Inactive against other bromodomains (>20μM against BRD9).

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.

Amredobresib is a potent BET inhibitor that impedes the interaction between bromodomains and acetylated lysines on histone H3 and H4, thereby serving as crucial regulators of gene transcription. It proves valuable in the investigation of acute myeloid leukemia (AML) and cancer.

GSK2801 is an effective, specific and cell active acetyl-lysine competitive inhibitor of BAZ2A(Kd: 136 nM) and BAZ2B(Kd: 257 nM) bromodomains.

CBP p300-IN-8 is a potent inhibitor of the CBP P300 family of bromodomains, inhibiting CBP with an IC50 range of 0.01-0.1 μM and BRD4 with an IC50 range of 1-1000 μM.

I-BET432, a BET inhibitor, targets both the N-terminal (BD1) and C-terminal (BD2) bromodomains of BRD4, exhibiting pIC50 values of 7.5 and 7.2, respectively. As an orally administered candidate, I-BET432 holds potential for research in various oncology and inflammatory diseases.

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.

BiBET is a potent, selective, bivalent inhibitor of BET bromodomains.

CPI571 is a potent and selective inhibitor for the bromodomains of CREBBP/EP300.

HPP-9, a Proteolysis-Targeting Chimera (PROTAC) derived from Hedgehog Pathway Inhibitor-1 (HPI-1) with a pIC50 value of 6.71, is designed to degrade BET bromodomains and exhibits antitumor activity [1].

MT1, a bivalent chemical probe targeting BET bromodomains, demonstrates an IC50 value of 0.789 nM for BRD4(1).

BAZ2-ICR is an epigenetic chemical probe and it also is a potent, selective, cell active and orally active BAZ2A/B bromodomains inhibitor with IC50s of 130 nM and 180 nM, and Kds of 109 nM and 170 nM, respectively. BAZ2-ICR shows 10-15-fold selectivity for binding BAZ2A/B over CECR2 and >100-fold selectivity over all other bromodomains.

NVS-CECR2-1 is a potent inhibitor of CECR2 (cat eye syndrome chromosome region, candidate 2), a component of chromatin complexes that regulate gene expression controlling development. It binds CECR2 with high affinity (IC50 = 0.047 μM by Alpha screen, Kd = 0.80 μM by ITC). NVS-CECR2-1 demonstrates no crossreactivity in a panel of 48 bromodomains and has no major activity in kinase, protease, and receptor panels. It shows robust activity in cells by FRAP assay, due to its slow off-rate, and has no acute toxicity. See the Structural Genomics Consortium (SGC) website for more information.

GSK789 is a selective inhibitor of the first bromodomains (BD1) of the bromo and extra terminal domain (BET) proteins.

ZL0420 is a potent and selective bromodomain-containing protein 4 (BRD4) inhibitor with nanomolar binding affinities to the bromodomains (BDs) of BRD4, exhibiting IC50 values of 27 nM against BRD4 BD1 and 32 nM against BRD4 BD2.

(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).

High affinity and selective cell-permeable p300/CBP-associated factor (PCAF) inhibitor (Ki = 47 nM). Exhibits no significant activity against a panel of 48 other bromodomains except GCN5 (Kd = 600 nM). Exhibits >4500-fold selectivity for PCAF over BRD4. Also exhibits metabolic stability in mouse and human liver microsomes and no observable cytotoxicity in peripheral blood mononuclear cells (PBMC). Moustakim et al (2017) Discovery of a PCAF bromodomain chemical probe. Angew.Chem.Int.Ed. 56 827 PMID:27966810

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).

IV-275 is a dual inhibitor targeting the bromodomains of both BRG1 and BRM. This compound not only augments DNA damage when combined with Temozolomide and Bleomycin but also suppresses the invasiveness of GBM cells. Furthermore, IV-275 amplifies Temozolomide-induced cell death and its apoptosis-inducing activity [1].

Bromosporine is a broad spectrum inhibitor for bromodomains for BRD2 4 9 and CECR2 (IC50: 0.41 0.29 0.122 0.017 μM), respectively.

LP99 is an epigenetic probe. LP99 disrupts the binding of BRD7 and BRD9 to chromatin in cells. LP99 is an effective and selective inhibitor of the BRD7 and BRD9 bromodomains (Kd: 99 nM against BRD9).

FKBP12 PROTAC dTAG-13 (dTAG-13) is a heterobifunctional degrader that targets FKBP12F36V with FKBP12F36V expressed in-frame with a protein of interest, and selectively degrades the BET bromodomain transcriptional co-activator BRD4 by bridging BET bromodomains to the E3 ubiquitin ligase CRBN.

GW841819X is an analogue of (+)-JQ1 and a novel inhibitor of BET bromodomains. GW841819X was a single enantiomer but of undefined chirality at the 4-position of the benzodiazepine ring3. GW841819X and JQ1 were recently discovered that bind to the acetyl-lysine binding pocket of BET bromodomains with Kd ranges from 50 to 370 nM [1]. GW841819X bounded to both the individual BD1 and BD2 domains with affinities of 46 and 52.5 nM, respectively. GW841819X-Brd3 interaction was estimated to be around 70 nM4. GW841819X displayed activity in vivo against NUT-midline carcinoma, multiple myeloma, mixed-lineage leukemia, and acute myeloid leukemia1. It also potent induced the ApoA1 reporter gene with an EC50 of 440 nM. It had very little effect on LDL-R luciferase activity at the concentrations at which it induces ApoA1 expression, suggesting that the effect is indeed specific3. GW841819X competed directly with GATA1 site for BD1 binding and also specifically blocked the interaction between Brd3 and acetylated GATA14. Recent findings reported that GW841819X are chose as an interest compound to further develop into potential drugs against diseases including cancer, HIV infection and heart disease2.

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