Home Epigenetics Histone Acetyltransferase p300/CBP Selective Inhibitors | Activators
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p300/CBP Selective Inhibitors | Activators

Catalog No. Product Name Information Selective / Pan IC50 / Ki
S8665 GNE-781 GNE-781 (compound 19) is an orally active, highly potent and selective bromodomain inhibitor of cyclic adenosine monophosphate response element binding protein (CBP) with IC50 of 0.94 nM in TR-FRET assay. GNE-781 also inhibits BRET and BRD4(1) with IC50 of 6.2 nM and 5100 nM, respectively. GNE-781 exhibits antitumor activity. Selective CBP, IC50: 0.94 nM
S7256 SGC-CBP30 SGC-CBP30 is a potent CREBBP/EP300 inhibitor with IC50 of 21 nM and 38 nM in cell-free assays, respectively. Exhibits 40-fold and 250-fold selectivity for CBP over the first BRD of BRD4 (BRD4(1)) and BRD4(2) respectively. Selective CREBBP, IC50: 21 nM; EP300, IC50: 38 nM
S7256 SGC-CBP30 SGC-CBP30 is a potent CREBBP/EP300 inhibitor with IC50 of 21 nM and 38 nM in cell-free assays, respectively. Exhibits 40-fold and 250-fold selectivity for CBP over the first BRD of BRD4 (BRD4(1)) and BRD4(2) respectively. Selective CREBBP, IC50: 21 nM; EP300, IC50: 38 nM
S8190 CPI-637 CPI-637 is a selective and cell-active benzodiazepinone CBP/EP300 bromodomain inhibitor with IC50 values of 0.03 μM and 0.051μM for CBP and EP300 respectively in TR-FRET assay. It is highly selective against other bromodomains, displaying substantial biochemical activity only against BRD9. Selective CBP, IC50: 0.03 μM; EP300, IC50: 0.051 μM
S9648 NEO2734 NEO2734 (EP31670) is a novel, orally active and selective dual inhibitor of p300/CBP and BET bromodomain with IC50 of both <30 nM. Selective p300/CBP, IC50: <30 nM
S8190 CPI-637 CPI-637 is a selective and cell-active benzodiazepinone CBP/EP300 bromodomain inhibitor with IC50 values of 0.03 μM and 0.051μM for CBP and EP300 respectively in TR-FRET assay. It is highly selective against other bromodomains, displaying substantial biochemical activity only against BRD9. Selective CBP, IC50: 0.03 μM; EP300, IC50: 0.051 μM
S8740 A-485 A-485 is a potent, selective and drug-like p300/CBP catalytic inhibitor with an IC50 of 0.06 μM for p300 HAT. It is selective over BET bromodomain proteins and >150 non-epigenetic targets. Selective p300 HAT, IC50: 0.06 μM
S8740 A-485 A-485 is a potent, selective and drug-like p300/CBP catalytic inhibitor with an IC50 of 0.06 μM for p300 HAT. It is selective over BET bromodomain proteins and >150 non-epigenetic targets. Selective p300 HAT, IC50: 0.06 μM
S8180 PF-CBP1 HCl 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. Selective CREBBP, IC50: 125nM; p300/CBP, IC50: 363nM
S6758 I-CBP112 I-CBP112 is a potent and selective CBP/p300 inhibitor with dissociation constant (KD) of 151 ± 6 nM and 167 ± 8 nM for CBP and p300, respectively. Selective CBP, Kd: 151 nM; p300, Kd: 167 nM
S7152 C646 C646 is an inhibitor for histone acetyltransferase, and inhibits p300 with a Ki of 400 nM in a cell-free assay. Preferentially selective for p300 versus other acetyltransferases. C646 induces cell cycle arrest, apoptosis and autophagy. Selective p300/CBP, Ki: 400 nM
S7152 C646 C646 is an inhibitor for histone acetyltransferase, and inhibits p300 with a Ki of 400 nM in a cell-free assay. Preferentially selective for p300 versus other acetyltransferases. C646 induces cell cycle arrest, apoptosis and autophagy. Selective p300/CBP, Ki: 400 nM
S2977 EML 425 EML425 is a potent and selective CREB binding protein (CBP)/p300 inhibitor with IC50s of 2.9 and 1.1 μM, respectively. Selective CBP, IC50: 2.9 μM; p300, IC50: 1.1 μM
S0022 YF-2 YF-2 is a highly selective, blood-brain-barrier permeable activator of histone acetyltransferase (HAT). In In vitro assays, YF-2 has activity versus CBP, PCAF, and GCN5 with EC50 of 2.75 μΜ, 29.04 μΜ and 49.3 μΜ, respectively. YF-2 also increases p300 activity. Selective CBP, EC50: 2.75 μM; PCAF, EC50: 29.04 μM; p300, :
S2662 ICG-001 ICG-001 antagonizes Wnt/β-catenin/TCF-mediated transcription and specifically binds to CREB-binding protein (CBP) with IC50 of 3 μM, but is not the related transcriptional coactivator p300. ICG-001 induces apoptosis. Selective CBP, IC50: 3 μM
S1161 Histone Acetyltransferase Inhibitor II

Histone Acetyltransferase Inhibitor II (HAT Inhibitor II, compound 2c) is a potent, selective and cell-permeable p300 histone acetyltransferase (HAT) inhibitor with IC50 of 5 μM. Histone Acetyltransferase Inhibitor II shows anti-acetylase activity in mammalian cells.

 Selective p300, IC50: 5 μM
s7582 Anacardic Acid Anacardic Acid (6-pentadecylsalicylic Acid) is a potent inhibitor of p300 and p300/CBP-associated factor histone acetyltranferases, which also has antibacterial activity, antimicrobial activity, prostaglandin synthase inhibition, and tyrosinase and lipoxygenase inhibition. Selective p300/CBP, IC50: 8.5 μM; PCAF, IC50: 5 μM
S1161 Histone Acetyltransferase Inhibitor II

Histone Acetyltransferase Inhibitor II (HAT Inhibitor II, compound 2c) is a potent, selective and cell-permeable p300 histone acetyltransferase (HAT) inhibitor with IC50 of 5 μM. Histone Acetyltransferase Inhibitor II shows anti-acetylase activity in mammalian cells.

 Selective p300, IC50: 5 μM
S1848 Curcumin Curcumin (Diferuloylmethane, Natural Yellow 3, Turmeric yellow) is the principal curcuminoid of the popular Indian spice turmeric, which is a member of the ginger family (Zingiberaceae). It is an inhibitor of p300 histone acetylatransferase（IC50~25 μM）and Histone deacetylase (HDAC); activates Nrf2 pathway and supresses the activation of NF-κB. Curcumin induces mitophagy, autophagy, apoptosis, and cell cycle arrest with antitumor activity. Curcumin Selective p300, IC50: ~25 μM
S1848 Curcumin Curcumin (Diferuloylmethane, Natural Yellow 3, Turmeric yellow) is the principal curcuminoid of the popular Indian spice turmeric, which is a member of the ginger family (Zingiberaceae). It is an inhibitor of p300 histone acetylatransferase（IC50~25 μM）and Histone deacetylase (HDAC); activates Nrf2 pathway and supresses the activation of NF-κB. Curcumin induces mitophagy, autophagy, apoptosis, and cell cycle arrest with antitumor activity. Curcumin Selective p300, IC50: ~25 μM
S8968 PRI-724 PRI-724 (C-82 prodrug, ICG-001 analog) is a potent and specific inhibitor that disrupts the interaction of β-catenin and CBP. Selective
S3984 Nordihydroguaiaretic acid (NDGA) Nordihydroguaiaretic acid (NDGA) is a phenolic antioxidant found in the leaves and twigs of the evergreen desert shrub, Larrea tridentata (Sesse and Moc. ex DC) Coville (creosote bush). It is a recognized inhibitor of lipoxygenase (LOX) and has antioxidant and free radical scavenging properties. Nordihydroguaiaretic acid (NDGA) is a cytotoxic insulin-like growth factor-I receptor (IGF-1R)/HER2 inhibitor and induces apoptosis. Selective
S9648 NEO2734 NEO2734 (EP31670) is a novel, orally active and selective dual inhibitor of p300/CBP and BET bromodomain with IC50 of both <30 nM. Pan p300/CBP, IC50: <30 nM
S0022 YF-2 YF-2 is a highly selective, blood-brain-barrier permeable activator of histone acetyltransferase (HAT). In In vitro assays, YF-2 has activity versus CBP, PCAF, and GCN5 with EC50 of 2.75 μΜ, 29.04 μΜ and 49.3 μΜ, respectively. YF-2 also increases p300 activity. Pan CBP, EC50: 2.75 μM; PCAF, EC50: 29.04 μM; p300, :
s7582 Anacardic Acid Anacardic Acid (6-pentadecylsalicylic Acid) is a potent inhibitor of p300 and p300/CBP-associated factor histone acetyltranferases, which also has antibacterial activity, antimicrobial activity, prostaglandin synthase inhibition, and tyrosinase and lipoxygenase inhibition. Pan p300/CBP, IC50: 8.5 μM; PCAF, IC50: 5 μM