I-CBP112 is a specific and potent acetyl-lysine competitive protein-protein interaction inhibitor, that targets the CBP/p300 bromodomains.
CBP/p300-IN-17 (compound 7) is a potent EP300/CBP HAT inhibitor with IC50s of 0.18, 0.69 µM for HAT EP300 and LK2 H3K27, respectively[1].
Anacardic Acid, extracted from cashew nut shell liquid, is a histone acetyltransferase inhibitor, inhibits HAT activity of p300 and PCAF, with IC50s of ∼8.5 μM and ∼5 μM, respectively.
Pocenbrodib (compound II) is a CBP/p300 family of bromodomain inhibitor. Pocenbrodib has the potential for cancer research[1].
Ep300/CREBBP-IN-8 (Example 37) is a potent and orally active Ep300 and CREBBP inhibitor with IC50s of 0.014 and 0.018 μM, respectively. Ep300/CREBBP-IN-8 can be used for the research of cancer[1].
Coumarin-SAHA is a fluorescent probe for determining the binding affinities (kd) and the dissociation off-rates (koff) of the HDAC8-inhibitor complexes[1].
MC4033 shows IC50s of 39.4 μM, 52.1 μM, 41 μM and 30.1 μM in HCT116, H1299, A549 and U937, respectively[1]. MC4033 (25, 50, 100, and 200 μM, 72 h) reduces the level of H4K16Ac in HT29 cells, suggesting its ability to inhibit KAT8 in cells[1].
B026 is a selective, potent, orally active p300/CBP histone acetyltransferase (HAT) inhibitor with IC50 values of 1.8 nM and 9.5 nM for p300 and CBP enzyme, respectively. B026 has anticancer activity for androgen receptor-positive (AR+) prostate cancer cell lines[1].
YF-2 hydrochloride is a highly selective, blood-brain-barrier permeable histone acetyltransferase activator, acetylates H3 in the hippocampus, with EC50s of 2.75 μM, 29.04 μM and 49.31 μM for CBP, PCAF, and GCN5, respectively, shows no effect on HDAC. Anti-cancer and anti-Alzheimer's disease[1].
GSK 4027 is a chemical probe for the PCAF/GCN5 bromodomain with an pIC50 of 7.4±0.11 for PCAF in a time-resolved fluorescence resonance energy transfer (TR-FRET) assay.
Remodelin HBr salt is a novel potent and selective inhibitor of the acetyl-transferase protein NAT10.IC50 value:Target: NAT10 inhibitorRemodelin can improve nuclear architecture, chromatin organization, and fitness of both human lamin A/C-depleted cells and HGPS-derived patient cells, and decrease markers of DNA damage in these cells. Using a combination of chemical, cellular, and genetic approaches, acetyl-transferase protein NAT10 was identified as the target of Remodelin that mediated nuclear shape rescue in laminopathic cells via microtubule reorganization. Down-regulation and mutations of the nuclear-architecture proteins lamin A and C cause misshapen nuclei and altered chromatin organization associated with cancer and laminopathies, including the premature-aging disease Hutchinson-Gilford progeria syndrome (HGPS). Remodelin is a useful chemical tool to study how NAT10 affects nuclear architecture and suggest alternative strategies for treating laminopathies and aging.
CBP/p300-IN-10 is a highly potent histone acetyltransferase EP300 and CREBBP with IC50 values of 26 nM and 39 nM, respectively. CBP/p300-IN-10 can be used to research anticancer[1].
GSK4028 is the enantiomeric negative control of GSK4027, which is a PCAF/GCN5 bromodomain chemical probe, the pIC50 of GSK4028 is 4.9 in a time-resolved fluorescence resonance energy transfer (TR-FRET) assay.
Windorphen is a Wnt/β-catenin signal inhibitor that specifically targets the function of the c-terminal transactivation domain of β-catenin-1 but not β-catenin-2. Windorphen selectively targets p300, disrupting the association of the mammalian β-catenin with p300 but not CBP[1].
TTK21 (CBP-p300 activator TTK21) is a small molecule activator of CBP/p300 histone acetyltransferase activity with a maximal effect at a concentration of 275 uM; induces acetylation of histones H3 and H4 in vitro but not H2B and H2A; promotes neurogenesis and extends memory duration in adult mice, promotes regeneration and sprouting of sensory and motor axons, as well as recovery of sensory and motor functions in both the mouse and rat model of spinal cord injury.
CBP/p300-IN-15 (compound 13a) is a potent p300/CBP inhibitor, with IC50 values of 2.50 and 28.0 nM, respectively. CBP/p300-IN-15 shows good activity against OVCAR-3 and A2780 cell line, with EC50 values of 0.865 and 2.71 μM, respectively. CBP/p300-IN-15 can be used for ovarian cancer research[1].
PU-139 is a potent, unselective HAT (Histone acetyltransferase) inhibitor that blocks the HATs Gcn5, p300/CBP-associated factor (PCAF), CREB protein (CBP) and p300; triggers caspase-independent cell death in cell culture, blocks growth of SK-N-SH neuroblastoma xenografts in mice, and synergizes the effect of doxorubicin in vivo.
JG-2016 is a potent inhibitor of histone acetyltransferase 1 (HAT1), with an IC50 of 14.8 μM in the HAT1 acetylation assays[1].
CBP/p300-IN-21 (Compound 5d) is a selective CBP/p300 inhibitor (IC50: 0.07 and 1.755 μM for p300 and CBP). CBP/p300-IN-21 decreases H3K18Ac level. CBP/p300-IN-21 inhibits growth of 4T1 tumor growth in mice[1].
L002 is a novel potent, specific acetyltransferase p300 (KAT3B) inhibitor with an IC50 of 1.98 uM. L002 has weak inhibitory effects against PCAF and GCN5 (IC50s =35 and 34 µM, respectively) and is specific for p300 over a panel of additional acetyltransferases, deacetylases, and methyltransferases[1]. L002 blocks histone acetylation and p53 acetylation, and inhibits STAT3 activation[2].
MG149 is a selective and potent Tip60 inhibitor with IC50 of 74 uM, similar potentcy for MOF(IC50= 47 uM); little potent for PCAF and p300(IC50 >200 uM).IC50 value: 74/47 uM (Tip60/MOF) [1]Target: Tip60/MOFMG 149, at 200 μM, inhibited about 90% of Tip60 activity but had no inhibitory impact on p300 and PCAF. MG 149 was essentiallycompetitive with Ac-CoA and noncompetitive with the histone substrate. HAT inhibition studies with MG 149 demonstrated that both compounds inhibited the HAT activity of the nuclear extractsof different regions significantly (p < 0.05).
Garcinol, a polyisoprenylated benzophenone harvested from Garcinia indica, exerts anti-cholinesterase properties towards acetyl cholinesterase (AChE) and butyrylcholinesterase (BChE) with IC50s of 0.66 µM and 7.39 µM, respectively[1]. Garcinol also inhibits histone acetyltransferases (HATs, IC50= 7 μM) and p300/CPB-associated factor (PCAF, IC50 = 5 μM). Garcinol has anti-inflammatory and anti-cancer activity[2].
Remodelin is a novel potent and selective inhibitor of the acetyl-transferase protein NAT10.IC50 value:Target: NAT10 inhibitorRemodelin can improve nuclear architecture, chromatin organization, and fitness of both human lamin A/C-depleted cells and HGPS-derived patient cells, and decrease markers of DNA damage in these cells. Using a combination of chemical, cellular, and genetic approaches, acetyl-transferase protein NAT10 was identified as the target of Remodelin that mediated nuclear shape rescue in laminopathic cells via microtubule reorganization. Down-regulation and mutations of the nuclear-architecture proteins lamin A and C cause misshapen nuclei and altered chromatin organization associated with cancer and laminopathies, including the premature-aging disease Hutchinson-Gilford progeria syndrome (HGPS). Remodelin is a useful chemical tool to study how NAT10 affects nuclear architecture and suggest alternative strategies for treating laminopathies and aging.
TPOP146 is a selective CBP/P300 benzoxazepine bromodomain inhibitor with Kd values of 134 nM and 5.02 μM for CBP and BRD4.
Procyanidin B3 is a natural product, acts as a specific HAT inhibitor, binds to the other site of p300 instead of the active site, selectively inhibits p300-mediated androgen receptor acetylation. Procyanidin B3 has no effect on HDAC or HMT (histone methyltransferase)[1].
Histone Acetyltransferase Inhibitor II is a potent and cell permeable p300 inhibitor, with an IC50 of 5 µM; Histone Acetyltransferase Inhibitor II can be used in cancer research.
Naphthol AS-E is a potent and cell-permeable inhibitor of KIX-KID interaction. Naphthol AS-E directly binds to the KIX domain of CBP (Kd:8.6 µM), blocks the interaction between the KIX domain and the KID domain of CREB with IC50 of 2.26 µM. Naphthol AS-E can be used for cancer research.
CBL0137, a curaxin compound, is a histone chaperone facilitates chromatin transcription (FACT) inhibitor. CBL0137 downregulates NF-?B and activates p53. CBL0137 restores both histone H3 acetylation and trimethylation. CBL0137 is an anticancer agent. CBL0137 induces cancer cell apoptosis[1].
CBP/p300-IN-19 is a potent p300/CBP HAT inhibitor with IC50s of 1.4, 2.2, >100, >100 µM for p300-HAT, CBP-HAT, PCAF, Myst3, respectively. CBP/p300-IN-19 shows antitumor activity[1].
CBP/p300-IN-19 hydrochloride is a potent and selective p300/CBP HAT inhibitor with IC50s of 1.4, 2.2, >100, >100 µM for p300-HAT, CBP-HAT, PCAF, Myst3, respectively. CBP/p300-IN-19 hydrochloride shows antitumor activity[1].