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A-485 is a potent and selective catalytic p300 CBP inhibitor with IC50 values of 9.8 nM for p300 and 2.6 nM for CBP.

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.

Acetaminophen (APAP) is a COX inhibitor that inhibits COX-1 and COX-2 (IC50=113.7/25.8 μM). Acetaminophen has antipyretic and analgesic activity as well as weak anti-inflammatory activity.

Curcumin (Natural Yellow 3) is a phenolic natural product, an inhibitor of histone acetyltransferase p300/CREB (IC50=25 μM) with specificity. Curcumin has a wide range of pharmacological activities such as antitumor, anti-inflammatory and antioxidant.

Remodelin is an effective and specific inhibitor of the acetyl-transferase protein NAT10.

CPI-637 is a selective and cell-active benzodiazepinone CBP EP300 bromodomain inhibitor.

EML 425 is a potent and selective inhibitor of CREB binding protein (CBP)/p300 (IC50s: 2.9 and 1.1 μM, respectively).

DCH36_06 ((5E)-1-(3-chloro-4-methylphenyl)-5-[(2E)-3-(furan-2-yl)prop-2-en-1-ylidene]-2-thioxodihydropyrimidine-4,6(1H,5H)-dione)  as a bona fide is a potent p300/CBP inhibitor

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. 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.

L002, a potent, cell-permeable, reversible, and specific acetyltransferase p300 (KAT3B) inhibitor with an IC50 of 1.98 μM, directly binds the acetyl-CoA pocket and competitively inhibits the FATp300 catalytic domain. By blocking histone acetylation, p53 acetylation, and STAT3 activation, L002 shows potential in the treatment of hypertension‐induced cardiac hypertrophy and fibrogenesis.

Fexinidazole (HOE 239) is an antiparasitic agent with activity against Trypanosoma cruzi, Tritrichomonas foetus, Trichomonas vaginalis, Entamoeba histolytica, Trypanosoma brucei, and Leishmania donovani. The biologically relevant active metabolites in vivo are the sulfoxide and sulfone.

C646, a histone acetyltransferase inhibitor, inhibits p300 (Ki: 400 nM, in a cell-free assay).

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.

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

WM-1119 is a highly potent, selective KAT6A/B inhibitor

YF-2 is blood-brain-barrier permeable histone acetyltransferase activator, acetylates H3 in the hippocampus, CBP, PCAF, and GCN5 with EC50s of 2.75 μM, 29.04 μM and 49.31 μM , respectively

Remodelin hydrobromide (Remodelin HBR) is a novel potent and selective inhibitor of the acetyl-transferase protein NAT10.

MG 149 (Tip60 HAT inhibitor) is a selective and potent Tip60 inhibitor with IC50 of 74 uM, similar potentcy for MOF(IC50= 47 uM).

CPTH2 is a histone acetyltransferase inhibitor modulating Gcn5 network.

PF-9363 (CTX-3648) is a potent and high selective KAT6A/KAT6B inhibitor. PF-9363 can be used for the research of cancer.

Procyanidin B3(B3) is a procyanidin dimer that is widely studied due to its high abundance in the human diet and antioxidant activity.

HAT-IN-1, an inhibitor of HAT (histone acetyltransferase), is utilized in cancer research.

HAT-SIL-TG-1&AT, a hypoxia-activated prodrug, functions as a Janus tyrosine kinase (JAK) inhibitor demonstrating antitumor effects by inhibiting JAK-STAT signaling within tumor tissues. It also suppresses the proliferation of HEL cells and downregulates phosphorylated STAT3 5 in hypoxic conditions.

HAT-IN-8 (Compound 38), a blood-brain barrier-permeable inhibitor of Trypanosoma brucei with an EC50 of 0.18 μM, is utilized in the study of Human African trypanosomiasis [1].