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p300 HAT Inhibitor

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Histone Acetyltransferase (22) Apoptosis (4) Autophagy (1) Bacterial (1) Cholinesterase (ChE) (1) Endogenous Metabolite (1) Epigenetic Reader Domain (5) Ferroptosis (1) Influenza Virus (1) Keap1-Nrf2 (1) Mitophagy (1) PROTACs (1)
By Research Areas:	Cancer (24) Infection (1) Inflammation/Immunology (2) Metabolic Disease (1) Neurological Disease (1)

Inhibitors & Agonists

Natural
Products

Isotope-Labeled Compounds

Targets Recommended: Histone Acetyltransferase

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-120290

PU141	Histone Acetyltransferase	Cancer
PU141 is a selected pyridoisothiazolone *HAT* inhibitor. PU141 is selective toward CBP and *p300. PU141 induces cellular histone hypoacetylation and inhibits* growth of several neoplastic cell lines originating from different tissues. Anticancer activity .

HY-131035

Lys-CoA TFA	Histone Acetyltransferase	Cancer
Lys-CoA TFA is a selective *p300* histone acetyltransferase (HAT) inhibitor (IC₅₀=50-500 nM). Lys-CoA TFA displays >100-fold selectivity for p300 over PCAF (IC₅₀=200 μM). Lys-CoA TFA inhibits p300 HAT activity-dependent transcriptional activation .

HY-162128

Antitumor agent-130	Histone Acetyltransferase	Cancer
Antitumor agent-130 (Compound 7b) is a *p300* histone acetyltransferases (HAT) inhibitor with an IC₅₀ of 1.51 μM. Antitumor agent-130 combinates with doxorubicin (HY-15142A) can significantly inhibit tumor growth and invasion in vitro and in vivo .

HY-146277

CBP/p300-IN-19	Histone Acetyltransferase	Cancer
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 .

HY-146277A

CBP/p300-IN-19 hydrochloride	Histone Acetyltransferase	Cancer
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 .

HY-107455

A-485 Maximum Cited Publications 44 Publications Verification	Epigenetic Reader Domain Histone Acetyltransferase	Cancer
A-485 is a potent and selective catalytic inhibitor of *p300/CBP* with IC₅₀s of 9.8 nM and 2.6 nM for *p300* and CBP histone acetyltransferase (HAT), respectively .

HY-161483

CBP/p300 ligand 3	Epigenetic Reader Domain Histone Acetyltransferase	Neurological Disease Cancer
CBP/p300 ligand 3 is a target protein ligand of CBPD-268 (HY-161369). CBP and *p300* are two proteins with histone acetyltransferase (HAT) activity, and CBP and *p300* play key roles in regulating biological processes such as gene expression, cell proliferation, differentiation and DNA repair. Through its acetyltransferase activity, *CBP/p300* can acetylate histones and other proteins, thereby regulating chromatin structure and gene expression. CBP/p300 ligand 3 regulates the function of *CBP/p300* by binding to a specific domain of the *CBP/p300* protein (the bromine domain or HAT domain), inhibiting its enzyme activity or altering its interactions with other proteins (transcription factors). CBP/p300 ligand 3 can be used in cancer, neurodegenerative diseases and other disease models associated with abnormal *CBP/p300* function .

HY-124696

PU139	Histone Acetyltransferase	Cancer
PU139 is a potent pan-histone acetyltransferase *(HAT)* inhibitor. PU139 blocks the HATs Gcn5, p300/CBP-associated factor (PCAF), CREB (cAMP response element-binding) protein (CBP) and p300 with IC₅₀s of 8.39, 9.74, 2.49 and 5.35 μM, respectively .

HY-143441

CBP/p300-IN-17	Histone Acetyltransferase	Cancer
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 .

HY-143442

CBP/p300-IN-18	Histone Acetyltransferase	Cancer
CBP/p300-IN-18 (compound 8) is a potent EP300/CBP HAT inhibitor with IC₅₀s of 0.056, 0.46 µM for HAT EP300 and LK2 H3K27, respectively .

HY-143440

CBP/p300-IN-16	Histone Acetyltransferase	Cancer
CBP/p300-IN-16 (compound 1) is a potent EP300/CBP HAT inhibitor with IC₅₀s of 0.61, 2.24 µM for HAT EP300 and LK2 H3K27, respectively .

HY-N2345

Procyanidin B3	Histone Acetyltransferase	Cancer
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) .

HY-147261

B026	Histone Acetyltransferase	Cancer
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 .

HY-147290

NSC 694623	Histone Acetyltransferase	Cancer
NSC 694623 is a potent histone acetyltransferase (HAT) inhibitor with an IC₅₀ value of 15.9 μM for recombinant HAT p300/CBP-associated factor (PCAF). NSC 694623 has antiproliferative activity against certain cancer cells. NSC 694623 can be used for researching anticancer .

HY-N2020

Anacardic Acid 5+ Cited Publications Hydroginkgolic acid; Ginkgolic Acid C15:0	Histone Acetyltransferase Epigenetic Reader Domain Bacterial	Cancer
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.

HY-15887

MG 149 10+ Cited Publications Tip60 HAT Inhibitor	Histone Acetyltransferase Epigenetic Reader Domain Apoptosis	Cancer
MG149 (Tip60 HAT inhibitor) 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) .

HY-136285

CPI-1612	Histone Acetyltransferase	Cancer
CPI-1612 is a highly potent, orally active EP300/CBP histone acetyltransferase (HAT) inhibitor with an IC₅₀ of 8.1 nM for EP300 HAT. CPI-1612 has an anticancer activity .

HY-W013274

CPTH2	Histone Acetyltransferase Apoptosis	Cancer
CPTH2 is a potent histone acetyltransferase (HAT) inhibitor. CPTH2 selectively inhibits the acetylation of histone H3 by Gcn5. CPTH2 induces apoptosis and decreases the invasiveness of a clear cell renal carcinoma (ccRCC) cell line through the inhibition of acetyltransferase p300 (KAT3B) .

HY-W013274A

CPTH2 hydrochloride	Histone Acetyltransferase Apoptosis	Cancer
CPTH2 hydrochloride is a potent histone acetyltransferase (HAT) inhibitor. CPTH2 hydrochloride selectively inhibits the acetylation of histone H3 by Gcn5. CPTH2 hydrochloride induces apoptosis and decreases the invasiveness of a clear cell renal carcinoma (ccRCC) cell line through the inhibition of acetyltransferase p300 (KAT3B) .

HY-N0005S

Curcumin-d6 Diferuloylmethane-d₆; Natural Yellow 3-d₆; Turmeric yellow-d₆	Keap1-Nrf2 Ferroptosis Autophagy Histone Acetyltransferase Epigenetic Reader Domain Mitophagy Influenza Virus	Infection Metabolic Disease Inflammation/Immunology
Curcumin-d₆is a deuterium labeled Curcumin (Turmeric yellow). Curcumin (Turmeric yellow) is a natural phenolic compound with diverse pharmacologic effects including anti-inflammatory, antioxidant, antiproliferative and antiangiogenic activities. Curcumin is an inhibitor of p300 histone acetylatransferase (HATs) and also shows inhibitory effects on NF-κB and MAPKs.

HY-107569

Garcinol 1 Publications Verification	Cholinesterase (ChE) Histone Acetyltransferase Apoptosis Endogenous Metabolite	Inflammation/Immunology Cancer
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 . 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 .

HY-145386

(S,S)-CPI-1612	Others	Cancer
(S,S)-CPI-1612 is the isomer of CPI-1612 (HY-136285), and can be used as an experimental control. CPI-1612 is a highly potent, orally active EP300/CBP histone acetyltransferase (HAT) inhibitor with an IC₅₀ of 8.1 nM for EP300 HAT. CPI-1612 has an anticancer activity .

HY-136285A

(R,R)-CPI-1612	Others	Cancer
(R,R)-CPI-1612 is the isomer of CPI-1612 (HY-136285), and can be used as an experimental control. CPI-1612 is a highly potent, orally active EP300/CBP histone acetyltransferase (HAT) inhibitor with an IC₅₀ of 8.1 nM for EP300 HAT. CPI-1612 has an anticancer activity .

HY-152241

DS-9300	Histone Acetyltransferase	Cancer
DS-9300 is a potent, orally active, selective EP300/CBP HAT inhibitor with an IC₅₀ value of 28 nM. DS-9300 has anticancer activity and can be used in prostate cancer disease research .

HY-161250

Pomalidomide-NH-PEG6-amide-C2-CPI-1612	PROTACs	Cancer
Pomalidomide-NH-PEG6-amide-C2-CPI-1612 (compound 22 (dCE-1)) is a CBP/EP300 degrader, which contains a CRBN ligands Pomalidomide, a 24-atom linker with 6 PEG units and a HAT inhibitor CPI-1612. Pomalidomide-NH-PEG6-amide-C2-CPI-1612 exhibits antiproliferative effects in cells multiple myeloma cells LP1 (with a DC₅₀ of 1.2 μM), MM1S and various cancer cell lines, especially the leukemia cells .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N2345

Procyanidin B3	Flavonoids other families Classification of Application Fields Functional Molecules Source classification Research of Health Products Phenols Polyphenols Plants Biflavones Disease Research Fields Cancer	Histone Acetyltransferase
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) .

HY-N2020

Anacardic Acid 5+ Cited Publications Hydroginkgolic acid; Ginkgolic Acid C15:0	Structural Classification Ginkgoaceae Classification of Application Fields Source classification Plants Ginkgo biloba Monophenols Ketones, Aldehydes, Acids Phenols Anacardium occidentaleL. Disease Research Fields Anacardiaceae Cancer	Histone Acetyltransferase Epigenetic Reader Domain Bacterial
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.

HY-107569

Garcinol 1 Publications Verification	Structural Classification Classification of Application Fields Guttiferae Phenols Polyphenols Plants Inflammation/Immunology Disease Research Fields Garcinia indica	Cholinesterase (ChE) Histone Acetyltransferase Apoptosis Endogenous Metabolite
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 . 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 .

Cat. No.	Product Name	Chemical Structure

HY-N0005S

Curcumin-d6
Curcumin-d₆is a deuterium labeled Curcumin (Turmeric yellow). Curcumin (Turmeric yellow) is a natural phenolic compound with diverse pharmacologic effects including anti-inflammatory, antioxidant, antiproliferative and antiangiogenic activities. Curcumin is an inhibitor of p300 histone acetylatransferase (HATs) and also shows inhibitory effects on NF-κB and MAPKs.

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p300 HAT Inhibitor

Inhibitors & Agonists

NaturalProducts

Isotope-Labeled Compounds

Natural
Products