2. Signaling Pathways
  3. Epigenetics
  4. Histone Acetyltransferase

Histone Acetyltransferase

HATs; HAT

Histone Acetyltransferase

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Histone acetyltransferases (HATs) are epigenetic enzymes that install acetyl groups onto lysine residues of cellular proteins such as histones, transcription factors, nuclear receptors, and enzymes. HATs are crucial for chromatin restructuring and transcriptional regulation in eukaryotic cells. HATs have been shown to play a role in diseases ranging from cancer and inflammatory diseases to neurological disorders, both through acetylations of histone proteins and non-histone proteins.

HATs can be grouped into at least five different subfamilies (HAT1, Gcn5/PCAF, MYST, p300/CBP, and Rtt109). HATs mediate many different biological processes including cell-cycle progression, dosage compensation, repair of DNA damage, and hormone signaling. Aberrant HAT function is correlated with several human diseases including solid tumors, leukemias, inflammatory lung disease, viral infection, diabetes, fungal infection, and drug addiction.

Histone Acetyltransferase Isoform Specific Products:

Histone Acetyltransferase Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-66005S1
    Acetaminophen-d3
    		≥99.0%
    Acetaminophen-d3 is the deuterium labeled Acetaminophen. Acetaminophen (Paracetamol) is a selective cyclooxygenase-2 (COX-2) inhibitor with an IC50 of 25.8 μM; is a widely used antipyretic and analgesic agent[1][2][3]. Acetaminophen is a potent hepatic N-acetyltransferase 2 (NAT2) inhibitor[4].
    Acetaminophen-d<sub>3</sub>
  • HY-139149
    NiCur
    		Inhibitor 99.11%
    NiCur is a potent and selective CBP histone acetyltransferase (HAT) inhibitor with an IC50 value of 0.35 μΜ. NiCur, which blocks CBP HAT activity and downregulates p53 activation upon genotoxic stress. NiCur can be used for performing mechanistic studies without affecting the expression of target proteins.
    NiCur
  • HY-151812
    CBP/p300-IN-20
    		Inhibitor 98.03%
    CBP/p300-IN-20 is a potent and selective p300/CBP inhibitor, with a pIC50 of 10.1 for p300. CBP/p300-IN-20 can be used for the research of cancer.
    CBP/p300-IN-20
  • HY-66005S4
    Acetaminophen-13C2,15N
    		98.30%
    Acetaminophen-13C2,15N is the 13C and 15N labeled Acetaminophen[1]. Acetaminophen (Paracetamol) is a selective cyclooxygenase-2 (COX-2) inhibitor with an IC50 of 25.8 μM;is a widely used antipyretic and analgesic agent[2][3][4]. Acetaminophen is a potent hepatic N-acetyltransferase 2 (NAT2) inhibitor[5].
    Acetaminophen-<sup>13</sup>C<sub>2</sub>,<sup>15</sup>N
  • HY-139108
    DCH36_06
    		Inhibitor 99.19%
    DCH36_06 is a potent and selective p300/CBP inhibitor with IC50s of 0.6 μM and 3.2 μM for p300 and CBP, respectively. DCH36_06 mediated p300/CBP inhibition leading to hypoacetylation on H3K18 in leukemic cells. Anti-tumor activity.
    DCH36_06
  • HY-104068
    Naphthol AS-E
    		Inhibitor ≥98.0%
    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.
    Naphthol AS-E
  • HY-145386
    (S,S)-CPI-1612
    		Control 99.88%
    (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.
    (S,S)-CPI-1612
  • HY-111954
    (+)-Erinacin A
    		99.97%
    (+)-Erinacin A (Erinacine A) is a cyanoditerpenoid isolated from Hericium erinaceus with anticancer, anti-inflammatory and neuroprotective activities. (+)-Erinacin A can induce cancer cell death by activating extrinsic and intrinsic apoptosis pathways. (+)-Erinacin A can also inhibit the expression of NO synthase (iNOS) and the production of nitrotyrosine to exert inflammatory and neuroprotective effects, thereby reducing ischemic brain damage.
    (+)-Erinacin A
  • HY-146277A
    CBP/p300-IN-19 hydrochloride
    		Inhibitor
    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.
    CBP/p300-IN-19 hydrochloride
  • HY-N0005R
    Curcumin (Standard)
    		Inhibitor
    Curcumin (Standard) is the analytical standard of Curcumin. This product is intended for research and analytical applications. Curcumin (Diferuloylmethane), a natural phenolic compound, is a p300/CREB-binding protein-specific inhibitor of acetyltransferase, represses the acetylation of histone/nonhistone proteins and histone acetyltransferase-dependent chromatin transcription. Curcumin shows inhibitory effects on NF-κB and MAPKs, and has diverse pharmacologic effects including anti-inflammatory, antioxidant, antiproliferative and antiangiogenic activities. Curcumin induces stabilization of Nrf2 protein through Keap1 cysteine modification.
    Curcumin (Standard)
  • HY-100132
    CBP/p300-IN-5
    		Inhibitor
    P300/CBP-IN-5 is a potent p300/CBP histone acetyltransferase inhibitor extracted from patent WO2016044770A1, Example 715, has an IC50 of 18.8 nM.
    CBP/p300-IN-5
  • HY-136473
    CTX-0124143
    		Inhibitor 98.84%
    CTX-0124143 is a KAT6A inhibitor with a sulfonyl hydrazine skeleton.
    CTX-0124143
  • HY-136285A
    (R,R)-CPI-1612
    		Control 99.49%
    (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.
    (R,R)-CPI-1612
  • HY-161875
    NAT1-IN-1
    		Inhibitor
    NAT1-IN-1 (compound 350) is a potent N-acetyltransferase 1 (NAT1)-targeted inhibitor, with an IC50 of 44 nM. NAT1-IN-1 can be used for the research of hypermetabolic diseases such as amyotrophic lateral sclerosis, cancer cachexia, and sepsis.
    NAT1-IN-1
  • HY-145954
    NAT2-IN-1
    		Inhibitor
    NAT2-IN-1 (APA) is an inhibitor of agent metabolic enzyme N-acetyltransferase 2 (NAT2). NAT2-IN-1 can selectively kill slow NAT2 cells.
    NAT2-IN-1
  • HY-134621
    P300-IN-1
    		Inhibitor
    P300-IN-1 (cpd205) is a Histone acetylase p300 inhibitor.
    P300-IN-1
  • HY-W013274A
    CPTH2 hydrochloride
    		Inhibitor
    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).
    CPTH2 hydrochloride
  • HY-143443
    DS17701585
    		Inhibitor
    DS17701585 (Compound 11) is a highly selective, orally active EP300 and CBP inhibitor with IC50 values of 0.040, 0.15, 0.45 and 0.70 µM against CBP, EP300, H3K27 and SOX2. DS17701585 can be used for cancer research.
    DS17701585
  • HY-141546
    Pocenbrodib
    		Inhibitor
    Pocenbrodib (compound II) is a CBP/p300 family of bromodomain inhibitor. Pocenbrodib has the potential for cancer research.
    Pocenbrodib
  • HY-P2557
    Histone H3 (5-23)
    Histone H3 (5-23), derived from histone H3 5-23 amino acids, can be used as a substrate for histone acetyltransferase (HAT) assays.
    Histone H3 (5-23)
Cat. No. Product Name / Synonyms Application Reactivity
Histone Acetyltransferase Isoform Comparison

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