1. Signaling Pathways
  2. Metabolic Enzyme/Protease
  3. Dihydroorotate Dehydrogenase

Dihydroorotate Dehydrogenase

Dihydroorotate dehydrogenase (DHODH) is the fourth enzyme in the de novo pyrimidine biosynthesis pathway, serving as the catalyst to oxidize the dihydroorotate to orotic acid in the biosynthesis of uridine monophosphate (UMP). DHODH is a known target for autoimmune diseases as well as an important target for malaria.

Based on localization and electron acceptor, DHODHs have classified into two families: Family 1 members are soluble proteins localized to the cytosol, while family 2 members are membrane proteins localized to the inner mitochondrial membrane. Family 1 is further subdivided into family 1A and family 1B, which use fumarate and NAD+ (respectively) as electron acceptors. Family 2 DHODH enzymes use respiratory quinones as electron acceptors.

Dihydroorotate Dehydrogenase Related Products (38):

Cat. No. Product Name Effect Purity
  • HY-108325
    Brequinar
    Inhibitor 99.75%
    Brequinar (DUP785) is a potent inhibitor of dihydroorotate dehydrogenase (DHODH) with an IC50 of 5.2 nM for human DHODH. Brequinar has potent activities against a broad spectrum of viruses.
  • HY-B0083
    Leflunomide
    Inhibitor 99.94%
    Leflunomide is a pyrimidine synthesis inhibitor, inhibiting dihydroorotate dehydrogenase (DHODH), and acts as a disease-modifying antirheumatic drug.
  • HY-112645
    BAY-2402234
    Inhibitor 99.95%
    BAY-2402234 is a selective dihydroorotate dehydrogenase (DHODH) inhibitor for the treatment of myeloid malignancies.
  • HY-100184
    DSM265
    Inhibitor 99.72%
    DSM265 is a long-duration inhibitor of P. falciparum dihydroorotate dehydrogenase (PfDHODH) with an IC50 of 8.9 nM. DSM265 can also inhibit the growth of Pf3D7 parasites with an EC50 of 4.3 nM.
  • HY-14908
    Vidofludimus
    Inhibitor 98.88%
    Vidofludimus(4SC-101; SC12267) is a novel immunosuppressive drug that inhibits DHODH; inhibits IL-17 secretion in vitro independently of effects on lymphocyte proliferation.
  • HY-139189
    DHODH-IN-16
    Inhibitor 99.88%
    DHODH-IN-16 is a potent dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 of 0.396 nM for human DHODH.
  • HY-128068
    DHODH-IN-17
    Inhibitor 99.91%
    DHODH-IN-17, a 2-anilino nicotinic acid, is a human DHODH inhibitor (IC50=0.40 μM). DHODH-IN-17 can be used for theresearch of acute myeloid leukemia (AML).
  • HY-139632
    Ascochlorin A
    Inhibitor
    Ascochlorin A is a novel and potent hDHODH inhibitor (KD = 3.29 μM) for treatment of triple-negative breast cancer.
  • HY-15510
    Tenovin-6
    Inhibitor 98.61%
    Tenovin-6, an analog of Tenovin-1 (HY-13423), is an activator of p53 transcriptional activity. Tenovin-6 inhibits the protein deacetylase activities of purified human SIRT1, SIRT2, and SIRT3 with IC50s of 21 μM, 10 μM, and 67 μM, respectively. Tenovin-6 also inhibits dihydroorotate dehydrogenase (DHODH).
  • HY-129239
    Farudodstat
    Inhibitor 99.95%
    Farudodstat (ASLAN003) is an orally active and potent Dihydroorotate Dehydrogenase (DHODH) inhibitor with an IC50 of 35 nM for human DHODH enzyme. Farudodstat inhibits protein synthesis via activation of AP-1 transcription factors. Farudodstat induces apoptosis and substantially prolongs survival in acute myeloid leukemia (AML) xenograft mice.
  • HY-124593
    PTC299
    Inhibitor 99.39%
    PTC299 is an orally active inhibitor of VEGFA mRNA translation that selectively inhibits VEGF protein synthesis at the post-transcriptional level. PTC299 is also a potent inhibitor of dihydroorotate dehydrogenase (DHODH). PTC299 shows good oral bioavailability and lack of off-target kinase inhibition and myelosuppression. PTC299 can be useful for the research of hematologic malignancies.
  • HY-13423
    Tenovin-1
    Inhibitor 99.88%
    Tenovin-1, a p53 activator, protects p53 from MDM2-mediated degradation. Tenovin-1 acts through inhibition of the protein-deacetylating activities of SirT1 and SirT2. Tenovin-1 is also a dihydroorotate dehydrogenase (DHODH) inhibitor.
  • HY-100688
    ML390
    Inhibitor 98.77%
    ML390 is a potent dihydroorotate dehydrogenase (DHODH) inhibitor. ML390 is an inducer of myeloid differentiation and causes myeloid differentiation in murine (ER-HoxA9) and human (U937 and THP1) acute myeloid leukemia (AML) models.
  • HY-101813
    Laflunimus
    Inhibitor 99.26%
    Laflunimus (HR325) is an immunosuppressive agent and an analogue of the Leflunomide-active metabolite A77 1726. Laflunimus is an orally active inhibitor of dihydroorotate dehydrogenase (DHODH). Laflunimus suppresses immunoglobulin (Ig) secretion, with IC50 values of 2.5 and 2 µM for IgM and IgG, respectively. Laflunimus also is a prostaglandin endoperoxide H synthase (PGHS) -1 and -2 inhibitor.
  • HY-135570
    hDHODH-IN-3
    Inhibitor 99.86%
    hDHODH-IN-3 (compound 21d) is a human dihydroorotate dehydrogenase (HsDHODH) inhibitor, inhibits measles virus replication with a pMIC50 value of 8.6.
  • HY-137463
    AG-636
    Inhibitor 98.02%
    AG-636 is a potent, reversible, selective and orally active dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 of 17 nM. AG-636 has strong anticancer effects.
  • HY-128787
    hDHODH-IN-4
    Inhibitor 99.75%
    hDHODH-IN-4 is a potent human dihydroorotate dehydrogenase (DHODH) inhibitor, with a pIC50 of 7.8 for human recombinant DHODH. hDHODH-IN-4 inhibits measles virus replication, with a pMIC50 of 8.8.
  • HY-135675
    DHODH-IN-11
    Inhibitor 99.94%
    DHODH-IN-11 (Compound 14b) is a Leflunomide derivative and a weak dihydroorotate dehydrogenase (DHODH) inhibitor with a pKa of 5.03.
  • HY-15510B
    Tenovin-6 Hydrochloride
    Inhibitor ≥98.0%
    Tenovin-6 Hydrochloride, an analog of Tenovin-1 (HY-13423), is an activator of p53 transcriptional activity. Tenovin-6 Hydrochloride inhibits the protein deacetylase activities of purified human SIRT1, SIRT2, and SIRT3 with IC50s of 21 μM, 10 μM, and 67 μM, respectively. Tenovin-6 Hydrochloride also inhibits dihydroorotate dehydrogenase (DHODH).
  • HY-132174
    CHIKV-IN-2
    Inhibitor 98.15%
    CHIKV-IN-2 is a potent inhibitor against Chikungunya virus (CHIKV), with excellent cellular antiviral activity (EC90=270 nM) and improved liver microsomal stability. CHIKV-IN-2 shows inhibitory activity against a cellular target Dihydroorotate Dehydrogenase (DHODH), which interacts with various viruses and regulate their replication via depleting intracellular pyrimidine pools.
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