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

Dihydroorotate Dehydrogenase

DHODH

Dihydroorotate Dehydrogenase

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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.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-135618
    DHODH-IN-3
    		Inhibitor
    DHODH-IN-3 (compound 3) is a potent inhibitor of Human Dihydroorotate Dehydrogenases (HsDHODH) with an IC50 value of 261 nM. DHODH-IN-3 binds to the the ubiquinone binding cavities in DHODH with a Kiapp of 32 nM. DHODH-IN-3 has the potential for malaria treatment.
    DHODH-IN-3
  • HY-135676
    DHODH-IN-12
    		Inhibitor
    DHODH-IN-12 (Compound 12b) is a Leflunomide derivative and a weak dihydroorotate dehydrogenase (DHODH) inhibitor with a pKa of 5.07.
    DHODH-IN-12
  • HY-139632
    Ascochlorin A
    		Inhibitor
    Ascochlorin A is a novel and potent hDHODH inhibitor (KD = 3.29 μM) for research of triple-negative breast cancer.
    Ascochlorin A
  • HY-142843
    RORγt/DHODH-IN-1
    		Inhibitor
    RORγt/DHODH-IN-1 (compound (R)-14d) is a potent and orally active dual RORγt/DHODH inhibitor, with IC50s of 0.083 μM and 0.172 μM, respectively. RORγt/DHODH-IN-1 exhibits remarkable in vivo anti-inflammatory activity.
    RORγt/DHODH-IN-1
  • HY-135678
    DHODH-IN-14
    		Inhibitor
    DHODH-IN-14 (Compound 7l) is a hydroxyfurazan analog of A771726. DHODH-IN-14 is a dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 of 0.49 μM for rat liver DHODH. DHODH-IN-14 can be used for rheumatoid arthritis.
    DHODH-IN-14
  • HY-142847
    RORγt/DHODH-IN-3
    		Inhibitor
    RORγt/DHODH-IN-3 (compound (S)-14d) is a dual RORγt/DHODH inhibitor, with IC50s of 0.098 μM and 0.432 μM, respectively. RORγt/DHODH-IN-3 exhibits remarkable in vivo anti-inflammatory activity.
    RORγt/DHODH-IN-3
  • HY-151560
    hDHODH-IN-11
    		Inhibitor
    hDHODH-IN-11 is a potent human dihydroorotate dehydrogenase (hDHODH) inhibitor with an IC50 value of 7.2 nM. hDHODH-IN-11 has low cytotoxicity. hDHODH-IN-11 can be used in research of acute myeloid leukemia (AML).
    hDHODH-IN-11
  • HY-135654
    hDHODH-IN-2
    		Inhibitor
    hDHODH-IN-2 is an analogue of the active metabolite of Leflunomide. hDHODH-IN-2 is a human dihydroorotate dehydrogenase (hDHODH) inhibitor. hDHODH-IN-1 has anti-inflammatory activity.
    hDHODH-IN-2
  • HY-151381
    hDHODH-IN-10
    		Inhibitor
    hDHODH-IN-10 is a selective, potent and orally active hDHODH inhibitor, with an IC50 value of 10.9 nM. hDHODH-IN-10 forms hydrogen bonds with key residues Arg136 and Gln47. hDHODH-IN-10 inhibits the proliferation of cancer cells. hDHODH-IN-10 can be used in the research of cancers, such as AML, colorectal cancer.
    hDHODH-IN-10
  • HY-142834
    RORγt/DHODH-IN-2
    		Inhibitor
    RORγt/DHODH-IN-2 (compound 1) is a potent dual RORγt/DHODH inhibitor. RORγt/DHODH-IN-2 can be used for inflammatory bowel disease (IBD) research.
    RORγt/DHODH-IN-2
  • HY-139889
    DHODH-IN-18
    		Inhibitor
    DHODH-IN-18 is a human DHODH inhibitor (IC50 = 0.2 nM).
    DHODH-IN-18
  • HY-135677
    DHODH-IN-13
    		Inhibitor
    DHODH-IN-13 (Compound 7a) is a hydroxyfurazan analog of A771726. DHODH-IN-13 is a dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 of 4.3 μM for rat liver DHODH. DHODH-IN-13 can be used for rheumatoid arthritis.
    DHODH-IN-13
  • HY-149642
    hDHODH-IN-13
    		Inhibitor 99.97%
    hDHODH-IN-13 (compound w2) is an inhibitor of human dihydroorotate dehydrogenase (hDHODH) with an IC50 value of 173.4 nM. hDHODH-IN-13 can be used in the research of IBD.
    hDHODH-IN-13
  • HY-157153
    hDHODH-IN-14
    		Inhibitor
    hDHODH-IN-14 (compound 14) is a human dihydroorotate dehydrogenase (hDHODH) inhibitor with an IC50 of 0.469 μM.
    hDHODH-IN-14
  • HY-149030
    DHODH-IN-21
    		Inhibitor
    DHODH-IN-21 (compound 19) is an orally active selective dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 value of 1.1 nM. DHODH-IN-21 has anticancer activity and can be used in studies of acute myeloid leukaemia (AML).
    DHODH-IN-21
  • HY-158334
    NDs-IN-1
    		Inhibitor
    (Neurodegenerative diseases) NDs-IN-1 (Compound 3g) inhibits the activities of key enzymes such as hBACE-1, hAChE and hMAO-B. NDs-IN-1 is a novel non-covalent multi-target inhibitor. NDs-IN-1 is mainly used in the study of neurodegenerative diseases.
    NDs-IN-1
  • HY-144169
    DHODH-IN-19
    		Inhibitor
    DHODH-IN-19 is a potent inhibitor of DHODH. DHODH is present in the inner membrane of human mitochondria and is an iron-containing flavin-dependent enzyme. DHODH-IN-19 inhibits tumor growth. DHODH-IN-19 has the potential for the research of cancer and inflammation disease (extracted from patent WO2021238881A1, compound 1).
    DHODH-IN-19
  • HY-149877
    hDHODH-IN-12
    		Inhibitor
    hDHODH-IN-12 is a potent DHODH inhibitor with an IC50 value of 0.421 μM. DHODH is the rate-limiting enzyme in the de novo synthesis of pyrimidine which is essential in DNA/RNA Synthesis. hDHODH-IN-12 is present in the inner membrane of human mitochondria.hDHODH-IN-12 can be used for the research of lung cancer.
    hDHODH-IN-12
  • HY-135667
    hDHODH-IN-7
    		Inhibitor
    DHODH-IN-9 (Compound 10k) is an azine-bearing analogue and is a human dihydroorotate dehydrogenase inhibitor. DHODH-IN-9 has antiviral effect with a pMIC50 of 7.4.
    hDHODH-IN-7
  • HY-149031
    DHODH-IN-22
    		Inhibitor
    DHODH-IN-22 is a potent, selective and orally active dihydroorotate dehydrogenase (DHODH) inhibitor with an IC50 value of 0.3 nM. DHODH-IN-22 can be used for researching acute myelogenous leukemia (AML).
    DHODH-IN-22
Cat. No. Product Name / Synonyms Application Reactivity