1. Metabolic Enzyme/Protease
  2. E1/E2/E3 Enzyme

E1/E2/E3 Enzyme

Ubiquitin (UB) is a protein modifier that regulates many essential cellular processes. To initiate protein modification by UB, the E1 enzyme activates the C-terminal carboxylate of UB to launch its transfer through the E1-E2-E3 cascade onto target proteins. The E1 enzyme is the activating enzyme, to which ubiquitin is attached in an ATP-dependent reaction by a thioester bond. The E2 enzyme is the conjugating enzyme, to which the ubiquitin is transferred from the E1. The E3 is the ubiquitin ligase, which directly or indirectly catalyzes the transfer of the ubiquitin to the target protein (the substrate), with the formation of an isopeptide bond.

E1/E2/E3 Enzyme Related Products (17):

Cat. No. Product Name Effect Purity
  • HY-N0077
    Ginkgolic Acid Inhibitor 99.59%
    Ginkgolic Acid is a natural compound that inhibits SUMOylation with an IC50 of 3.0 μM in in vitro assay.
  • HY-100237
    SZL P1-41 Inhibitor 99.18%
    SZL P1-41 is Skp2 inhibitor, selectively suppresses Skp2 E3 ligase activity, but not activity of other SCF complexes.
  • HY-100487
    TAK-243 Inhibitor 99.43%
    TAK-243 is a potent and selective ubiquitin-like modifier activating enzyme 1 (UBA1) inhibitor.
  • HY-13296
    PYR-41 Inhibitor >98.0%
    PYR-41 is a selective and cell permeable inhibitor of ubiquitin-activating enzyme E1 with an IC50 of < 10 μM, with little activity at E2 and E3.
  • HY-103236
    NSC232003 Inhibitor 98.09%
    NSC232003 is a highly potent and cell-permeable UHRF1 inhibitor, which inhibits DNA methylation in vitro and disrupts DNMT1/UHRF1 interactions at a cellular level.
  • HY-114166
    2-D08 Inhibitor 99.04%
    2-D08 is a cell permeable, mechanistically unique inhibitor of protein SUMOylation. 2-D08 also inhibits Axl with an IC50 of 0.49 nM.
  • HY-114304
    COH000 Inhibitor >98.0%
    COH000 is an allosteric, covalent and irreversible inhibitor of ubiquitin-like 1-activating enzyme (SUMO-activating enzyme) (E1), with an IC50 of 0.2 μM for SUMOylation in vitro.
  • HY-111789
    TAK-981 Inhibitor
    TAK-981 is a first in class and selective inhibitor of the SUMOylation enzymatic cascade, with potential immune-activating and antineoplastic activities.
  • HY-100507
    Avadomide Agonist 99.53%
    Avadomide (CC122) is a novel agent for DLBCL with antitumor and immunomodulatory activity. Avadomide (CC122) binds CRBN and degrades Aiolos and Ikaros resulting in a mimicry of IFN signaling and apoptosis in DLBCL.
  • HY-101836
    DKM 2-93 Inhibitor 98.87%
    DKM 2-93 is a relatively selective inhibitor of UBA5 with an IC50 of 430 μM.
  • HY-19817
    PRT4165 Inhibitor >98.0%
    PRT4165 is a potent inhibitor of PRC1-mediated H2A ubiquitylation.
  • HY-16661
    Skp2 Inhibitor C1 Inhibitor
    Skp2 Inhibitor C1(SKPin C1) is a specific small molecule inhibitor of Skp2-mediated p27 degradation, selectively inhibited Skp2-mediated p27 degradation by reducing p27 binding through key compound-receptor contacts.
  • HY-18643
    TZ9 Inhibitor 99.17%
    TZ9 is a novel inhibitor of Rad6 ubiquitin conjugating enzyme(E2 enzyme); inhibits MDA-MB-231 cell proliferation with IC50 of ~6 uM.
  • HY-101488
    CC-885 Modulator 99.78%
    CC-885 is a cereblon (CRBN) modulator with potent anti-tumour activity.
  • HY-15301
    CC0651 Inhibitor 99.30%
    CC0651 is an allosteric inhibitor of the human Cdc34 ubiquitin-conjugating enzyme. CC0651 potently (IC50=1.72 μM) inhibits the ubiquitination of p27Kip1, as confirmed by dose-response analysis.
  • HY-13297
    PYZD-4409 Inhibitor >98.0%
    PYZD-4409 is a novel small molecule inhibitor of Ubiquitin-activating enzyme UBA1/E1 enzyme with an IC50 of 20 uM (cell-free enzymatic assay).
  • HY-103046
    UbcH5c-IN-1 Inhibitor
    UbcH5c-IN-1 (compound 6d) is a potent and selective small-molecule inhibitor of Ubiquitin-conjugating enzyme UbcH5c, with a Kd of 283 nM for E2 UbcH5c-IN-1 by covalent binding with Cys85. A promising lead compound for the development of new antirheumatoid arthritis (RA) agent.
Isoform Specific Products

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