2. Signaling Pathways
  3. Metabolic Enzyme/Protease
  4. Tyrosinase

Tyrosinase

Tyrosinase

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Tyrosinase is a copper-containing metalloprotein belonging to the type-3 copper protein family, together with haemocyanins and catechol oxidases. Tyrosinases are the catalysts in mammals responsible for the formation of melanin in skin and hair color, as well as browning in fruit and vegetables following cell damage.

Tyrosinases are found in various prokaryotes as well as in plants, fungi, arthropods, and mammals and are responsible for pigmentation, wound healing, radiation protection, and primary immune response. Tyrosinases perform two sequential enzymatic reactions: hydroxylation of monophenols and oxidation of diphenols to form quinones which polymerize spontaneously to melanin. In plants, sponges, and many invertebrates, tyrosinases are important for wound healing and primary immune responses; in arthropods, they play a role in sclerotization, and in bacteria, tyrosinases protect DNA from UV damage.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-143449
    Tyrosinase-IN-2
    		Inhibitor 99.71%
    Tyrosinase-IN-2 (compound 67) is a potent inhibitor of tyrosinase. Tyrosinase is a copper-containing metalloenzyme that is responsible for the rate-limiting catalytic step in the melanin biosynthesis and enzymatic browning. Tyrosinase-IN-2 has the potential for the research of skin whitening agents and food preservatives.
    Tyrosinase-IN-2
  • HY-152194
    Tyrosinase-IN-10
    		Inhibitor
    Tyrosinase-IN-10 (Compound 23) is a partially competitive tyrosinase inhibitor with an IC50 of 1.6 μM against tyrosinase activity from human melanoma cell lysates.
    Tyrosinase-IN-10
  • HY-N3943
    Glabrene
    		Inhibitor
    Glabrene, an isoflavene derived from licorice root, shows estrogen-like activity. Glabrene is a tyrosinase inhibitor with an IC50 of 3.5 μM.
    Glabrene
  • HY-N0859A
    Schisanhenol B
    		Inhibitor
    Schisanhenol B is one of the active ingredients of schisandra chinensis. Schisanhenol B is a tyrosinase inhibitor. Schisanhenol B has good binding activity with PIK3CG and can be used in the study of heart failure.
    Schisanhenol B
  • HY-N2135R
    Puerarin 6''-O-Xyloside (Standard)
    		Inhibitor
    Puerarin 6''-O-Xyloside (Standard) is the analytical standard of Puerarin 6''-O-Xyloside (HY-N2135). This product is intended for research and analytical applications. Puerarin 6''-O-Xyloside is one of the major iso-flavones found in P. lobata. Puerarin 6''-O-Xyloside inhibits cancer cells proliferation, induces apoptosis by upregulating cleaved caspase-3, 7, 9, Bax and downregulating Bcl-2 levles and inhibits tumor growth in mice. Puerarin 6''-O-Xyloside has anti-osteoporotic activity in ovariectomized mice. Puerarin 6''-O-Xyloside inhibits mushroom tyrosinase with an IC50 of 513.8 μM. Puerarin 6''-O-Xyloside can be used for the research of human lung carcinoma, osteoporosis, melanosis and melanomar.
    Puerarin 6''-O-Xyloside (Standard)
  • HY-N2839
    Allamandicin
    Allamandicin is an iridoid lactones. Allamandicin can be isolated from the roots of Allamanda cathartica. Allamandicin is an inhibitor of tyrosinase.
    Allamandicin
  • HY-P3742
    Tyrosinase (192-200), human mouse
    Tyrosinase (192-200), human mouse is a HLA-B*4403-restricted tyrosinase epitope with affinity for HLA-B4403 and HLA-B4402. Tyrosinase (192-200), human mouse binds to HLA-B*4403 to form a complex, which is recognized by the autologous cytotoxic T lymphocyte clone 22/31 derived from melanoma. Tyrosinase (192-200), human mouse binds to HLA-B4402 to form a complex, which is recognized by the CTL clone 329B/5 derived from healthy HLA-B4402 donors. Tyrosinase (192-200), human mouse is applicable to melanoma-related research.
    Tyrosinase (192-200), human mouse
  • HY-N17896
    Pinoresinol-4-O-β-D-apiosyl-(1→2)β-D-glucoside
    Pinoresinol-4-O-β-D-apiosyl-(1→2)β-D-glucoside is a lignan compound and a melanogenesis inhibitor with low cytotoxicity. Pinoresinol-4-O-β-D-apiosyl-(1→2)β-D-glucoside is isolable from the stem bark of Acer buergerianum (Acer buergerianum). Pinoresinol-4-O-β-D-apiosyl-(1→2)β-D-glucoside effectively inhibits the melanogenesis process in α-MSH (HY-P0252)-stimulated B16 melanoma cells. Pinoresinol-4-O-β-D-apiosyl-(1→2)β-D-glucoside exhibits extremely high safety towards normal cells, and serves as an ideal tool molecule for studying melanoma mechanisms and developing related whitening products.
    Pinoresinol-4-O-β-D-apiosyl-(1→2)β-D-glucoside
  • HY-107144
    LY2457546
    		Inhibitor
    LY2457546 is a potent and orally active multi-targeted anti-angiogenic tyrosine kinases inhibitor. LY2457546 demonstrates potent activity against targets that include VEGFR2, PDGFRβ, FLT-3, Tie-2 and members of the Eph family of receptors. LY2457546 can be used for the research of cancer, such as leukemia.
    LY2457546
  • HY-N6606R
    Delphinidin-3-O-galactoside chloride (Standard)
    Delphinidin-3-O-galactoside chloride (Standard) is the analytical standard of Delphinidin-3-O-galactoside chloride (HY-N6606). This product is intended for research and analytical applications. Delphinidin-3-O-galactoside chloride is an anthocyanin found in abbiteye blueberry. Delphinidin-3-O-galactoside chloride show inhibitory activitiesagainst α-glucosidase with an IC50 of 68.33 μM, and tyrosinase with an IC50 of 34.14 μM. Delphinidin-3-O-galactoside chloride attenuates HO-1 and HSP70 messenger RNA down-regulation, suppresses cytotoxicity, reduces endoplasmic reticulum stress responses, scavenges free radicals, reduces intracellular triglyceride levels and lipid droplet accumulation. Delphinidin-3-O-galactoside chloride can be used for the researches of diabesity, melanoma and inflammation.
    Delphinidin-3-O-galactoside chloride (Standard)
  • HY-174999
    JAK3-IN-18
    		Inhibitor
    JAK3-IN-18 is an orally active JAK3 and TEC inhibitor, with IC50s of 0.5391 nM and 12.40 nM, respectively. JAK3-IN-18 demonstrates outstanding selectivity over AK1, AK2, and TYk2, with selectivity ratios exceeding 10,000-fold. JAK3-IN-18 demonstrates excellent therapeutic efficacy in the experimental autoimmune encephalomyelitis (EAE) mouse model. JAK3-IN-18 can be used for the study of multiple sclerosis.
    JAK3-IN-18
  • HY-N0616R
    Trifolirhizin (Standard)
    		Inhibitor
    Trifolirhizin (Standard) is the analytical standard of Trifolirhizin. This product is intended for research and analytical applications. Trifolirhizin is a pterocarpan flavonoid isolated from the roots of Sophora flavescens. Trifolirhizin possesses potent tyrosinase inhibitory activity with an IC50 of 506 μM. Trifolirhizin exhibits potential anti-inflammatory and anticancer activities.
    Trifolirhizin (Standard)
  • HY-N3091
    Persiconin
    		Inhibitor
    Persiconin is a tyrosinase Inhibitor. Persiconin can be isolated from Prunus persica. Persiconin has tyrosinase inhibitory activity of 46% at 500 μM. Persiconin can be used in whitening research.
    Persiconin
  • HY-W013636S4
    2-Ketoglutaric acid-13C2
    		Inhibitor
    2-Ketoglutaric acid-13C2 (Alpha-Ketoglutaric acid-13C2) is a 13C labeled 2-Ketoglutaric acid (HY-W013636). 2-Ketoglutaric acid (Alpha-Ketoglutaric acid) is an intermediate in the production of ATP or GTP in the Krebs cycle. 2-Ketoglutaric acid also acts as the major carbon skeleton for nitrogen-assimilatory reactions. 2-Ketoglutaric acid is a reversible inhibitor of tyrosinase (IC50=15 mM).
    2-Ketoglutaric acid-<sup>13</sup>C<sub>2</sub>
  • HY-N1170
    Taxiphyllin
    Taxiphyllin (2R-Taxiphyllin) is a plant cyanogenic glycoside, which exhibits inhibitory activity for tyrosinase. Taxiphyllin exhibits cytotoxicity in BRL-3A cellls with an IC50 of 18.75 μm and antimicrobial activities against Staphylococcus aureus with an EC50 of 0.96 μM.
    Taxiphyllin
  • HY-122933
    Kurarinol
    		Inhibitor
    Kurarinol is a flavanone found in the root of Sophora flavescens. Kurarinol is a competitive tyrosinase inhibitor, with IC50 of 0.1 μM for mushroom tyrosinase.
    Kurarinol
  • HY-B1029R
    Danazol (Standard)
    		Inhibitor
    Danazol standard inhibits the proliferation of cancer cell MDA-MB-231 and MCF-7 with IC50 of 65 µg/mL and 31 µg/mL. Danazol arrests the cell cycle at G1 phase, induces apoptosis in MDA-MB-231 through PKCα signaling pathway.
    Danazol (Standard)
  • HY-179150
    EGFR-TK-IN-6
    		Inhibitor
    EGFR-TK-IN-6 (compound 10B) is an EGFR-TK inhibitor (IC50 = 0.65 μM). EGFR-TK-IN-6 has anti proliferative activity against MCF-7 cells (IC50 = 37.7 μM). EGFR-TK-IN-6 has low toxicity to normal cells. EGFR-TK-IN-6 can be used for cancer research.
    EGFR-TK-IN-6
  • HY-116145
    MHY884
    		Inhibitor
    MHY884 is a tyrosinase inhibitor that suppresses UVB-induced activation of NF-κB signaling pathway through the downregulation of oxidative stress. MHY884 suppresses oxidative stress in the melanoma cells and attenuates UVB-induced oxidative stress, resulting in reduced NF-κB activity in irradiated mice. MHY884 is promising for research of UVB-induced skin damage.
    MHY884
  • HY-113379
    2,3-Diaminopropionic acid
    		Inhibitor
    2,3-Diaminopropionic acid is the precursor of antibiotics and the siderophore staphyloferrin B. 2,3-Diaminopropionic acid is the inhibitor for polyphenoloxidase (PPO).
    2,3-Diaminopropionic acid
Cat. No. Product Name / Synonyms Application Reactivity