Recombinant Mouse L-dopachrome tautomerase (Dct)

Code CSB-CF006562MO
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Source in vitro E.coli expression system
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Product Details

Target Names
Uniprot No.
Alternative Names
Dct; Tyrp-2; Tyrp2; L-dopachrome tautomerase; DCT; DT; EC; DOPAchrome conversion factor; DOPAchrome isomerase; DOPAchrome oxidoreductase; L-dopachrome Delta-isomerase; SLATY locus protein; Tyrosinase-related protein 2; TRP-2; TRP2
Mus musculus (Mouse)
Expression Region
Target Protein Sequence
Protein Length
Full Length of Mature Protein
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose.
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Please contact us to get it.

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Target Background

Catalyzes the conversion of L-dopachrome into 5,6-dihydroxyindole-2-carboxylic acid (DHICA).
Gene References into Functions
  1. soyasaponin Ag inhibited TRP2 expression in a dosedependent manner. Therefore, the depigmenting effect of soyasaponin Ag may be due to the inhibition of tyrosinase expression or the enhancement of tyrosinase degradation. PMID: 28713957
  2. the slaty mutant melanocytes seem to be more sensitive to ultraviolet rays and oxidative stress than black melanocytes. PMID: 26451690
  3. A novel murine model of vitiligo is established by sequential prime/boost immunizations into the hind footpad and tail dermis with tyrosinase-related protein 2 (TRP2)-180 (SVYDFFVWL) peptide. PMID: 23711243
  4. study indicates that tumor antigen (TRP2) expressed in MCMV induces a strong and long-lasting anti-melanoma effect through an antibody-dependent mechanism PMID: 23811402
  5. Vaccine formulations with synthetic long peptides for treating B16F10 skin melanoma fails to elicit strong CD8 T cell responses to self-differentiation antigens TRP-2 and gp100. PMID: 23203930
  6. level of gene targeting was not improved by the DSB induction, indicating a limited capacity of I-SceI to mediate homologous recombination at the Dct locus PMID: 22761925
  7. Recombinant dopachrome tautomerase was expressed and purified, without its carboxy-terminal transmembrane region. Analysis of dopachrome tautomerase tryptic peptides by MALDI-TOF/TOF determined N-glycosylation as a primary post-translational modification. PMID: 20386969
  8. Dopachrome tautomerase inactivation elevates the level of ROS, increases the numbers of sunburn cells and apoptotic cells, and decreases the amount of eumelanin in the epidermis upon exposure to chronic UVA radiation PMID: 20123016
  9. the TRP-2 polypeptide folds in the endoplasmic reticulum (ER) in the presence of calnexin, until it reaches a dithiothreitol-resistant conformation enabling its ER exit to the Golgi PMID: 12719423
  10. Results describe the generation of a knockout of the dopachrome tautomerase gene in mice with effects restricted to pigment production and coat color. PMID: 15060160
  11. We found that ionophore monensin (Mon) and the quaternary amine chloroquine (CQ) discriminate between the traffic routes of TRP-2 and TRP-1 PMID: 15707965
  12. The enzymatic activity of Dct may play a role in determining whether the eumelanin or pheomelanin pathway is preferred for pigment biosynthesis. PMID: 15960609
  13. These results suggest that the slaty mutation affects both eumelanin and pheomelanin synthesis in developmental stage-specific and skin site-specific manners. PMID: 16584806
  14. Slaty mutation blocks the melanosome maturation at stage III and affects the melanosome morphology (elliptical or spherical) in a developmental stage-specific manner. PMID: 17516460
  15. Eumelanin and pheomelanin may accumulate with difficulty in slaty-mutated melanocytes and be easily released from them during skin development. L-Tyr may stimulate this release. PMID: 17551240
  16. These results suggest that the slaty mutation inhibits the development of elliptical stage IV melanosomes and that L-Tyr restores the development of elliptical stage IV melanosomes PMID: 17867832
  17. Cytotoxicity toward targets loaded with a K(b)-restricted tyrosinase-related protein 2-derived peptide correlated with depigmentation in a mouse model of autoimmune vitiligo. PMID: 18337834
  18. mice lacking DCT displayed normal cardiac development but an increased susceptibility to atrial arrhythmias PMID: 19855129

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Involvement in disease
The slaty mutation in Tyrp2 leads to a decrease of DT activity and a consequent change in the pigmentation of the mice to a dark gray/brown eumelanin. The slaty-2j mutation has a similar phenotype, the slaty-lt (light) mutation has a more severe effect and is semidominant; its phenotype may be a result of the failure of the enzyme to be correctly targeted to its normal location on the inner face of the melanosomal membrane.
Subcellular Location
Melanosome membrane; Single-pass type I membrane protein. Melanosome.
Protein Families
Tyrosinase family
Tissue Specificity
Melanocytes and retinal pigmented epithelium (at protein level).
Database Links
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