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  4. Recombinant Human Tryptophan 2,3-dioxygenase (TDO2)

Recombinant Human Tryptophan 2,3-dioxygenase (TDO2)

  • 中文名稱：
    人TDO2重組蛋白
  • 貨號：
    CSB-BP023351HU
  • 規格：
  • 來源：
    Baculovirus
  • 其他：
  • 中文名稱：
    人TDO2重組蛋白
  • 貨號：
    CSB-EP023351HU-B
  • 規格：
  • 來源：
    E.coli
  • 共軛：
    Avi-tag Biotinylated

    E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.

  • 其他：
  • 中文名稱：
    人TDO2重組蛋白
  • 貨號：
    CSB-MP023351HU
  • 規格：
  • 來源：
    Mammalian cell
  • 其他：

產品詳情

  • 純度：
    >85% (SDS-PAGE)
  • 基因名：
  • Uniprot No.：
  • 別名：
    3-dioxygenase; T23O_HUMAN; TDO 2; TDO; tdo2; TO; TPH2; TRPO; Tryptamin 2 3 dioxygenase; Tryptamin 2; Tryptophan 2 3 dioxygenase; Tryptophan 2; Tryptophan oxygenase; Tryptophan pyrrolase; Tryptophanase
  • 種屬：
    Homo sapiens (Human)
  • 蛋白長度：
    Full length
  • 表達區域：
    1-406aa
  • 氨基酸序列
    MSGCPFLGNNFGYTFKKLPVEGSEEDKSQTGVNRASKGGLIYGNYLHLEKVLNAQELQSETKGNKIHDEHLFIITHQAYELWFKQILWELDSVREIFQNGHVRDERNMLKVVSRMHRVSVILKLLVQQFSILETMTALDFNDFREYLSPASGFQSLQFRLLENKIGVLQNMRVPYNRRHYRDNFKGEENELLLKSEQEKTLLELVEAWLERTPGLEPHGFNFWGKLEKNITRGLEEEFIRIQAKEESEEKEEQVAEFQKQKEVLLSLFDEKRHEHLLSKGERRLSYRALQGALMIYFYREEPRFQVPFQLLTSLMDIDSLMTKWRYNHVCMVHRMLGSKAGTGGSSGYHYLRSTVSDRYKVFVDLFNLSTYLIPRHWIPKMNPTIHKFLYTAEYCDSSYFSSDESD
  • 蛋白標簽：
    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.
  • 產品提供形式：
    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.
  • 復溶：
    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.
  • 儲存條件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保質期：
    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.
  • 貨期：
    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.
  • 注意事項：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
  • Datasheet ：
    Please contact us to get it.

產品評價

靶點詳情

  • 功能：
    Heme-dependent dioxygenase that catalyzes the oxidative cleavage of the L-tryptophan (L-Trp) pyrrole ring and converts L-tryptophan to N-formyl-L-kynurenine. Catalyzes the oxidative cleavage of the indole moiety.
  • 基因功能參考文獻：
    1. TDO2 overexpression was related to poor prognosis and associated with cancer cell proliferation and tumor stem cells in esophageal squamous cell carcinoma. PMID: 30134247
    2. Study demonstrated that n-butylidenephthalide (n-BP)functions by regulating the early part of the kynurenine pathway through the downregulation of tryptophan 2, 3-dioxygenase (TDO2), which decreases the downstream neurotoxic product, quinolinic acid (QA). Findings indicate a correlation between n-BP, TDO2, QA, calpain, and toxic fragment formation. PMID: 28223212
    3. the potent antimicrobial as well as immunoregulatory effects of TDO were substantially impaired under hypoxic conditions that pathophysiologically occur in vivo. This might be detrimental for the appropriate host immune response towards relevant pathogens. PMID: 27563172
    4. High TDO2 expression is associated with Colorectal Cancer. PMID: 27578919
    5. Crystal tryptophan 2,3-dioxygenase structure revealed eight residues playing critical roles in L-tryptophan oxidation. PMID: 25066423
    6. IL-1beta is suggested to stimulate tryptophan catabolism and production of IL-6 and IL-8 by increasing TDO expression in endometriosis. PMID: 24974860
    7. Identification of 12 polymorphisms in the human TDO2 promoter region, 2 of them corresponding to previously unknown single-nucleotide polymorphisms and 3 of them located in putative glucocorticoid-responsive elements. PMID: 23558111
    8. TDO is highly expressed in the brains of Alzheimer disease patients. PMID: 23630570
    9. Data suggest that T342 in hTDO has critical role in controlling substrate binding, substrate stereoselectivity, H-bonding interaction between enzyme and intermediates, and regulating the dynamics of protein structure. PMID: 22082147
    10. The data suggest that TDO uses a ring-opening mechanism during N-formylkynurenine formation, rather than Criegee or dioxetane mechanisms as previously proposed. PMID: 21892828
    11. Studies indicate that the heme dioxygenases are differentiated by their ability to catalyze the oxidation of l-tryptophan to N-formylkynurenine. PMID: 21361337
    12. subtle differences between the TDO and IDO reactions PMID: 20361220
    13. The activity and mRNA expression level of indoleamine 2,3-dioxygenase in term placentas were significantly lower in preeclampsia. Could cause dysregulation of inflammatory response intrinsic to normal pregnancy. PMID: 12634647
    14. Polymorphism of tryptophan 2,3 dioxygenase gene is associated with autism. PMID: 14755447
    15. We found that astrocytes, neurons, and microglia expressed IDO but only microglia were able to produce detectable amounts of quinolinic acid. However, astrocytes and neurons had the ability to catabolize quinolinic acid. PMID: 15390107
    16. significant mechanistic differences exist across the heme dioxygenase family, and the data are discussed within this broader framework PMID: 18370401
    17. The tyrosine 42 of recombinant human TDO is responsible for the cooperative binding of l-Trp by participating in the active site of the adjacent subunit. PMID: 19218188
    18. TDO mediates antimicrobial and immunoregulatory effects. TDO-dependent inhibition of T-cell growth might be involved in the immunotolerance observed in vivo during allogeneic liver transplantation. PMID: 19637229

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  • 蛋白家族：
    Tryptophan 2,3-dioxygenase family
  • 數據庫鏈接：

    HGNC: 11708

    OMIM: 191070

    KEGG: hsa:6999

    STRING: 9606.ENSP00000444788

    UniGene: Hs.183671



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