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  4. Recombinant Saccharomyces cerevisiae Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 3 (OST3)

Recombinant Saccharomyces cerevisiae Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 3 (OST3)

  • 中文名称：
    酿酒酵母OST3重组蛋白
  • 货号：
    CSB-CF343735SVG
  • 规格：
  • 来源：
    in vitro E.coli expression system
  • 其他：

产品详情

  • 基因名：
    OST3
  • Uniprot No.：
    P48439
  • 别名：
    OST3; YOR085W; YOR3124W; Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 3; Oligosaccharyl transferase 34 kDa subunit; Oligosaccharyl transferase subunit OST3; Oligosaccharyl transferase subunit gamma
  • 种属：
    Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
  • 蛋白长度：
    Full Length of Mature Protein
  • 表达区域：
    23-350
  • 氨基酸序列
    MSSNRLLKLANKSPKKIIPLKDSSFENILAPPHENAYIVALFTATAPEIGCSLCLELESE YDTIVASWFDDHPDAKSSNSDTSIFFTKVNLEDPSKTIPKAFQFFQLNNVPRLFIFKPNS PSILDHSVISISTDTGSERMKQIIQAIKQFSQVNDFSLHLPMDWTPIITSTIITFITVLL FKKQSKLMFSIISSRIIWATLSTFFIICMISAYMFNQIRNTQLAGVGPKGEVMYFLPNEF QHQFAIETQVMVLIYGTLAALVVVLVKGIQFLRSHLYPETKKAYFIDAILASFCALFIYV FFAALTTVFTIKSPAYPFPLLRLSAPFK
    Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request.
  • 蛋白标签：
    N-terminal 10xHis-tagged
  • 产品提供形式：
    Liquid or 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.
  • 缓冲液：
    Lyophilized from Tris/PBS-based buffer, 6% Trehalose, pH 8.0
  • 储存条件：
    Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
  • 保质期：
    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.
  • 货期：
    Basically, we can dispatch the products out in 1-3 working days after receiving your orders. 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.
  • 注意事项：
    Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
  • Datasheet & COA：
    Please contact us to get it.

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OST3 Proteins

靶点详情

  • 功能：
    Subunit of the oligosaccharyl transferase (OST) complex that catalyzes the initial transfer of a defined glycan (Glc(3)Man(9)GlcNAc(2) in eukaryotes) from the lipid carrier dolichol-pyrophosphate to an asparagine residue within an Asn-X-Ser/Thr consensus motif in nascent polypeptide chains, the first step in protein N-glycosylation. N-glycosylation occurs cotranslationally and the complex associates with the Sec61 complex at the channel-forming translocon complex that mediates protein translocation across the endoplasmic reticulum (ER). All subunits are required for a maximal enzyme activity.
  • 基因功能参考文献：
    1. OST3 and OST6 oligosaccharyltransferase subunits bind polypeptide substrate to locally enhance N-glycosylation. PMID: 25118247
    2. these assays showed that the thioredoxin-like active sites of Ost3p and Ost6p could form transient mixed disulfide bonds with cysteines in a model substrate glycoprotein, consistent with the function of Ost3p and Ost6p in modulating N-glycosylation substrate selection by OTase in vivo. PMID: 23416356
    3. Data support a model of Ost3/6p function in which they transiently bind stretches of nascent polypeptide substrate to inhibit protein folding, thereby increasing glycosylation efficiency at nearby asparagine residues. PMID: 21384453
    4. Ost3p and Ost6p are similar, but do not exist in the same oligosaccharyltransferase complex: Ost3p interacts with Sbh1p, while Ost6p interacts with Sbh2p. PMID: 16096345
    5. OST consists of two isoforms with distinct functions differing only in the presence of the two related Ost3 and Ost6p proteins PMID: 16297388
    6. The paralogues Ost3p and Ost6p were required for efficient glycosylation of distinct defined glycosylation sites. PMID: 18854577
    7. Mutation of the active-site cysteine residues of Ost6p and its paralogue Ost3p affected the glycosylation efficiency of a subset of glycosylation sites. PMID: 19549845

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  • 亚细胞定位：
    Endoplasmic reticulum membrane; Multi-pass membrane protein.
  • 蛋白家族：
    OST3/OST6 family
  • 数据库链接：

    KEGG: sce:YOR085W

    STRING: 4932.YOR085W

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