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    • 3. 发明申请
    • ISOLATED PHOSPHOLIPID-PROTEIN PARTICLES
    • 分离的磷脂 - 蛋白质颗粒
    • WO2008106660A2
    • 2008-09-04
    • PCT/US2008/055567
    • 2008-02-29
    • INVITROGEN CORPORATIONKATZEN, FedericoFLETCHER, JuliaKUDLICKI, WieslawBEECHEM, JosephWANG, Lilin
    • KATZEN, FedericoFLETCHER, JuliaKUDLICKI, WieslawBEECHEM, JosephWANG, Lilin
    • C07K14/47C07K1/00C12Q1/68C12P21/06
    • C12P21/02C07K1/02
    • Systems and methods are provided for producing a protein of interest that is typically not amenable to expression in soluble form in in vitro expression systems. In some aspects, the invention provides methods of synthesizing proteins using in vitro protein synthesis systems that include a scaffold protein such as apolipoprotein or an amphipathic alpha helix containing ("AAHC") protein, in which higher yields of soluble protein are produced than in the absence of the scaffold protein. The scaffold proteins may be provided in an in vitro protein synthesis system associated with lipid or not associated with lipid. The scaffold protein may be provided as a protein per se or may be encoded by a nucleic acid template and co-expressed with the protein of interest. The invention also provides compositions and kits for synthesis of proteins in soluble form, in which the compositions and kits include cell extracts for protein expression and isolation.
    • 提供的系统和方法用于产生通常不适于在体外表达系统中以可溶形式表达的目标蛋白质。 在一些方面,本发明提供使用体外蛋白质合成系统合成蛋白质的方法,所述体外蛋白质合成系统包括支架蛋白如载脂蛋白或含有(“AAHC”)蛋白的两亲性α螺旋,其中产生比在 没有支架蛋白。 支架蛋白质可以提供在与脂质相关的体外蛋白质合成系统中或与脂质不相关。 支架蛋白质可以作为蛋白质本身提供,或者可以由核酸模板编码并与感兴趣的蛋白质共表达。 本发明还提供用于合成可溶形式的蛋白质的组合物和试剂盒,其中组合物和试剂盒包括用于蛋白质表达和分离的细胞提取物。
    • 4. 发明申请
    • PRODUCTS AND PROCESSES FOR IN VITRO SYNTHESIS OF BIOMOLECULES
    • 生物分子的体外合成的产物和方法
    • WO2006078821A2
    • 2006-07-27
    • PCT/US2006/001901
    • 2006-01-20
    • INVITROGEN CORPORATIONKATZEN, FedericoKUDLICKI, WieslawFLETCHER, Julia
    • KATZEN, FedericoKUDLICKI, WieslawFLETCHER, Julia
    • C12P21/06
    • C12P19/34C12P21/005
    • Provided herein are products and processes for efficiently synthesizing biomolecules in vitro using cell-free extracts derived from mammalian cells and insect cells. In an embodiment, provided is a process for preparing a cell-free extract from insect cells and mammalian cells that efficiently synthesizes post-translationally modified target proteins (e.g., glycosylated target proteins). In some embodiments, a ribonucleic acid is synthesized in vitro that comprises a cap, a 5' untranslated region comprising an 18S rRNA binding ribonucleotide sequence, and a target ribonucleotide sequence. It has been determined that such ribonucleic acids result in efficient in vitro synthesis of a target protein using cell-free extracts derived from non-rabbit mammalian cells and insect cells.
    • 本文提供了使用来自哺乳动物细胞和昆虫细胞的无细胞提取物在体外有效合成生物分子的产物和方法。 在一个实施方案中,提供了从昆虫细胞和哺乳动物细胞制备无细胞提取物的方法,其有效合成翻译后修饰的靶蛋白(例如糖基化靶蛋白)。 在一些实施方案中,在体外合成核糖核酸,其包含帽,包含18S rRNA结合核糖核苷酸序列的5'非翻译区和靶核糖核苷酸序列。 已经确定,使用来自非兔哺乳动物细胞和昆虫细胞的无细胞提取物,这种核糖核酸导致靶蛋白的有效体外合成。