ARABINOSE ISOMERASES FOR YEAST
    5.
    发明申请
    ARABINOSE ISOMERASES FOR YEAST 审中-公开
    阿拉伯糖异构体酵母

    公开(公告)号:WO2017176875A1

    公开(公告)日:2017-10-12

    申请号:PCT/US2017/026133

    申请日:2017-04-05

    摘要: A group of arabinose isomerases are disclosed that provide effective amounts of activity for use of arabinose in production of ethanol, when expressed in yeast cells expressing the other enzymes of an arabinose utilization pathway. The group of arabinose isomerases represents a clade of a phylogenetic tree, having a distinguishing conserved amino acid sequence motif. Other useful arabinose isomerases are also disclosed.

    摘要翻译: 公开了一组阿拉伯糖异构酶,当在表达阿拉伯糖利用途径的其他酶的酵母细胞中表达时,其提供有效量的用于在生产乙醇中使用阿拉伯糖的活性。 阿拉伯糖异构酶组代表系统发生树的进化枝,具有区别保守的氨基酸序列基序。 还公开了其他有用的阿拉伯糖异构酶。

    PURIFICATION OF FKPA AND USES THEREOF FOR PRODUCING RECOMBINANT POLYPEPTIDES
    10.
    发明申请
    PURIFICATION OF FKPA AND USES THEREOF FOR PRODUCING RECOMBINANT POLYPEPTIDES 审中-公开
    FKPA的纯化及其用于生产重组多糖的用途

    公开(公告)号:WO2017031476A3

    公开(公告)日:2017-04-13

    申请号:PCT/US2016047912

    申请日:2016-08-19

    摘要: The present invention provides methods for producing FKBP-type peptidyl-prolyl cis-trans isomerase (FkpA) polypeptides at very high levels of purity. Also provided are ultrapure FkpA and methods of using same, e.g., for use in immunoassays to show removal of FkpA from biologies produced in bacteria. In addition, the present invention provides methods of purifying polypeptides (e.g., multispecific antibodies) produced in bacteria overexpressing one or more chaperones. The methods include affinity chromatography, mixed-mode chromatography and hydrophobic interaction chromatography. In some aspects, the invention provides compositions of polypeptides (e.g., multispecific antibodies) that are essentially free of product-specific impurities.

    摘要翻译: 本发明提供以非常高的纯度生产FKBP型肽基 - 脯氨酰顺反异构酶(FkpA)多肽的方法。 还提供了超纯FkpA及其使用方法,例如用于免疫测定以显示从细菌中产生的生物制品中除去FkpA。 此外,本发明提供纯化在一种或多种伴侣中过量表达的细菌中产生的多肽(例如,多特异性抗体)的方法。 方法包括亲和层析,混合模式层析和疏水相互作用层析。 在一些方面,本发明提供基本上不含产品特异性杂质的多肽(例如,多特异性抗体)的组合物。