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    • 6. 发明申请
    • Methods of Predicting Hyp-Glycosylation Sites For Proteins Expressed and Secreted in Plant Cells, and Related Methods and Products
    • 预测植物细胞表达和分泌的蛋白质的低糖基化位点的方法及相关方法和产品
    • US20080242834A1
    • 2008-10-02
    • US11995063
    • 2006-07-10
    • Marcia J. KieliszewskiJianfeng Xu
    • Marcia J. KieliszewskiJianfeng Xu
    • C07K2/00C12P21/00
    • C12N15/8257G16B30/00
    • Proteins with Hyp-glycosylation are more likely to be secreted in plant cells at high levels than those without. Methods are disclosed for the prediction of Pro-hydroxylation and Hyp-glycosylationsites in proteins. Such methods can be used to identify (1) proteins which, without modification, are predisposed to develop Hyp-glycosylation, if expressed in plant cells, and (2) modifications (especially substitution mutations) which increase the propensity of a protein to develop Hyp-glycosylation, with a view to high level or increased secretion. It is also possible to determine empirically whether a particular protein will undergo Hyp-glycosylation suitable for the desired level of secretion in plant cells. Both modified proteins, and methods for the expression and secretion of predisposed and modified proteins, are claimed.
    • 具有低糖基化功能的蛋白质在植物细胞中比不含有高蛋白质的蛋白质更有可能分泌。 公开了用于预测蛋白质中的Pro-羟基化和Hyp-糖基化的方法。 这样的方法可用于鉴定(1)如果在植物细胞中表达,则不经修饰,易于发生Hyp-糖基化的蛋白质,和(2)增加蛋白质发展Hyp的倾向的修饰(特别是取代突变) 糖基化,以达到高水平或增加分泌。 也可以根据经验确定特定蛋白质是否将进行适合植物细胞中所需水平分泌的Hyp糖基化。 要求修饰的蛋白质,以及倾向和修饰的蛋白质的表达和分泌的方法。