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    • 93. 发明授权
    • Chemically modified proteins with a carbohydrate moiety
    • 具有碳水化合物部分的化学修饰的蛋白质
    • US06930180B2
    • 2005-08-16
    • US10062970
    • 2002-02-01
    • J. Bryan JonesBenjamin G. Davis
    • J. Bryan JonesBenjamin G. Davis
    • C12N15/09C07K14/00C12N9/54C12N9/96C12Q1/25C12Q1/37C07G3/00
    • B82Y5/00C12N9/54
    • The present invention relates to a chemically modified mutant protein including a cysteine residue substituted for a residue other than cysteine in a precursor protein, the substituted cysteine residue being subsequently modified by reacting the cysteine residue with a glycosylated thiosulfonate. Also, a method of producing the chemically modified mutant protein is provided. The present invention also relates to a glycosylated methanethiosulfonate. Another aspect of the present invention is a method of modifying the functional characteristics of a protein including providing a protein and reacting the protein with a glycosylated methanethiosulfonate reagent under conditions effective to produce a glycoprotein with altered functional characteristics as compared to the protein. In addition, the present invention relates to methods of determining the structure-function relationships of chemically modified mutant proteins.
    • 本发明涉及一种化学修饰的突变蛋白,包括在前体蛋白中取代半胱氨酸以外的残基的半胱氨酸残基,随后通过半胱氨酸残基与糖基化硫代磺酸酯反应来修饰取代的半胱氨酸残基。 此外,提供了一种生产化学修饰的突变蛋白的方法。 本发明还涉及糖基化甲磺酸盐。 本发明的另一方面是一种改变蛋白质的功能特征的方法,包括提供蛋白质并使蛋白质与糖基化甲磺酸盐试剂在与蛋白质相比产生具有改变的功能特征的糖蛋白的条件下反应。 此外,本发明涉及确定化学修饰的突变蛋白的结构 - 功能关系的方法。
    • 99. 发明申请
    • Novel chromophores/fluorophores and methods for using the same
    • 新型发色团/荧光团及其使用方法
    • US20050032085A1
    • 2005-02-10
    • US10757356
    • 2004-01-13
    • Yulii LabasNadezda GurskayaYuriy YanushevichArcady FradkovKonstantin LukyanovSergey LukyanovMikhail Matz
    • Yulii LabasNadezda GurskayaYuriy YanushevichArcady FradkovKonstantin LukyanovSergey LukyanovMikhail Matz
    • A01K67/027C07H21/04C07K14/435C07K16/18C12N1/15C12N1/19C12N1/21C12N5/10C12N15/09C12P21/02C12Q1/25G01N33/58C12Q1/68G01N33/53
    • C07K14/43595
    • Nucleic acid compositions encoding novel chromo/fluoroproteins and mutants thereof, as well as the proteins encoded the same, are provided. The proteins of interest are proteins that are colored and/or fluorescent, where this feature arises from the interaction of two or more residues of the protein. The subject proteins are further characterized in that they are either obtained from non-bioluminescent Cnidarian, e.g., Anthozoan, species or are obtained from Anthozoan non-Pennatulacean (sea pen) species. Specific proteins of interest include the following specific proteins: hcriGFP; dendGFP; zoanRFP; scubGFP1; scubGFP2; rfloRFP; rfloGFP; mcavRFP; mcavGFP; cgigGFP; afraGFP; rfloGFP2; mcavGFP2; and mannFP. Also of interest are proteins that are substantially similar to, or mutants of, the above specific proteins. Also provided are fragments of the nucleic acids and the peptides encoded thereby, as well as antibodies to the subject proteins and transgenic cells and organisms. The subject protein and nucleic acid compositions find use in a variety of different applications. Finally, kits for use in such applications, e.g., that include the subject nucleic acid compositions, are provided.
    • 提供了编码新色氨酸/荧光素蛋白及其突变体的核酸组合物,以及编码它们的蛋白质。 感兴趣的蛋白质是着色和/或荧光的蛋白质,其特征来自蛋白质的两个或多个残基的相互作用。 主题蛋白的进一步特征在于它们是从非生物发光的Cnidarian(例如Anthozoan)物种获得的,或者获自Anthozoan non-Pennatulacean(海笔)物种。 感兴趣的特异性蛋白质包括以下特异性蛋白质:hcriGFP; dendGFP; 动物园 scubGFP1; scubGFP2; rfloRFP; rfloGFP; mcavRFP; mcavGFP; cgigGFP; afGGFP; rfloGFP2; mcavGFP2; 和甘草苷。 还感兴趣的是与上述特定蛋白质基本相似或突变的蛋白质。 还提供了核酸的片段和由其编码的肽,以及针对受试者蛋白质和转基因细胞和生物体的抗体。 主题蛋白质和核酸组合物可用于各种不同的应用。 最后,提供了用于此类应用的试剂盒,例如包括本发明的核酸组合物。