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    • 28. 发明申请
    • Affinity markers for human serum albumin
    • 人血清白蛋白的亲和标记
    • US20050037974A1
    • 2005-02-17
    • US10934841
    • 2004-09-02
    • Alexander KrantzWolin HuangArthur HanelDarren HolmesDominique Bridon
    • Alexander KrantzWolin HuangArthur HanelDarren HolmesDominique Bridon
    • A61K38/00A61K47/48A61K49/00C07K14/665A61K38/08C07K7/06
    • A61K49/0021A61K38/00A61K47/62A61K47/6901A61K49/0043A61K49/0056C07K14/665
    • Methods and compositions are provided for identifying compounds having affinity or complementarity to a target molecule. Compounds according to the invention may be described by the formula E-Ca—R—Cb-A, wherein E is a therapeutic or diagnostic agent, R is a reactive group, Ca and Cb are connector groups between E and R and between R and A, respectively, and A is a group having an affinity for human serum albumin, wherein affinity group A comprises a sequence of amino acid residues —O1—O2—X1—X2—B in which the amino acid residues are independently selected from the group of all twenty naturally occurring amino acids. Compounds according to the invention may be used for labeling the target molecule, particularly where the target molecule is naturally found in a complex mixture, such as a physiological fluid, like blood. By affinity labeling in vivo, the lifetime of physiologically active entities can be greatly enhanced by becoming bound to long-lived blood components. The covalently bound entity may also serve as an antagonist or agonist of a particular binding protein or as an enzyme inhibitor.
    • 提供了用于鉴定与靶分子具有亲和力或互补性的化合物的方法和组合物。 根据本发明的化合物可以由式E-Ca-R-Cb-A描述,其中E是治疗或诊断剂,R是反应性基团,Ca和Cb是E和R之间的连接基团,R和 A,A是对人血清白蛋白具有亲和性的基团,其中亲和基团A包含氨基酸残基-O1-O2-X1-X2-B的序列,其中氨基酸残基独立地选自 的二十种天然存在的氨基酸。 根据本发明的化合物可以用于标记靶分子,特别是当目标分子天然存在于复杂混合物如生理液体如血液中时。 通过体内亲和标记,生理活性实体的寿命可以通过与长寿命的血液成分结合而大大增强。 共价结合的实体也可以用作特异性结合蛋白的拮抗剂或激动剂或作为酶抑制剂。
    • 29. 发明授权
    • Affinity labeling libraries with tagged leaving group
    • 具有标记离去基团的亲和标记库
    • US06403324B1
    • 2002-06-11
    • US09042234
    • 1998-03-13
    • Alexander KrantzArthur M. HanelWolin Huang
    • Alexander KrantzArthur M. HanelWolin Huang
    • G01N3353
    • C40B30/04B01J2219/00592G01N33/6845
    • Methods and compositions are provided for identifying compounds having affinity to a target site. The method provides for the affinity group to be a leaving group from a reactive functionality capable of forming a covalent bond to the target site. One can combine the compound comprising the target site with the library, and assay for the resulting composition of the leaving groups. The leaving groups having the highest concentration can be identified as the groups having the binding highest affinity for the target site. The selected compounds may then be used for labeling the target molecule, particularly where the target molecule is naturally found in a complex mixture, such as a physiological fluid, like blood. By affinity labeling in vivo, the lifetime of physiologically active entities can be greatly enhanced by becoming bound to long lived blood components. The covalently bound entity may also serve as an antagonist or agonist of a particular binding proteins or as an enzyme inhibitor.
    • 提供方法和组合物用于鉴定对靶位点具有亲和性的化合物。 该方法提供了亲和基团为能够与靶位点形成共价键的反应性官能团的离去基团。 可以将包含靶位点的化合物与文库结合,并测定所得离去基团的组成。 具有最高浓度的离去基团可以被鉴定为对靶位点具有最高亲和力的结合基团。 然后可以将所选择的化合物用于标记靶分子,特别是当目标分子天然存在于复杂混合物如生理液体如血液中时。 通过体内的亲和标记,通过与长寿命血液成分结合,可以大大提高生理活性物质的寿命。 共价结合的实体还可以用作特异性结合蛋白的拮抗剂或激动剂或作为酶抑制剂。