Mass labels
    2.
    发明申请
    Mass labels 有权
    批量标签

    公开(公告)号:US20050048489A1

    公开(公告)日:2005-03-03

    申请号:US10489341

    申请日:2002-09-16

    摘要: Provided is a set of two or more mass labels, each label in the set comprising a mass marker moiety attached via a cleavable linker having at least one amide bond to a mass normalisation moiety, wherein the aggregate mass of each label in the set may be the same or different and the mass of the mass marker moiety of each label in the set may be the same or different, and wherein in any group of labels within the set having a mass marker moiety of a common mass each label has an aggregate mass different from all other labels in that group, and wherein in any group of labels within the set having a common aggregate mass each label has a mass marker moiety having a mass different from that of all other mass marker moieties in that group, such that all of the mass labels in the set are distinguishable from each other by mass spectromety, and wherein the mass marker moiety comprises an amino acid and the mass normalisation moiety comprises an amino acid.

    摘要翻译: 提供了一组两个或更多个质量标签,该组中的每个标签包含通过具有至少一个酰胺键与质量标准化部分连接的质量标记部分,其中该组中每个标签的总质量可以是 相同或不同,组中每个标记物的质量标记物部分的质量可以相同或不同,并且其中在具有共同质量的质量标记物部分的组中的任何标签组中,每个标签具有总体质量 不同于该组中的所有其它标记,并且其中在组中具有共同聚集体的任何标签组中,每个标记具有与该组中所有其他质量标记部分的质量不同的质量标记部分,使得全部 组中的质量标记物通过质谱可以彼此区分,并且其中质量标记物部分包含氨基酸,质量标准化部分包含氨基酸。

    Method for characterizing polypeptides
    3.
    发明授权
    Method for characterizing polypeptides 失效
    表征多肽的方法

    公开(公告)号:US07163803B2

    公开(公告)日:2007-01-16

    申请号:US10479843

    申请日:2002-06-07

    IPC分类号: C12Q1/37

    摘要: Provided is a method for characterizing a polypeptide, which method comprises the steps of: (a) optionally reducing cysteine disulphide bridges in the polypeptide to form free thiols, and capping the free thiols; (b) cleaving the polypeptide with a sequence specific cleavage reagent to form peptide fragments; (c) optionally deactivating the cleavage reagent; (d) capping one or more ε-amino groups that are present with a lysine reactive agent; (e) analyzing peptide fragments by mass spectrometry to form a mass fingerprint for the polypeptide; and (f) determining the identity of the polypeptide from the mass fingerprint.

    摘要翻译: 提供了表征多肽的方法,该方法包括以下步骤:(a)任选地减少多肽中的半胱氨酸二硫键形成游离硫醇,并封端游离硫醇; (b)用序列特异性切割试剂切割多肽以形成肽片段; (c)任选地使切割试剂失活; (d)封端与赖氨酸反应剂一起存在的一个或多个ε-氨基; (e)通过质谱分析肽片段以形成多肽的质量指纹图谱; 和(f)从质量指纹图谱确定多肽的身份。

    Method for characterizing polypeptides
    4.
    发明申请
    Method for characterizing polypeptides 失效
    表征多肽的方法

    公开(公告)号:US20050095661A1

    公开(公告)日:2005-05-05

    申请号:US10479843

    申请日:2002-06-07

    摘要: Provided is a method for characterising a polypeptide, which method comprises the steps of; (a) optionnally reducing cysteine disulphide bridges in the polypeptide to form free thiols, and capping the free thiols; (b) cleaving the polypeptide with a sequence specific cleavage reagent to form peptide fragments; (c) optionally deactivating the cleavage reagent; (d) capping one or more ε-amino groups that are present with a lysine reactive agent; (e) analysing peptide fragments by mass spectrometry to form a mass fingerprint for the polypeptide; and (f) determining the identity of the polypeptide from the mass fingerprint.

    摘要翻译: 提供一种表征多肽的方法,该方法包括以下步骤: (a)选择性地减少多肽中的半胱氨酸二硫桥以形成游离的硫醇,并且封端游离的硫醇; (b)用序列特异性切割试剂切割多肽以形成肽片段; (c)任选地使切割试剂失活; (d)封端与赖氨酸反应剂一起存在的一个或多个ε-氨基; (e)通过质谱分析肽片段以形成多肽的质量指纹图谱; 和(f)从质量指纹图谱确定多肽的身份。

    Mass labels
    6.
    发明授权
    Mass labels 有权
    批量标签

    公开(公告)号:US07732378B2

    公开(公告)日:2010-06-08

    申请号:US10489341

    申请日:2002-09-16

    IPC分类号: C40B40/00

    摘要: Provided is a set of two or more mass labels, each label in the set comprising a mass marker moiety attached via a cleavable linker having at least one amide bond to a mass normalization moiety, wherein the aggregate mass of each label in the set may be the same or different and the mass of the mass marker moiety of each label in the set may be the same or different, and wherein in any group of labels within the set having a mass marker moiety of a common mass each label has an aggregate mass different from all other labels in that group, and wherein in any group of labels within the set having a common aggregate mass each label has a mass marker moiety having a mass different from that of all other mass marker moieties in that group, such that all of the mass labels in the set are distinguishable from each other by mass spectrometry, and wherein the mass marker moiety comprises an amino acid and the mass normalization moiety comprises an amino acid.

    摘要翻译: 提供了一组两个或更多个质量标签,该组中的每个标签包含通过具有至少一个酰胺键与质量标准化部分连接的质量标记部分,其中该组中每个标签的总质量可以是 相同或不同,组中每个标记物的质量标记物部分的质量可以相同或不同,并且其中在具有共同质量的质量标记物部分的组中的任何标签组中,每个标签具有总体质量 不同于该组中的所有其它标记,并且其中在组中具有共同聚集体的任何标签组中,每个标记具有与该组中所有其他质量标记部分的质量不同的质量标记部分,使得全部 组中的质量标记物通过质谱法彼此区分,并且其中质量标记物部分包含氨基酸,质量标准化部分包含氨基酸。

    Method for charcterising analytes
    7.
    发明授权
    Method for charcterising analytes 失效
    分析物识别方法

    公开(公告)号:US07700306B2

    公开(公告)日:2010-04-20

    申请号:US10510246

    申请日:2003-04-04

    IPC分类号: G01N33/00

    摘要: Provided is a method for characterizing an analyte by matrix assisted laser desorption ionization (MALDI) mass spectrometry, which method comprises: (a) labelling the analyte with a light-absorbing label that absorbs light at a pre-determined frequency, to form a labelled analyte; (b) embedding the labelled analyte in a matrix formed from at least one compound that absorbs light, to form an embedded labelled analyte; (c) desorbing the embedded labelled analyte by exposing it to light having the pre-determined frequency, to form a desorbed analyte; and (d) detecting the desorbed analyte by mass spectrometry to characterize the analyte.

    摘要翻译: 本发明提供了一种通过基质辅助激光解吸电离(MALDI)质谱法分析分析物的方法,该方法包括:(a)用预吸收光量的光吸收标记标记分析物,以形成标记的 分析物; (b)将标记的分析物包埋在由吸收光的至少一种化合物形成的基质中,以形成嵌入的标记分析物; (c)通过将嵌入的标记分析物暴露于具有预定频率的光来解吸,形成解吸附的分析物; 和(d)通过质谱检测解吸附的分析物来表征分析物。

    Characterising polypeptides
    9.
    发明申请
    Characterising polypeptides 审中-公开
    表征多肽

    公开(公告)号:US20050042713A1

    公开(公告)日:2005-02-24

    申请号:US10479868

    申请日:2002-06-07

    摘要: Provided is a method for characterising a polypeptide or a population of polypeptides, which method comprises the steps of: (a) optionally reducing disulphide linkages in the polypeptides, if they are present and capping free thiols in the polypeptides, if they are present; (b) contacting a sample comprising one or more polypeptides with a cleavage reagent which cleaves one or more polypeptides on the C-terminal side of a lysine residue to produce peptide fragments; (c) optionally deactivating the cleavage reagent; (d) contacting the sample with a lysine reactive agent to cap ε-amino groups; (e) removing those peptides having capped ε-amino groups; and (f) recovering the C-terminal peptides.

    摘要翻译: 提供了表征多肽或多肽群体的方法,该方法包括以下步骤:(a)如果它们存在,任选地还原多肽中的二硫键,如果它们存在则任选地还原多肽中的无帽硫醇; (b)使包含一种或多种多肽的样品与裂解试剂接触,所述切割试剂在赖氨酸残基的C末端侧切割一个或多个多肽以产生肽片段; (c)任选地使切割试剂失活; (d)使样品与赖氨酸反应剂接触以将ε-氨基封端; (e)去除具有封端的ε-氨基的那些肽; 和(f)回收C末端肽。

    Mass Labels
    10.
    发明申请
    Mass Labels 有权
    批量标签

    公开(公告)号:US20100178710A1

    公开(公告)日:2010-07-15

    申请号:US11996910

    申请日:2006-07-26

    摘要: A mass label for labelling and detecting a biological molecule by mass spectroscopy, which label comprises the following structure: X-L-M wherein X is a mass marker moiety comprising the following group: formula (I), wherein the cyclic unit is aromatic or aliphatic and comprises from 0-3 double bonds independently between any two adjacent atoms; each Z is independently N, N(R1), C(R1), CO, CO(R1), C(R1)2, O or S; X is N, C or C(R1); each R1 is independently H, a substituted or unsubstituted straight or branched C1-C6 alkyl group, a substituted or unsubstituted aliphatic cyclic group, a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group; and y is an integer from 0-10, L is a cleavable linker comprising an amide bond and M is a mass normalization moiety.

    摘要翻译: 用于通过质谱法标记和检测生物分子的质量标签,该标签包含以下结构:XLM,其中X是包含以下基团的质量标记物部分:式(I),其中所述环状单元是芳族或脂族的,并且包含 0-3双键独立地在任意两个相邻的原子之间; 每个Z独立地为N,N(R1),C(R1),CO,CO(R1),C(R1)2,O或S; X为N,C或C(R1); 每个R 1独立地为H,取代或未取代的直链或支链C 1 -C 6烷基,取代或未取代的脂族环基,取代或未取代的芳基或取代或未取代的杂环基; y是0-10的整数,L是包含酰胺键的可切割连接物,M是质量归一化部分。