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公开(公告)号:US20130109578A1
公开(公告)日:2013-05-02
申请号:US13386333
申请日:2009-07-22
申请人: James R. Heath , Su Seong Lee , Jaehong Lim , Junhoe Cha , Sylvia Tan , Shi Yun Yeo
发明人: James R. Heath , Su Seong Lee , Jaehong Lim , Junhoe Cha , Sylvia Tan , Shi Yun Yeo
CPC分类号: G01N33/6848 , C07B2200/11 , C07K1/047 , C07K1/13 , C07K7/06 , C40B50/16 , G01N33/6812 , G01N33/6818
摘要: Techniques for differentiating isobaric species are described. An isobaric species may be substituted with a tagging species identified using mass spectrometry. The isobaric species may be a subunit of a first polymer having a defined sequence, e.g., the isobaric species may be an amino acid in a protein or a peptide sequence. A tagging species may be substituted for the isobaric species in a second polymer having an otherwise identical sequence as the first polymer. The second polymer may have the same number of sequences as the first polymer, and substantially the same sequence of subunits, with a few exceptions such as the tagging species for the isobaric species. The first polymer and the second polymer may be prepared in the same reaction vessel. A polymer/protein of defined subunit sequence containing an isobaric species or a tagging species may be analyzed by mass spectrometry to determine the sequence.
摘要翻译: 描述了用于区分等压物种的技术。 同量异位物质可以用用质谱鉴定的标记物种代替。 等压异构物可以是具有确定的序列的第一聚合物的亚单位,例如,同量异位物质可以是蛋白质或肽序列中的氨基酸。 在具有与第一聚合物相同的序列的第二聚合物中,标记物质可以代替同量异位物质。 第二聚合物可以具有与第一聚合物相同数量的序列,以及基本上相同的亚基序列,只有少数例外,例如同量异序物种的标记物种。 第一聚合物和第二聚合物可以在相同的反应容器中制备。 可以通过质谱分析含有等压物种或标记物质的限定亚单位序列的聚合物/蛋白质来确定序列。
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公开(公告)号:US20120122711A1
公开(公告)日:2012-05-17
申请号:US13384510
申请日:2010-07-15
申请人: James R. Heath , Su Seong Lee , Jaehong Lim , Junhoe Cha , Sylvia Tan , Shi Yun Yeo , Yi Li Ang , Yiran Zhang
发明人: James R. Heath , Su Seong Lee , Jaehong Lim , Junhoe Cha , Sylvia Tan , Shi Yun Yeo , Yi Li Ang , Yiran Zhang
CPC分类号: G01N33/6845
摘要: Described herein are inventive compositions and methods relating to sampling of biopolymers and, in particular, to fractional sampling of biopolymers. In one aspect, embodiments are generally related to unique biopolymer species where a fraction of each biopolymer species contains a cleavable linker. The biopolymer species may, in some embodiments, be attached to a surface. For example, the biopolymer species may be attached to beads. In some embodiments, a portion of a unique biopolymer species may be sampled by cleaving the cleavable linker. In some cases, the sample may be analyzed to determine the sequence of the biopolymer.
摘要翻译: 本文描述了与生物聚合物的取样有关的本发明组合物和方法,特别是生物聚合物的分数取样。 在一个方面,实施方案通常涉及独特的生物聚合物种类,其中每个生物聚合物种类的一部分含有可切割的连接体。 在一些实施方案中,生物聚合物物质可附着于表面。 例如,生物聚合物物质可以连接到珠粒上。 在一些实施方案中,可以通过切割可切割接头来采样一部分独特的生物聚合物种类。 在一些情况下,可以分析样品以确定生物聚合物的顺序。
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公开(公告)号:US09863956B2
公开(公告)日:2018-01-09
申请号:US13386333
申请日:2009-07-22
申请人: James R. Heath , Su Seong Lee , Jaehong Lim , Junhoe Cha , Sylvia Tan , Shi Yun Yeo
发明人: James R. Heath , Su Seong Lee , Jaehong Lim , Junhoe Cha , Sylvia Tan , Shi Yun Yeo
CPC分类号: G01N33/6848 , C07B2200/11 , C07K1/047 , C07K1/13 , C07K7/06 , C40B50/16 , G01N33/6812 , G01N33/6818
摘要: Techniques for differentiating isobaric species are described. An isobaric species may be substituted with a tagging species identified using mass spectrometry. The isobaric species may be a subunit of a first polymer having a defined sequence, e.g., the isobaric species may be an amino acid in a protein or a peptide sequence. A tagging species may be substituted for the isobaric species in a second polymer having an otherwise identical sequence as the first polymer. The second polymer may have the same number of sequences as the first polymer, and substantially the same sequence of subunits, with a few exceptions such as the tagging species for the isobaric species. The first polymer and the second polymer may be prepared in the same reaction vessel. A polymer/protein of defined subunit sequence containing an isobaric species or a tagging species may be analyzed by mass spectrometry to determine the sequence.
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