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    • 118. 发明授权
    • Universal spacer/energy transfer dyes
    • 通用间隔/能量转移染料
    • US5728528A
    • 1998-03-17
    • US531132
    • 1995-09-20
    • Richard A. MathiesAlexander N. GlazerJingyue Ju
    • Richard A. MathiesAlexander N. GlazerJingyue Ju
    • C12N15/09C07H21/00C12Q1/68C07H21/02C07H21/04C12P19/34
    • C07H21/00C12Q1/6818Y10S435/81
    • Fluorescent labels are provided employing energy absorber/donor components and energy acceptor/fluorescer components joined together by a spacer which comprises sugar phosphate monomeric units, particularly ribosyl phosphate monomeric units, where the sugar groups are free of active hydroxyl groups. Particularly, an energy transfer component is substituted at the 5' position of the spacer chain, while the other energy transfer component is substituted at the 1' position of the 3' terminal ribosyl group of the label forming an ET cassette for linking to a nucleic acid sequence with any compositions. By employing combinations of ET components, with a common energy absorber/donor and different fluorescers, one can provide for families of labels which can be tagged to any target molecules and which can be excited at a single wavelength and fluoresce at different wavelengths with large Stokes shifts. The compositions find particular application in sequencing.
    • 提供使用能量吸收剂/供体组分和能量受体/荧光剂组分的荧光标记,其通过间隔物连接在一起,所述间隔物包含糖磷酸酯单体单元,特别是磷酸核糖基单体单元,其中糖基团不含活性羟基。 特别地,能量转移组分在间隔链的5'位被取代,而另一能量转移组分在形成用于连接到核酸的ET盒的标记的3'端核糖基的1'位置被取代 酸序列与任何组合物。 通过使用ET组分与共同的能量吸收剂/供体和不同的荧光剂的组合,可以提供可以标记任何靶分子的标记系列,并且可以在单个波长处被激发并且在具有大的Stokes的不同波长下发出荧光 转变。 该组合物在测序中发现具体应用。