申请人:——
公开号:US20040072244A1
公开(公告)日:2004-04-15
Probes comprising an immobilised Phosphatidic Acid attached onto a solid support are described, for example, as shown in formula I and V: (a) the linker consists of aryl, heteroaryl, alkyl with possible heteroatoms and/or unsaturations, preferably chains of (CH2)n, with n=8-20, most preferably n=11; (b) the heteroatom X maybe O, S, or most preferably NH; (c) the functional group (FG) is a carbonyl from a carboxylate (thiolo)ester, or, most preferably an amide; (d) the R-substituent carries an aryl, alkyl group, or a combination, preferably R=CmH2m+1, m=8-20, m=16 optimal; (e) the ion M represents any cation, preferably Na+, NH4+; (f) unsaturations are allowed, such as in an arachidonyl side chain and (g) =solid support with attachment to functional group, where: R=aryl, alkyl group, or a combination, preferably R=CmH2m+1, m=8-20, m=16 is optimal. R3 is P(O) (OM)2; R5=H(PI(3)P); R3=H; R4=P(O)(OM)2; R5=H(PI(4)P); R3=H; R4=H; R5=P(O)(OM)2(PI(5)P); R3=P(O)(OM)2; R4=P(O)(OM)2; R5=H(PI(3,4)P2); R3=P(O)(OM)2; R4=H; R5=P(O)(OM)2(PI(3,5)P2); R3=H; R4=P(O)(OM)2; R5P=P(O)(OM)2(PI(4,5)P2); or R3=P(O)(OM)2; R4=P(O)(OM)2; R5=H(O)(OM)2(PI(3,4,5)P3). M=any cation, preferably Na+, NH4+ *Denotes a stereogenic center. More preferably a stereogenic centre with an R absolute configuration. Linker=aryl, heteroaryl, alkyl with possible heteroatoms and/or unsaturations. Preferably chains of (CH2)n with n=8-20, most preferably n=11. X=O, S, or, most preferably NH. FG=Carbonyl from a carboxylate, thiolo(ester), or, most preferably an amide. Unsaturations are allowed, such as in an arachidonyl side chain.=solid support with attachment to functional group. Use of the probes to identify Phosphatidic Acid binding protein or phosphoinositide binding proteins is also described.
描述了一种固定的磷脂酸附着在固体支持物上的探针,例如,如公式I和V所示:(a)连接剂由芳基,杂环芳基,可能带有杂原子和/或不饱和度的烷基组成,优选为(CH2)n的链,其中n=8-20,最优选n=11; (b)杂原子X可能为O,S,或最优选NH; (c)功能性基团(FG)是来自羧酸(巯基)酯的羰基,或者最优选的酰胺; (d)R-取代基携带芳基,烷基或组合物,优选R=CmH2m+1,m=8-20,m=16最佳; (e)离子M代表任何阳离子,优选Na+,NH4+; (f)允许不饱和度,例如在花生四烯酸侧链中; (g)=固体支持物与功能性基团的连接,其中:R=芳基,烷基或组合物,优选R=CmH2m+1,m=8-20,m=16最佳。R3为P(O)(OM)2; R5=H(PI(3)P); R3=H; R4=P(O)(OM)2; R5=H(PI(4)P); R3=H; R4=H; R5=P(O)(OM)2(PI(5)P); R3=P(O)(OM)2; R4=P(O)(OM)2; R5=H(PI(3,4)P2); R3=P(O)(OM)2; R4=H; R5=P(O)(OM)2(PI(3,5)P2); R3=H; R4=P(O)(OM)2; R5P=P(O)(OM)2(PI(4,5)P2); 或R3=P(O)(OM)2; R4=P(O)(OM)2; R5=H(O)(OM)2(PI(3,4,5)P3)。M=任何阳离子,优选Na+,NH4+。*表示立体中心。更优选具有R绝对构型的立体中心。连接剂=芳基,杂环芳基,可能带有杂原子和/或不饱和度的烷基。优选为(CH2)n的链,其中n=8-20,最优选n=11。X=O,S,或最优选NH。FG=来自羧酸,巯基(酯)或最优选的酰胺的羰基。允许不饱和度,例如在花生四烯酸侧链中。=固体支持物与功能性基团的连接。还描述了使用这些探针识别磷脂酸结合蛋白或磷酸肌醇结合蛋白的方法。