The alpha,alpha-difluorinated phosphonate L-pSer-analogue: an accessible chemical tool for studying kinase-dependent signal transduction.

The alpha,alpha-difluorinated phosphonate L-pSer-analogue: an accessible chemical tool for studying kinase-dependent signal transduction.
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DOI:
10.1016/j.chembiol.2009.08.008
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发表时间:
2009-09-25
影响因子:
--
通讯作者:
Berkowitz DB
Berkowitz DB
中科院分区:
生物1区
文献类型:
--
作者:
Panigrahi K;Eggen M;Maeng JH;Shen Q;Berkowitz DB

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本文综述了磷酸丝氨酸的(α,α-二氟亚甲基)膦酸酯模拟物(pCF 2Ser)及其在激酶介导的信号转导通路研究中的应用,这些通路对药物开发具有重要意义。最通用的模式访问这些化学生物工具进行了讨论,组织的PCF 2-C键的方法。pCF 2-Ser模拟物可以位点特异性地掺入肽(SPPS)和蛋白质(表达的蛋白质连接)中。这种等极性的双阴离子pSer模拟物导致“组成性磷酸化”表型,并且被认为支持依赖于丝氨酸磷酸化的天然蛋白质-蛋白质相互作用。用这种化学生物学方法研究的信号转导途径包括p53肿瘤抑制蛋白活性的调节和褪黑激素的产生。鉴于这些成功,未来是光明的使用这样的“tetrahydropho-amino acid mimics”映射激酶为基础的信号通路。
This overview focuses on the (α,α-difluoromethylene)phosphonate mimic of phosphoserine (pCF2Ser) and its application to the study of kinase-mediated signal transduction – pathways of great interest to drug development. The most versatile modes of access to these chemical biological tools are discussed, organized by method of PCF2-C bond. The pCF2-Ser mimic may be site-specifically incorporated into peptides (SPPS) and proteins (expressed protein ligation). This isopolar, dianionic pSer mimic results in a “constitutive phosphorylation” phenotype, and is seen to support native protein-protein interactions that depend upon serine phosphorylation. Signal transduction pathways studied with this chemical biological approach include the regulation of p53 tumor suppressor protein activity, and of melatonin production. Given these successes, the future is bright for the use of such “teflon phospho-amino acid mimics” to map kinase-based signaling pathways.
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