首页> 外文期刊>Cellular Signalling >Isolation, expression and analysis of splice variants of a human Ca2+/calmodulin-stimulated phosphodiesterase (PDE1A).
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Isolation, expression and analysis of splice variants of a human Ca2+/calmodulin-stimulated phosphodiesterase (PDE1A).

机译:人Ca2 + /钙调蛋白刺激的磷酸二酯酶(PDE1A)剪接变体的分离,表达和分析。

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摘要

The PDE1A gene encodes a Ca2+/calmodulin-stimulated 3',5'-cyclic nucleotide phosphodiesterase (PDE). We have performed 5' and 3' RACE and identified two additional 5'-splice variants and one additional 3'-splice variant of the human PDE1A gene. The three known 5'-splice variants and the two known 3'-splice variants combine to generate six different PDE1A mRNAs. However, one of the 5'-splice variants exhibits alternate splicing in the 5' untranslated region. Thus the six mRNAs encode four different PDE1A proteins. Recombinant forms of the different human PDE1A isoforms were expressed in Sf9 cells. The kinetic properties and inhibitor sensitivities of the four PDE1A isoforms are very similar to one another.
机译:PDE1A基因编码一个Ca2 + /钙调蛋白刺激的3',5'-环核苷酸磷酸二酯酶(PDE)。我们已经进行了5'和3'RACE,并鉴定了人PDE1A基因的两个另外的5'剪接变体和一个另外的3'剪接变体。三种已知的5'-剪接变体和两种已知的3'-剪接变体结合产生六个不同的PDE1A mRNA。然而,5'-剪接变体之一在5'非翻译区中展现出交替的剪接。因此,六个mRNA编码四个不同的PDE1A蛋白。在Sf9细胞中表达了不同的人PDE1A亚型的重组形式。四种PDE1A亚型的动力学性质和抑制剂敏感性彼此非常相似。

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