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The activity of cAMP‐phosphodiesterase 4D7 (PDE4D7) is regulated by protein kinase A‐dependent phosphorylation within its unique N‐terminus

机译:cAMP‐磷酸二酯酶4D7(PDE4D7)的活性受其独特N端蛋白激酶A依赖性磷酸化的调节

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ThecyclicAMPphosphodiesterasestype4(PDE4s)areexpressedinacellspecificmanner,withintracellulartargetingdirectedbyuniqueN‐terminalanchordomains.AlllongformPDE4sarephosphorylatedandactivatedbyPKAphosphorylationwithintheirupstreamconservedregion1(UCR1).Here,weidentifyandcharacteriseanovelPKAsite(serine42)withintheN‐terminalregionofPDE4D7,anisoformwhoseactivityisknowntobeimportantinprostatecancerprogressionandischemicstroke.IncontrasttotheUCR1site,PKAphosphorylationofthePDE4D7N‐terminusappearstooccurconstitutivelyandinhibitsPDE4activitytoallowcAMPsignallingunderbasalconditions...
机译:ThecyclicAMPphosphodiesterasestype4(PDE4s)areexpressedinacellspecificmanner,withintracellulartargetingdirectedbyuniqueN-terminalanchordomains.AlllongformPDE4sarephosphorylatedandactivatedbyPKAphosphorylationwithintheirupstreamconservedregion1(UCR1)。在这里,weidentifyandcharacteriseanovelPKAsite(serine42)withintheN-terminalregionofPDE4D7,anisoformwhoseactivityisknowntobeimportantinprostatecancerprogressionandischemicstroke.IncontrasttotheUCR1site,PKAphosphorylationofthePDE4D7N-terminusappearstooccurconstitutivelyandinhibitsPDE4activitytoallowcAMPsignallingunderbasalconditions ...

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    《FEBS Letters》 |2015年第6期|共6页
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  • 中图分类 分子生物学;
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  • 入库时间 2022-08-18 19:15:09

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