Myosin binding protein C： Structural abnormalities in familial hypertrophic cardiomyopathy-中国期刊网

摘要 ThemuscleproteinmyosinbindingproteinC(MyBPC)isalargemulti-domainproteinwhoseroleinthesarcomereiscomplexandnotyetfullyunderstood.MutationsinMyBPCarestronglyassociatedwiththeheartdiseasefamilialhypertrophiccardiomyopathy(FHC)andtheseexperimentsofnaturehaveprovidedsomeinsightintotheintricateworkingsofthisproteinintheheart.WhilesomeregionsoftheMyBPCmoleculehavebeenassignedafunctionintheregulationofmusclecontraction,theinteractionofotherregionswithvariouspartsofthemyosinmoleculeandthesarcomericproteins,actinandtitin,remainobscure.Inadditicn,severalintra-domaininteractionsbetweenadjacentMyBPCmoleculeshavebeenidentified.Althoughthebasicstructureofthemolecule(aseriesofimmunoglobulinandfibronectindomains)hasbeenelucidated,theassemblyofMyBPCinthesarcomereisatopicfordebate.ByanalysingtheMyBPCsequencewithrespecttoFHC-causingmutationsitispossibletoidentifyindividualresiduesorregionsofeachdomainthatmaybeimportanteitherforbindingorregulation.Thisreviewlooksatthecurrentliterature,inconcertwithalignmentsandthestructuralmodelsofMyBPC,inanattempttounderstandhowFHCmutationsmayleadtothediseasestate.

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Myosin binding protein C： Structural abnormalities in familial hypertrophic cardiomyopathy

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Myosin binding protein C： Structural abnormalities in familial hypertrophic cardiomyopathy

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