D fpeyote Inyouhavetensofthousandsofproteinsthathavediversejobsproteinsaretheworkerbeesofyourbodytheytakepartinnearlyeveryactivityofanorganismproteinspeayaweein whendescribingthestructureofproteinsbiologiststhinkabout4distinctstructuralsupportcartilagetransporthemoglobinhormones eerersofproteinstructure use4ewesareknownasprimarysecondarylinemenimmunity1yourantibodiesmovementLmuscleproteins tertiaryandquaternaryandasenzymesthatkeepthousandsofdifferentchemicalreactionsrunninginsideauaustheshapeorstructureofaproteinisthekeytounderstandinghowitworksjustasshapeisimportanttoatoolsfunction theprimarylevelofproteinstructureissimplythelinearthesameistrueforproteinsEachofthethousandsofdifferent sequenceofaminoacidsthatarestrungtogethertomakeonekindsofproteinsinyourbodyhasitsownuniqueshape proteinchaineveryproteinhasauniqueaminoacidsequenceahugevaryingofproteinscanbeconstructedfromsodifferentacommoncarbonbackboneisfoundinanaminoacidsthiscommon aminoacidsaminoacidshavecementpropertiesthepropertiesbackbonepermitsaminoacidstobelinkedtogetherineongchainsthechain ofanindividualaminoacideayinitssidechainmatbranchesofaminoacidsfoldsandtwiststoformacomplexthreedimensional offofthecarbonbackbone thesidechaincanalsobecakedshapetheserapeeventuallytakenbyachainofaminoacidsisdirectis the EgrouponradicalgrouptiedtothesidegroupsthatpotrudefromtheaminoacidchainifoneaminoacidisoutoforderitcanmaketheentireproteinnonfunctioninghoweversomeaminoacidscanbesubstitutedforotherswoalteringthefunctionofaproteinIforexample ifyouchangeonewordinthewordship itcanproduce adifferentwdifferentmeinings iftheaminoacidsequenceischangedmostchangesresultindetectiveproteinsbutsomedonottheprimarystructureofaproteinissimplythelistofaminoacidsintheirproperorderifyoulookatmanyproteinsyouwinsimilaritynoticecertaincommonstructuralelements analphahelixandabetasheet analphahelixis aregionofaproteinthatistwistedintoa tightspiralthecoilsofthehelixareheldtogetherbyhydrogenbondsbetweennearbyaminoacidsotherregionsofaproteinfolduplikeapaperfantenstypeofstructureisreferredtoas abetasheet ealphahelicesandthebetasheetstogethercomprisethesecondarystructureofaprotein