常规氨基酸空间结构

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1、AminoAcidsAminoacidAbbreviationsStructuralFormula3D-representationGlycineGly(G)■+NH,H-GH-CCf■AlanineAla(A)+CI^-CH-OC^eaValineVal(V)+NHgE9LeucineLeu(L)+(CHJjCHCHa-CH-CO^HIsoleucine"e(1)+CH,N^CI^CHjCH-CH-C^■MethionineMet(M)+CH^SCHaCH^-CH-CC^ProlineAminoacidswithpolarsi

2、dechains.Thesearesidechainscanbeinvolvedinhydrogenbondinginteractions.Cysteineisimportantbecauseofitsabilitytoformdisulfidebonds.AminoacidAbbreviationsStructuralFormula3D-representationAsparagineAsn(N)oGlutamineGin(Q)0NHaH^CCHaCHa-CHAminoacidswithacidicsidechains.The

3、secarboxylategroupwillbe-veatphysiologicalpH.AminoacidAbbreviationsStructuralFormula3D-representationAsparticacidAsp(D)+OMH,iil-0-CCHt-CH—CQ,■GlutamicacidGlu(E)+O一OCCH,CI^-CH-C<^■Aminoacidswithbasicsidechains.Ofteninvolvedattheactivesitesofenzymes,inhydrogenbondingin

4、teractionsandinacid/basetypereactivity(e.g.histidine)