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1980 (1)
1Author    KlausJ N Eurohr, HenryH. MantschRequires cookie*
 Title    Complex Formation of Carnosine with Purine Nucleotides in Aqueous Solution  
 Abstract    This ^ -N M R study provides experimental evidence for an intermolecular interaction between the dipeptide carnosine (yS-alanyl-L-histidine) and the purine nucleoside 5'-m onophosphates 5'-AM P, 5'-IMP and 5'-GM P. From the observed upfield shifts o f the purine nucleotide and im idazole proton resonances it is concluded that the interaction is o f the stacking type and that it involves the purine base o f the nucleotide and the histidine m oiety o f carnosine. Apparent microscopic equilibrium constants and com plex shifts are obtained with a m icroscopic m odel, which considers the formation o f both 1:1 and 1 :2 complexes. The stacking pattern for com plex formation between the histidine m oiety o f carnosine and the adenine m oiety o f 5'-AM P is con­ structed by fitting the experimental 5'-AM P com plex for histidine. 
  Reference    Z. Naturforsch. 35c, 557 (1980); received D ecem ber 10 1979 
  Published    1980 
  Keywords    Carnosine, Purine N ucleotides, Proton N M R, Base Stacking, Equilibrium Constants 
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 TEI-XML for    default:Reihe_C/35/ZNC-1980-35c-0557.pdf 
 Identifier    ZNC-1980-35c-0557 
 Volume    35