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'Prebiological Evolution' in keywords Facet   section ZfN Section B  [X]
Facet   Publication Year 1980  [X]
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1980[X]
1Author    Oemer Saygin, Peter DeckerRequires cookie*
 Title    Nonenzymatic Catalysis by Metal Ions and Phosphoric Acid Esters of Hydroxamic Acid Formation*  
 Abstract    Nonenzymatic catalysis by bivalent ions of Be, Mg, Ca, Zn, Mn, Ni and Co and bio-organic phosphates of the formation of hydroxamic acids from acetate or amino acids has been studied systematically. Increased yields of hydroxamate were observed at particular combinations of reactants. The most prominent increase (ca. 15-fold) was found with acetate and Ni++, and with a combination of ATP and Be++. Among others especially ribose-5-phosphate and glucose-5-phosphate enhanced yields in the presence of most metal ions. Since no release of inorganic phosphate was observed, this effect cannot be interpreted as an evidence for intermediate transhosphorylation reactions; it may also result from simple catalytic effects of metal sugar complexes. 
  Reference    Z. Naturforsch. 35b, 727—730 (1980); received February 7 1980 
  Published    1980 
  Keywords    Prebiological Evolution, Bioids, Transphosphorylation, Hydroxylamine, Acylate Activation 
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 TEI-XML for    default:Reihe_B/35/ZNB-1980-35b-0727.pdf 
 Identifier    ZNB-1980-35b-0727 
 Volume    35