... cytosine were 12.2 and 6.2 min, 10.5 and 4.7 min,15.2 and 6.1 min, 6.8 and 4.2 min and 6.6 and 3.9 minrespectively. The amount of purine or pyrimidine baseformed is determined by integrating the ... mixture of 95% methanol and 0.1% trifluoroacetic acid in H2O. The retention times of adenosine and adenine, inosine and hyp-oxantine, guanosine and guanine, uridine and uracil, cyti-dine and cytosine ... [48].Docking of ribose and Ca2+into the binding site of SsCU-NH was performed using, as a starting reference, the position of the sugar and of the metal in the crystallo-graphic template 1YOE. The...