3.5.4.5 5 - - 209645 3.5.4.5 5 - identical rates of deamination of cytidine at pH 8 and pH 10 209648 3.5.4.5 5 8 - 209649 3.5.4.5 5.9 7.35 deamination rate 50% higher in phosphate buffers with pH 7.25-8.7 209639 3.5.4.5 6 7.5 - 209644 3.5.4.5 6.5 - - 669137 3.5.4.5 6.5 8.5 - 209652 3.5.4.5 7 - - 209660 3.5.4.5 7.2 - - 209492 3.5.4.5 7.2 - leukemic spleen enzyme 209649