Evidence for the Presence of Nucleoside Tetraphosphates in Commercial Triphosphates
Bernardo S. Vanderheiden 1
From the
1 From the Eastern Pennsylvania Psychiatric Institute, Philadelphia, Pennsylvania 19129
Cytidine, inosine, uridine, and thymidine tetraphosphates were isolated by high voltage paper electrophoresis from commercial preparations of the respective triphosphates. The ratio of total to acid-labile phosphate suggests phosphoanhydride bond linkage between the four phosphate groups.
Submitted on February 7, 1966