diphosphopyridine nucleotide and its reduced form; glucose-1-P, glucose-i-phosphate; P@,orthophosphate; ATP, adenosine tn phosphate; ADP, adenosine diphosphate; AMP, adenosine mono phosphate; TPN, triphosphopynidine nucleotide; P-eno!pynuvate, phosphorylenolpyruvate. Received for publication December 14, 1964. and pyridine nucleotides and inorganic phosphate play a role in these processes (10â€...