“…We did a lot of biochemical studies in the 1950s and 1960s, including further studies on HDN. [39][40][41][42][43][44][45][46][47][48][49][50] One of my associates, Sam Morell, was an expert on adenosine triphosphate (ATP) and had experience isolating nucleotides and coenzymes. I was very interested to learn why there was so much 2,3-diphosphoglycerate acid (2,3-DPG) in the RBC.…”