... the stimulation of the cytosolic isoen-zyme observed in spinach and other plants [27]. Thesedata suggest that the purified protein was the chloro-plast isoenzyme, although the level of inhibition ... [3,4]. The crucial residues,Gly105 and Lys124, in the Esc. coli enzyme [45] areconserved in the atypical and previously uncharacter-ized ATP-dependent PFK sequences [3,4,6,39], and theyare ... phosphoenolpyruvate,3-phosphoglycerate, and phosphoglycolate, have beenreported [27–29], and both the chloroplast and the cytosolic enzymes can accept ribonucleoside triphos-phates other than ATP as the phosphoryl...