<prompt> Yakha inguqulo eyinkimbinkimbi yalesi sigwebo I-Glycerate 3 - phosphate GP noma i-3 - phosphoglycerate PG 3.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi I-Glycerate 3 - phosphate GP noma i-3 - phosphoglycerate i-3PG iyinhlanganisela yezinhlayiya ze-3 - carbon eziphakathi nendawo ye-metabolic kokubili i-glycolysis kanye nomjikelezo kaCalvin. 