2 3 bisphosphoglycerate hemoglobin affinity July 8, 2019 16 32 64 128 2 3 bisphosphoglycerate decreases the affinity of hemoglobin for oxygen 2 3 bisphosphoglycerate hemoglobin 2 3 diphosphoglycerate 2 3-bisphosphoglycerate 2 3 bisphosphoglycerate in rbc