2 3 bpg hemoglobin binding July 8, 2019 16 32 64 128 2 3 bpg and binding to hemoglobin lungs vs exercised muscle How does 2 3 bpg binding to hemoglobin decrease its affinity for oxygen 2 3 bisphosphoglycerate hemoglobin 2 3 bpg hemoglobin 2 3 bpg hämoglobin