at a low glucose concentration ( 3.3 mmol/l ) , when the participation of glucokinase to hexose phosphorylation is minimal , alpha-d-glucose is still better metabolized and stimulates both 45ca net uptake and insulin release more efficiently than beta-d-glucose , despite the fact that hexokinase yields a higher reaction velocity with beta- than alpha-d-glucose .
C0031715
phosphorylation
C0019472
hexokinase