to probe the effects of the substrate , glucose , and the cofactor , mg2+ , on the structure of hexokinase ( atp : d-hexose 6-phosphotransferase , ec 2.7.1.1 ) , titrations of the tryptophan fluorescence of yeast hexokinase isozyme p-ii ( b ) were performed .
C0017725
glucose
C0019494
hexose