the soluble enzyme has a ph optimum of 5.5 , km of 12 millimolar , and a vmax of 80 micromole per minute per milligram of protein compared with cell wall isozyme which has a ph optimum of 4.5 , km of millimolar , and a vmax of 9 micromole per minute per milligram of protein .
C0014442
enzyme
C0022173
isozyme