the effect of n1-substituted analogs of atp on the hydrolysis of umbelliferone phosphate by na , k-atpase has demonstrated : analogs having a negatively charged substituent ( n1-oxy- or n1-carbo-methoxy-atp ) and capable of accepting h+ induce an activation similar to that of atp ;
C0020291
hydrolysis
C0001473
atpase