the fluorescent atp derivative 2',3'-o- ( 2,4,6-trinitrocyclohexadienylidine ) adenosine 5'-triphosphate ( tnp-atp ) binds specifically with enhanced fluorescence to the atp site of purified eel electroplax sodium-potassium adenosine triphosphatase , ( na , k ) -atpase .
C0001479
sodium-potassium
C0001473
atpase