the paper describes the dissociation parameters of the complexes between [ 3h ] -digitoxin and na , k-atpase ( na+ + k+-activated , mg2+-dependent atp phosphohydrolase , e.c . 3.6.1.3 ) from pig cardiac muscle and brain cortex formed and dissociated in the presence of different combinations and concentrations of the enzyme effectors atp , mg2+ , na+ and k+ .
C0001473
atpase
C0001477
mg2