1.1.2.7	incubation in a calcium salt solution leads to full restoration of the Ca2+-lacking mutant enzymes to active holoenzymes, overview	
1.1.2.7	reconstitution of the active holoenzyme by incorporation of two exogenous Ca2+ into the active sites of the alpha-subunits of the alpha2beta2 tetramer, time course of Ca2+ incorporation, overview