we report the in vitro phosphorylation of rat prolactin by camp-dependent protein kinase , casein kinase i , protease-activated kinase i , and the calcium/phospholipid-dependent kinase , that phosphorylation with these kinases results in phosphate incorporation only into isoforms 2 and 3 , and the phosphorylation of prolactin in rat pituitary cells in primary culture .
C0031727
kinases
C0031715
phosphorylation