n-ethylmaleimide , ethylenediaminetetraacetic acid , amp , pyrophosphate , spermine , spermidine , and high concentrations of potassium inhibited both p1 and eif-2 alpha phosphorylation by the purified kinase , whereas ethylene glycol bis ( beta-aminoethyl ether ) -n , n , n ' , n'-tetraacetic acid and phenanthroline did not significantly affect the phosphorylation of either protein p1 or eif-2 alpha .
C0031715
phosphorylation
C0031727
kinase