a specific antiserum was used to compare phosphorylation of tyrosine hydroxylase ( th ) ( ec 1.14.16.2 , tyrosine 3-monooxygenase ) as regulated by elevated k+ and nerve growth factor ( ngf ) in cultured pc12 pheochromocytoma cells .
C0020364
hydroxylase
C0041491
tyrosine 3-monooxygenase