the catecholamine-forming and metabolizing enzyme tyrosine hydroxylase , dopa decarboxylase , dopamine-beta-hydroxylase , phenylethanolamine n-methyltransferase , and catecholamine-o-methyltransferase , as well as the endogenous inhibitor of dopamine-beta-hydroxylase were compared in the brains of schizophrenics and controls .
C0031397
phenylethanolamine
C0025831
methyltransferase