H-Tyr(3-I)-OH is an effective tyrosine hydroxylase inhibitor.
H-Tyr(3-I)-OH (3-iodo-L-tyrosine) is as effective inhibitor of tyrosine hydroxylase. At a concentration of 100μM 3-iodo-L-tyrosine inhibits the enzymatic activity 100% and at a concentration of 10μM it inhibits 60-70%[1].
References:
[1]. GOLDSTEIN M, et al. INHIBITION OF TYROSINE HYDROXYLASE BY 3-IODO-L-TYROSINE. Life Sci (1962). 1965 Jan;4:261-4.