title: Inhibition of tyrosine hydroxylase by naphthoquinone pigments of echinoids.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D004447:Echinodermata; D007501:Iron / Q000494:pharmacology; D007700:Kinetics; D009285:Naphthoquinones / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D010860:Pigments, Biological / Q000494:pharmacology*; D011621:Pteridines / Q000378:metabolism; D013056:Spectrophotometry, Ultraviolet; D014443:Tyrosine / Q000378:metabolism; D014446:Tyrosine 3-Monooxygenase / Q000032:analysis / Q000037:antagonists & inhibitors* / Q000302:isolation & purification
chemical_list: D002247:Carbon Isotopes; D009285:Naphthoquinones; D010860:Pigments, Biological; D011621:Pteridines; D014443:Tyrosine; D007501:Iron; D014446:Tyrosine 3-Monooxygenase