title: Inhibition of dopamine-beta-hydroxylase by spinochrome A and echinochrome A, naphthoquinone pigments of echinoids.
mesh_terms: D000313:Adrenal Medulla / Q000201:enzymology; D000818:Animals; D002417:Cattle; D003300:Copper / Q000494:pharmacology; D004298:Dopamine / Q000378:metabolism; D004299:Dopamine beta-Hydroxylase / Q000037:antagonists & inhibitors*; D066298:In Vitro Techniques; D009285:Naphthoquinones / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D012617:Sea Urchins; D013056:Spectrophotometry, Ultraviolet; D014439:Tyramine / Q000378:metabolism
chemical_list: D009285:Naphthoquinones; D003300:Copper; D004299:Dopamine beta-Hydroxylase; D004298:Dopamine; D014439:Tyramine