title: Inhibition of guinea-pig brain tyrosine hydroxylase by catechols and biopterin.
mesh_terms: D000818:Animals; D001708:Biopterins / Q000494:pharmacology*; D002118:Calcium / Q000494:pharmacology; D002396:Catechols / Q000494:pharmacology*; D002421:Caudate Nucleus / Q000201:enzymology*; D000242:Cyclic AMP / Q000494:pharmacology; D004298:Dopamine / Q000494:pharmacology; D006168:Guinea Pigs; D006719:Homovanillic Acid / Q000494:pharmacology; D007700:Kinetics; D007980:Levodopa / Q000494:pharmacology; D009638:Norepinephrine / Q000494:pharmacology; D011621:Pteridines / Q000494:pharmacology*; D014446:Tyrosine 3-Monooxygenase / Q000037:antagonists & inhibitors*
chemical_list: D002396:Catechols; D011621:Pteridines; D001708:Biopterins; D007980:Levodopa; D000242:Cyclic AMP; D014446:Tyrosine 3-Monooxygenase; D002118:Calcium; D004298:Dopamine; D009638:Norepinephrine; D006719:Homovanillic Acid