Biosynthesis 1 Flashcards
modified amino acid CS
precursor = tyrosine; thyroid hormone = thyroxine; catecholamines
polypeptide CS
single/double chain of AAs; hydrophilic
hydrophilic
attracted to water
hydrophobic
resists water
catecholamines
dopamine, norepinephrine, epinephrine
essential AA
not made by body; tyrosine (precursor for dopamine)
tyrosine transporter
brings tyrosine in
tyrosine hydroxylase
cytoplasmic protein; converts tyrosine to dopamine; rate limiting enzyme
cytoplasmic protein
maintain metabolism in living cells
L-amino acid decarboxylase
cytoplasmic protein; converts tyrosine to dopamine
dopamine
improves blood flow
dopamine transporter
DA to enter RSV
dopamine B-hydroxylase
converts DA to NOR (EPI and NOR)
norepinephrine
treat low blood pressure and heart failure
norepinephrine transporter
allows NOR to leave RSV (EPI)