Amino acid derivatives (5 star topic) Flashcards
1
Q
What is a derivative of Phenylalanine?
A
Tyrosine –> Dopa –> Dopamine –>NE–>E
Phenylalanine hydroxylase + BH4 Tyrosine hydroxylase + BH4 DOPA decarboxylase VitC Phenylethanolamine-N-methyltransferase + SAM
2
Q
derivative of Tyrosine
A
Thyroxine
3
Q
Derivative from DOPA
A
Melanin
via tyrosinase
4
Q
Tryptophan
A
—B6 —> Niacin
–BH4, B6—>Serotonin —> melatonin (pineal gland)
5
Q
Histidine
A
—B6–> Histamine
6
Q
Glutamate
A
–B6—> GABA
–> Glutathione
7
Q
Arginine
A
- –> Creatine (helps make ATP)
- —> Urea
- –BH4—-> Nitric oxide (smooth muscle dilator)
8
Q
Glycine
A
—B6—> porphyrin –> HEME
9
Q
Methionine
A
S-adenosyl-methionine
