Potent AA derivatives Flashcards
1
Q
Hydroxylation of tryptophan yields…
A
Serotonin
(neurotransmitter and paracrine hormone)
2
Q
Acetylation and methylation of serotonin yields…
A
melatonin
(hormone which influences reproductive activity)
3
Q
Decarboxylation of histidine yields…
A
Histamine
(Mediator of allergic reactions)
4
Q
Methylation of lysine yields…
A
Carnitine
(Lipid transport)
5
Q
Beta(B) and Gamma(y) amino acids have other important functions. Give examples and their functions
A
- Taurine in bile acids
- GABA is an inhibitory neurotransmitter
6
Q
Most alpha- AA’s are found in proteins (proteinogenic) except:
A
Triiodothyronine (T3) & thyroxine
(Thyroid hormones synthesized from tyrosine)
