Non essential 
and Glugogeic 
Alanine
glucose by glucose alanine cycle
glycine
Detoxification
benzoic acid
Synthesis
serine by hydromethyl transferase
creatine with arginine
heme by ALA synthesis
purin (C4 , C5, N7)
collagen 30%
glutathione with glumatic acid and cystein
cholic acid
Deamination of it
to form glyoxyic acid by glycine oxidase
Neurotransmitter
Aspiratic acid
Acidic
Synthesis
Asparagine
With NH3
Amide
Arginosuccinate 
With citrulline
Purine and 
Pyramidine
Alanine by
Decarboxylation 
Oxalate and 
glucose by 
Tranamination 
serine
(OH) group
regulate enzyme
activity 
Anchor for 
Carbohydrate 
OH containing 
Amino acid
synthesis
ethanlamine
and choline
cysteine 
(Cabon skeleton) 
purine (C8)
glycine
cystein
SH groupundefined
form the active group in many enzymes
active PAPS
Sulfer containing amino acid
Synthesis
cystine
bile acid by taurine
4-phosphopantotheine
important in:-
ACP and CoASH
Glutathione
Methionine
Synthesis
cysteine
SAM
Sulfer containing amino acid
Lipotropic factor
Glumatic acid
Synthesis
N-acetaylglutamate
allosteric regulator
of CPS-1
amino acid
Arginine
proline
Glutamine
Donor of 
amino group
Amide
Synthesis
Amino sugar
pyramidine
purine
Arginine
Glutathione
Acidic
Decarboxylation of it
In clotting factors 
[ 2,7,9,10]
