Can you name the functions of amino acids OTHER THAN inclusion in proteins? by Pat423

Function	Amino acid	Additional information
Source of amino groups in transamination reactions		0
Form of activated ammonium ions, source of ammonium in the kidney		0
Predominant circulating amino acid with the LARGER molecular mass, used in amino group transport		0
Formed in mitochondria during urea cycle by transfer of carbamoyl group		Nonstandard amino acid
One of the three amino acids involved in creatine biosynthesis
Reacts with ATP to form SAM, an important source of methyl groups for methylation reactions		0
Reactant in ammonia fixation		0
Directly INCORPORATED during de novo synthesis of purines		0
Amino group donor in purine biosynthesis (does NOT get incorporated!)		0
Precursor to the neurotransmitter serotonin		0
Source of GABA, the primary inhibitory neurotransmitter in the CNS		0
Initial reactant for nonessential amino acid tyrosine's synthesis		0
Source of one-carbon fragments used in biosynthesis		0
Precursor to the vitamin niacin		0

Function	Amino acid	Additional information
Immediate precursor of urea in urea cycle		0
Source of second messenger nitric oxide		0
Decarboxylated to form histamine		0
Condenses with succinyl CoA in the first step of heme biosynthesis		0
Predominant circulating amino acid with the SMALLER molecular mass, used in amino group transport		0
Yields intermediate in polyamine biosynthesis, which are important for binding to excessive negative charge		0
Conjugated to a cholesterol derivative to form a bile salt		0
Amino acid neurotransmitter with the SMALLER molecular mass		0
Amino acid neurotransmitter with the LARGER molecular mass - primary excitatory neurotransmitter in the CNS		0
Yields important intermediate in melanin synthesis		0
Amino group donor in amino sugar biosynthesis		0
Precursor to the catecholamine and thyroid hormones		0
Important component in the urea cycle, formed in cytoplasm alongside urea in final step		Nonstandard amino acid

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