Amino Acids (Derivation & Derivatives)

α-ketoglutarate is the precursor for which amino acid(s)?

• Glutamate

• Glutamine

• Proline

• Arginine

3-phosphoglycerate is the precursor for which amino acid(s)?

• Serine

• Glycine

• Cysteine

Oxaloacetate is the precursor for which amino acid(s)?

• Aspartate

• Asparagine

• Methionine *

• Threonine *

• Lysine *

Pyruvate is the precursor for which amino acid(s)?

• Alanine

• Valine *

• Leucine *

• Isoleucine *

• PEP and erythrose-4-phosphate are the precursor for which amino acid(s)?

• Tryptophan *

• Phenylalanine *

• Tyrosine (derived from phenylalanine in mammals)

• Ribose-5-phosphate is the precursor for which amino acid(s)?

• Histidine *

Pyruvate can derive from which amino acids?

• Alanine

• Cysteine

• Glycine

• Serine

• Threonine

• Tryptophan

OAA can derive from which amino acids?

• Asparagine

• Aspartate

Fumarate can derive from which amino acids?

• Phenylalanine

• Tyrosine

Succinyl-CoA can derive from which amino acids?

• Isoleucine

• Methionine

• Threonine

• Valine

α-KG can derive from which amino acids?

• Arginine

• Glutamine

• Histidine

• Proline

aa → glutamate → α-KG

Acetoacetyl-CoA can derive from which amino acids?

• Leucine

• Lysine

• Phenylalanine

• Tryptophan

• Tyrosine

Acetyl-CoA can derive from which amino acids?

• Isoleucine

• Leucine

• Threonine

• Tryptophan