Amino Acid Breakdown Products
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Updated
2009-02-15 23:11
Amino Acid Breakdown Products
These products can be converted into glucose or oxidized in the citric acid cycle.| Amino Acids | Breakdown Products |
|---|---|
| Asparagine, Aspartate | Oxaloacetate |
| Tyrosine, Phenylalanine, Aspartate | Fumarate |
| Isoleucine, Methionine, Valine | Succinyl CoA |
| Glutamate, Glutamine, Histidine, Proline, Arginine | α-Keto-Glutarate |
| Isoleucine, Leucine, Tryptophan | Acetyl CoA |
| Leucine, Lysine, Phenylalanine, Tyrosine, Tryptophan | Acetoacetyl CoA |
| Alanine, Glycine, Cysteine, Serine, Threonine, Tryptophan | Pyruvate |
| Ketogenic | Products are Ketone Bodies: Acetyl CoA or Acetoacetyl CoA |
| Glucogenic | Products can be converted into Glucose |
| Leucine, Lysine | Purely Ketogenic |
| Isoleucine, Phenylalanine, Tryptophan, Tyrosine | Both Ketogenic and Glucogenic |
| Most (14) of the Amino Acids | Purely Glucogenic |
Reference: p.503 of Lubert Stryer's "Biochemistry" 3rd Edition, 1988, W. H. Freeman, New York (ISBN=0-7167-1843-X).
