Amino acid metabolism mnemonic

Purely ketogenic amino acids

The mnemonic

Leucine and Lysine: L and L

What each word stands for

  • LLeucine
  • LLysine

Why it matters clinically

They give acetyl-CoA or acetoacetate but cannot be converted to glucose.

Where it stops being reliable

Isoleucine, phenylalanine, tyrosine and tryptophan are both glucogenic and ketogenic.

Teaching aid, still awaiting independent review. Confirm facts in a standard source.

More mnemonics

Common questions

What is the Amino acid metabolism mnemonic?

Leucine and Lysine: L and L. It helps you recall: Purely ketogenic amino acids.

What does "L" stand for?

Lysine

What are all the parts of the Leucine and Lysine: L and L mnemonic?

L: Leucine; L: Lysine.

Which topic does this mnemonic belong to?

It belongs to Amino acid metabolism in Biochemistry.

Where does this mnemonic stop being reliable?

Isoleucine, phenylalanine, tyrosine and tryptophan are both glucogenic and ketogenic.

How is this useful clinically?

They give acetyl-CoA or acetoacetate but cannot be converted to glucose.

How do I make this mnemonic stick?

Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a Biochemistry question about Amino acid metabolism.

Is this a standard mnemonic?

It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.