Class AMINO-ACID-PEPTIDE-OR-PROTEIN

Amino acids and chains of amino acids connected by peptide.
Subclass-Of: Thing
Problem: Investigate: amino-acid vs. chain of a.a. vs. peptide vs. protein. See also <Amino-Acid-Sequence>. Possible splitting?
Axioms:
(<=> (Amino-Acid-Peptide-Or-Protein ?Self)
     (And (Thing ?Self)
          (Or (Amino-Acid ?Self)
              (Peptide-Bond ?Self)
              (Protein ?Self))))