Ala-Gly-Ala is a prototype of a general tripeptide Xxx-Gly-Zzz. Except glycine and proline, there can be 18 possible amino acids for Xxx and another 18 amino acids for Zzz. Ala-Gly-Ala can be used as a model for up to 324 possible motifs of this kind of tripeptide[1].
ChEBI: Ala-Gly-Ala is a peptide.
[1] Liao J, et al. An assessment of the chiral environment created by adjacent D- and L-alanyl residues on a glycine unit within the tripeptide N-Ac-Ala-Gly-Ala-NHMe: An ab initio exploratory study. Journal of Molecular Structure Theochem, 2003, 621(3):163-187.
