Gly-Ala-Tyr is a tripeptide composed of L-glycine, alanine and L-tyrosine joined in sequence by peptide linkages. Ala-Gly-Tyr is functionally related to L-alanine, glycine and L-tyrosine.

Boeravinone B, a novel efflux pump inhibitor, apart from inhibiting the MdeA mediated efflux, also significantly inhibit the biofilm formation of S. aureus, boeravinone B may be used in combination with mupirocin for further development.

Morphiceptin is a potent and specific agonist for morphine (μ) receptors. Morphiceptin, as a synthetic peptide, is the amide of a fragment of the milk protein β-casein. Morphiceptin has morphinelike activities and is highly specific for morphine (μ) receptors but not for enkephalin receptors.