(tài) peptide (two or more amino acids linked by peptide bonds CO-NH)
(tàidānwèi) peptide unit (on protein chain)
(tàijī) peptide group; peptide unit
(tàijùtáng) peptidoglycan (PG) or murein (polymer of sugars and amino acids forming cell wall)
(tàijiàn) peptide bond CO-NH; bond in protein between carboxyl radical and amino radical
(tàiliàn) peptide chain (chain of amino acids making up protein)