Wiktionary
peptide chains
n. (peptide chain English)
Usage examples of "peptide chains".
It wound through a coiled-coil of alpha helices, found the folded ends of the poly-peptide chains in a myosin molecule, twisted and dissolved.
Just put it through twice, make sure you don't get any reversed peptide chains.
Identical eccentric molecules and weird peptide chains in dozens of products, regardless of brand name.