non-peptide
/nɒnˈpɛptʌɪd/Biochemistry
adjective
Of a molecule: that is not a peptide, specifically that does not contain peptide groups or peptide bonds. Of a bond or linkage: not a peptide bond.
noun
A non-peptide molecule.
Origin
1940s; earliest use found in Proceedings of the Royal Society of London. From non- + peptide.