Assertion: amino acid glutamic acid | /r/MadeOf | peptide bonds
Facets:
value: between the amino group
type: OTHER
Source sentences:
text: Polyglutamic acid (PGA) is a natural linear polymer which is copolymerized from the amino acid glutamic acid, which is formed by peptide bonds between the amino group and the carboxyl group at the end of the glutamic acid side chain.