Assertion: collagen's amino acid | /r/PartOf | collagen
Facets:
Source sentences:
text: When tested, the fibers were found to contain the same amino acids that make up collagen, the main structural protein found in skin and other soft tissues.
text: In addition, animal studies have found that ch-OSA increases the hydroxyproline concentration in the dermis (hydroxyproline is one of the three main amino acids that make up collagen).