Assertion: collagen's amino acid | /r/HasProperty | glycine
Facets:
Source sentences:
text: The primary amino acids found in collagen are glycine, lysine, and proline, accounting for around 50% of its amino acid content.
text: This robust structure is formed by a repeating sequence of three amino acids, with every third amino acid being glycine; the other two are proline and hydroxyproline, which fill many of the remaining positions in the chain.
text: Although collagen is made up of 19 different amino acids, each with specific benefits, the two most abundant amino acids found in collagen are glycine and proline.10