Assertion: collagen's type | /r/CapableOf | play large role
Facets:
value: in the synthesis of collagen
type: TRANSITIVE-OBJECT
Source sentences:
text: After inducing hypothyroidism and then injecting animal subjects with a proline solution, a type of amino acid that plays a large role in the synthesis of collagen, it was found that levels of collagen in various parts of the body may be reduced.