Assertion: collagen's proline | /r/HasProperty | precursor
Facets:
value: in conjunction with lysine
type: OTHER
value: for hydroxylysine
type: TRANSITIVE-OBJECT
value: for hydroxyproline
type: TRANSITIVE-OBJECT
Source sentences:
text: In conjunction with lysine, another amino acid, proline is a precursor for hydroxyproline and hydroxylysine.