Assertion: lipid's acid | /r/CapableOf | serve as precursor
Facets:
value: for ligands
type: TRANSITIVE-OBJECT
Source sentences:
text: However, it is now recognized that cholesterol, fatty acids, and other dietary lipids serve as precursors for ligands that bind nuclear receptors and participate in signal transduction (for a review see Chawla et al (2001)).