Assertion: protein | /r/CapableOf | use energy
Facets:
value: generally
type: MANNER
value: to perform work
type: PURPOSE
Source sentences:
text: Biologists often refer to proteins, especially large complexes of proteins, that move, turn, lever, or generally use energy to perform work, as “machines”.
text: When no other nutrients are available, the body has only protein to use for energy.