Assertion: lysosome's protein | /r/HasProperty | needed
Facets:
value: often
type: DEGREE
value: to fold the protein
type: PURPOSE
value: no longer
type: TEMPORAL
Source sentences:
text: The lysosomes use the acid hydrolases from the endoplasmic reticulum to digest complex proteins and organelles that are no longer needed.
text: However, complementary proteins (chaperone proteins) are often necessary to fold the protein properly.