Assertion: cell wall's protein | /r/CapableOf | signal protein
Facets:
value: with a signal
type: OTHER
Source sentences:
text: These proteins can be classified into four major categories; scaffolding proteins, signalling proteins, regulation proteins, and transmembrane proteins.
text: Since these would be damaging if they mixed freely with the remainder of the cytosol, the barrel is capped by a set of regulatory proteins that recognize proteins with a signal directing them for degradation (a ubiquitin tag) and feed them into the proteolytic cavity.