Protein S Will Fold into Its Native Conformation Only When

Multiple Choice

Protein S will fold into its native conformation only when protein Q is also present in the solution. However, protein Q can fold into its native conformation without protein S. Protein Q, therefore, may function as a _____ for protein S.

A) proteasome
B) molecular chaperone
C) protein precursor
D) structural motif
E) supersecondary structural unit