The nuclear localization signal is typically a(n) _______, rich in the amino acids _______.
A) α helix; Pro, Lys, and Arg
B) α helix; Leu, Phe, and Gly
C) short sequence; Lys and Arg
D) short sequence; Pro, Leu, and Gly

Question

Quizplus · Accepted Answer

The nuclear localization signal is a short sequence usually consisting of positively charged amino acids, especially Lys and Arg. A specific α helix or specific amino acid residues such as Pro, Leu, and Gly are not always required for a functional NLS.

The Nuclear Localization Signal Is Typically A(n) _______, Rich in the Amino