The leucine zipper motif functions to
A)mediate the physical association of two polypeptides.
B)anchor transcriptional activator proteins to enhancer sequences.
C)release leucines from misfolded transcription factors.
D)integrate leucines and isoleucines into newly translated transcriptional activators.
E)open up proteins after transcription.

Question

Quizplus · Accepted Answer

The leucine zipper motif facilitates the physical association of two polypeptides by forming a coiled coil structure. It is commonly found in transcription factors where it allows for the formation of homo- or heterodimers, which are necessary for DNA binding and transcriptional regulation.

The Leucine Zipper Motif Functions to