The Ig fold can be described as a
A)globular fold composed of $\alpha$ helices.
B)a globular fold composed of a four helix bundle.
C)a globular fold composed of a $\beta$ sandwich.
D)a globular fold composed of $\beta$ barrel.
E)a coiled-coil.

Question

Quizplus · Accepted Answer

The Ig fold is a common structural motif found in proteins involved in immune recognition and other functions. It is composed of two layers of antiparallel beta sheets, with the beta strands arranged in a F1F1F1S1𝜷F1F1F10 sandwich. The correct choice is C. The other options do not accurately describe the Ig fold structure.

The Ig Fold Can Be Described as a A)globular Fold α\alphaα

The Ig Fold Can Be Described as a
A)globular Fold $\alpha$