The fibroin proteins found in silk fibers consist of large regions of ß-pleated sheets stacked one on top of another. (a) Explain why having a glycine at every other residue allows the ß-pleated sheets to stack on top of each other. (b) Why are silk bers insoluble in water?

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter29: The Organic Chemistry Of Metabolic Pathways
Section29.SE: Something Extra
Problem 19VC: The following compound is an intermediate in the biosynthesis of one of the 20 common -amino acids....
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The fibroin proteins found in silk fibers consist of large regions of ß-pleated sheets stacked one on top of another. (a) Explain why having a glycine at every other residue allows the ß-pleated sheets to stack on top of each other. (b) Why are silk bers insoluble in water?

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