The Secondary Structure and Amino Acid Composition of Proteins from Hyperthermophiles

Multiple Choice

The secondary structure and amino acid composition of proteins from hyperthermophiles differ somewhat from proteins in mesophiles.What would you expect to find in thermophiles?

A) More β-sheets and the amino acids tyrosine and arginine.
B) More α-helices and the amino acids tyrosine and arginine.
C) More β-sheets and the amino acids cysteine and serine.
D) More β-sheets and the amino acids glycine and glutamate.
E) More α-helices and the amino acids cysteine and serine.