Which one of the following group of amino acids usually occurs in beta-turn? Cysteine, Tyrosine; Alanine, Serine; Arginine, Lysine; Aspartate, Glutamate; Proline, Glycine.

Understand the Problem

The question is asking which specific group of amino acids is typically found in beta-turns of protein structures, which suggests a focus on biochemistry and protein structure.

More Information

Beta-turns are common motifs in proteins and often involve amino acids like proline and glycine due to their unique conformational flexibility and propensity to cause bends in the peptide chain.

Tips

Be sure to consider the structural properties of amino acids, particularly their ability to form tight turns.

Sources

• Amino Acids - WebMD - webmd.com