Solved: Except for cysteine, only S amino acids occur in proteins. Several R amino acids
Chapter 26, Problem 26.24(choose chapter or problem)
Except for cysteine, only S amino acids occur in proteins. Several R amino acids are also found in nature, however. (R)-Serine is found in earthworms, and (R)-alanine is found in insect larvae. Draw Fischer projections of (R)-serine and (R)-alanine. Are these d or l amino acids?
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