Except for cysteine, only S amino acids occur in proteins. Several R amino acids are also found
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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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H O R NH3 H CHOH ...View the full answer
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