Proteins found in humans have all amino acids with ____configuration.

Question

Quizplus · Accepted Answer

Proteins found in humans have all amino acids with the L configuration. Although D amino acids exist in nature, they are typically found in bacterial cell walls and some antibiotics. In humans, D-amino acids are typically metabolized by enzymes and not used to form proteins. Meso compounds have an equal number of left- and right-handed stereoisomers and are not typically found in biochemistry. Therefore, the correct answer is B, L.

Proteins Found in Humans Have All Amino Acids with ____Configuration