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Describe the term D- and L-configuration used for amion acids with examples. |
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Answer» Solution :Consider the following CONFIGURATIONS (I and II) of `alpha`-amino acids `H_(2)N-UNDERSET("L-Amino acid")underset(I)underset(R)underset(|)overset(COOH)overset(|alpha)(C)-H` `H-underset("D-Amino acid")underset(II)underset(R)underset(|)overset(COOH)overset(alpha|)(C)-NH_(2)` If the `NH_2` group on the `alpha` CARBON is ORIENTED towards left (as in structure I), it is REFERRED to as L- amino acid and if `NH_2` group is oriented towards right (as in structure II), it is referred to as D-amino acid. |
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