amino acid group


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amino acid group

a category of organic chemicals containing an amino group (NH2), a carboxylic acid group (COOH), and a variable R group on the carbon separating the amino and carboxyl groups (often referred to as the alpha carbon). The R group may be comprised of nonpolar, polar, acidic, or basic side chains. The presence of the R group creates defined three-dimensionality which is conserved in all naturally occurring amino acids.

amino acid group

The NH2 group that characterizes the amines.
See also: group