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Glossary Term
Glossary Term Amino Acid
Definition A molecule of the general formula NH2-CHR-COOH, where "R" is one of a number of different side chains. Amino acids are the building blocks of proteins. The sixty-four codons of the genetic code allow the use of twenty different amino acids (the primary amino acids) in the synthesis of proteins. Other nonprimary amino acids occur in proteins by enzymatic modification of amino acids in mature proteins, and as metabolic intermediates. See the Figure at NHGRI. For Figures showing the structure of each of the twenty primary amino acids, see Figure 1 and Figure 2 from "Molecular Biology of the Cell" by Alberts et al. at Access Excellence.

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last database update
12/16/2014
MGI 5.20
The Jackson Laboratory