Amino acids are molecules which contain both amino and carboxyl groups. In a generic sense the term refers to α-amino acids which are the constituents of proteins. The stereochemistry of amino acids is defined by D and L enantiomers. The 20 standard amino acids correspond to L-isomers, and their enantiomeric D-isomers are rarely found in nature. The estimated 100,000 or more different proteins in life are built from the twenty different L-α-amino acids joined together peptide bonds between the carbonyl and amino groups of amino acid residues. Although the so-called 20 essential amino acids are found in all forms of life, D-amino acids and peptides containing them have been discovered to play an important part in a range of biochemical systems.
Amino acids and their N-protected derivatives e.g., Boc and Fmoc amino acids, have vital roles in technology since they are used to synthesize various bioactive substances from other molecules, for example peptide sweeteners, nutritional supplements, cosmetic materials, surfactants, and synthetic precursors of pharmaceuticals like an insulin. Typical amino acids, their protected and biologically-modified reagents, non-proteinogenic amino acids, and oligopeptides are as follows.
α-Amino Acids
C-Protected Amino Acids
N-Protected Amino Acids
Biologically-modified Amino Acids
non-Proteinorganic Amino Acids
Oligopeptides
α-Amino Acids
C-Protected Amino Acids
Amino Acid Methyl Esters
Amino Acid Ethyl Esters
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Amino Acid tert-Butyl Esters
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Amino Acid Benzyl Esters
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N-Protected Amino Acids
Ac-Amino Acids
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Boc-Amino Acids
Dbs-Amino Acids
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| D1454 | Dabsyl-L-alanine |
| D1456 | Dabsyl-L-leucine |
| D1457 | Dabsyl-L-methionine |
| D1458 | Dabsyl-L-proline |
| D1459 | Dabsyl-L-tryptophan |
| D1460 | Dabsyl-L-valine |
Dns-Amino Acids
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| D1501 | Dansylglycine |
| D1497 | Dansyl-L-isoleucine |
| D1498 | Dansyl-L-leucine |
| D1500 | Dansyl-L-phenylalanine |
| D1505 | Dansyl-L-valine |
Dnp-Amino Acids
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Fmoc-Amino Acids
Nps-Amino Acids
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PTH-Amino Acids
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Z-Amino Acids
Biologically-modified Amino Acids
non-Proteinorganic Amino Acids
Oligopeptides
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