Amino acids codes (symbols) are listed below (1 and 3 letters codes). Approved nomenclature for reports is the 3 letters code:
Amino acid | Code (1 letter) | Code (3 letters) (official) |
Alanine | A | Ala |
Arginine | R | Arg |
Asparagine | N | Asn |
Aspartic Acid | D | Asp |
Cysteine | C | Cys |
Glutamic Acid | E | Glu |
Glutamine | Q | Gln |
Glicine | G | Gly |
Histidine | H | His |
lsoleucine | I | Ile |
Leucine | L | Leu |
Lysine | K | Lys |
Methionine | M | Met |
Phenylalanine | F | Phe |
Proline | P | Pro |
Serine | S | Ser |
Threonine | T | Thr |
Tryptophan | W | Trp |
Tyrosine | Y | Tyr |
Valine | V | Val |
Asn + Asp | B | Asx |
Gln + Glu | Z | Glx |
2 Responses
Nice information. Amino acids are defined as the alpha amino of an a-amino acid. There are two types of amino acids: 1. primary, which forms from ost-1-ene and 2. secondary, which form from carbon skeleton fragments in bacteria.
Dear Charlotte, many thanks for your comments!