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Amino Acids

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Revision as of 15:56, 5 June 2008

For a general introduction to amino acids, please see Amino Acids in Wikipedia.

Here are the names of the twenty standard amino acids, with their three and one-letter abbreviations. Mnemonic names may help you to remember the one-letter codes, but are not the correct names.



Ala A Alanine
Arg R Arginine
Asn N Asparagine

Asp D Aspartic acid
  (mnemonic: asparDic)
Cys C Cysteine

Gln Q Glutamine
  (mnemonic: Quetamine)
Glu E Glutamic acid
  (mnemonic: gluEtamic)


Gly G Glycine
His H Histidine
Ile I Isoleucine

Leu L Leucine

Lys K Lysine
  (mnemonic: liKesine)
Met M Methionine
Phe F Phenylalanine
  (mnemonic: Fenylalanine)
Pro P Proline


Ser S Serine
Thr T Threonine
Trp W Tryptophan
  (mnemonic: tWyptophan)
Tyr Y Tyrosine


Val V Valine

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