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> Amino acid abbreviations |
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Common
Amino Acid Abbreviations
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Name
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Symbol
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3-Letter
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1-Letter
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Alanine
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Ala
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A
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Arginine
|
Arg
|
R
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Asparagine
|
Asn
|
N
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Aspartic
acid
|
Asp
|
D
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Cysteine
|
Cys
|
C
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Glutamic
Acid
|
Glu
|
E
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Glutamine
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Gln
|
Q
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Glycine
|
Gly
|
G
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Histidine
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His
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H
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Isoleucine
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Ile
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I
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Leucine
|
Leu
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L
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Lysine
|
Lys
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K
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Methionine
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Met
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M
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Phenylalanine
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Phe
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F
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Proline
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Pro
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P
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Serine
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Ser
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S
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Threonine
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Thr
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T
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Tryptophan
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Trp
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W
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Tyrosine
|
Tyr
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Y
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Valine
|
Val
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V
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Unknonwn
or "other"
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X
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Uncommon
Amino Acid Abbreviations
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Name
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Symbol
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3-Aminoadipic
acid
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Aad
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2-Aminobutyric
acid
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Abu
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3-Aminopimelic
acid
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Apm
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2,4-Diaminobutyric
acid
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Dbu
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2,2'-Diaminopimelic
acid
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Dpm
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2,3-Diaminopropionic
acid
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Dpr
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N-EthylAA
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EtAA
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Hydroxylysine
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Hyl
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allo-Hydroxylysine
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aHyl
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3-Hydroxyproline
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3Hyp
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4-Hydroxyproline
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4Hyp
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allo-Isoleucine
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aIle
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N-Methylglycine
(aka sarcosine)
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MeGly
or Sar
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N-MethylAA
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MeAA
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Norvaline
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Nva
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Norleucine
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Nle
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Ornithine
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Orn
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