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Abbreviation List

Abbreviation List

Table 1 Common Amino Acids

Name 1-letter Abbreviation 3-letter Abbreviation
Alanine A Ala
Argnine R Arg
Aspartic acid N Asn
Asparagine D Asp
Cysteine C Cys
Glutamine Q Gln
Glutamic acid E Glu
Glycine G Gly
Hlstidine H His
Isoleucine I Ile
Leucine L Leu
Lysine K Lys
Methionine M Met
Phenylalanine F Phe
Proline P Pro
Serine S Ser
Threonine T Thr
Tryptophane W Trp
Tyrosine Y Tyr
 Valine V Val

Table 2 Uncommon Amino Acids [Top]

Name Abbreviation
2-Aminoadipic acid (2-aminohexanedioic acid) Aad
α-Asparagine Aan
2-Aminobutanoic acid Abu
2-Aminocapric acid (2-aminodecanoic acid) Aca
α-Glutamine Agn
α-Aminoisobutyric acid (α-methylalanine) Aib
2-Aminopimelic acid (2-aminoheptanedioic acid) Apm
γ-Amino-β-hydroxybenzenepentanoic acid App
2-Aminosuberic acid (2-aminooctanedioic acid) Asu
2-Carboxyazetidine Aze
β-Alanine Bal
β-Aspartic acid Bas
3,6-Diaminohexanoic acid (β-lysine) Bly
Butanoic acid Bua
4-Amino-3-hydroxybutanoic acid Bux
γ-Amino-β-hydroxycyclohexanepentanoic acid Cap
3-Cyclohexylalanine Cha
N5-Aminocarbonylornithine Cit
3-Sulfoalanine Cya
2,4-Diaminobutanoic acid Dab
Diaminopropionic acid Dap
Diaminopimelic acid Dpm
2,3-Diaminopropanoic acid Dpr
2,7-Diaminosuberic acid (2,7-diaminooctanedioic acid) Dsu
S-Ethylthiocysteine Edc
γ-Glutamic acid Ggu
γ-Carboxyglutamic acid Gla
Hydroxyacetic acid (glycolic acid) Glc
Pyroglutamic acid (Pyr) (pGlu) Glp
Homoarginine Har
Homocysteine Hcy
Homohistidine Hhs
2-Hydroxyisovaleric acid Hiv
Homoserine Hse
2-Hydroxypentanoic acid Hva
5-Hydroxylysine Hyl
4-Hydroxyproline Hyp
α-Amino-2-indanacetic acid Igl
Isovaline Iva
2-Hydroxypropanoic acid (lactic acid) Lac
Mercaptoacetic acid Maa
Mercaptobutanoic acid Mba
3-Hydroxy-4-methylproline Mhp
Mercaptopropanoic acid Mpa
3-Naphthylalanine Nal
Norleucine Nle
N-Benzylglycine Nphe
Nortyrosine Nty
Norvaline Nva
ω-Amino acid Oaa
2-Carboxyoctahydroindole Oic
Ornithine Orn
Penicillamine (3-mercaptovaline) Pen
2-Phenylglycine Phg
2-Carboxypiperidine Pip
Phospho-L-serine pSer
Phospho-L-threonine pThr
Phospho-L-tyrosine pTyr
Sarcosine (N-methylglycine) Sar
1-Amino-1-carboxycyclopentane Spg
Statin (4-amino-3-hydroxy-6-methylheptanoic acid) Sta
3-Thienylalanine Thi
3-Carboxyisoquinoline Tic
3-Methylvaline Tle
ε-N-Trimethyllysine Tml
3-Thiazolylalanine Tza
Undefined Und
α-Amino-2,4-dioxopyrimidinepropanoic acid Wil

Table 3 Substituents [Top]

Acetyl Ac
Allyloxycarbonyl Alloc
Benzyl, Bzl Bn
tert-Butoxycarbonyl Boc
Benzoyl Bz
Carbobenzoxy (=Benzyloxycarbonyl) Cbz
2,4-Dinitrophenyl Dnp
(9H-Fluoren-9-ylmethoxy)carbonyl Fmoc
Formyl For
Methyl Me
(2-Methoxyethoxy)methyl MEM
2,4,6-Trimethylphenyl Mes
Methoxymethyl MOM
Methanesulfonyl Ms
Myristoyl Myr
2-Nitrophenylsulfenyl Nps
Nitrobenzenesulfonyl Ns
p-Methoxybenzyl PMB
2-(Trimethylsilyl)ethoxymethyl SEM
tert-Butyldimethylsilyl  (=TBS) TBDMS
Triethylsilyl TES
Trifluoromethanesulfonyl Tf
Triisopropylsilyl TIPS
Trimethylsilyl TMS
Triphenylmethyl (=Trityl) Tr
Triphenylmethyl Trityl
p-Toluenesulfonyl (=Tosyl) Ts
Benzyloxycarbonyl Z
5-Carboxyfluorescein 5-FAM
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