Abbreviation List
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Abbreviation List

Table 1 Common Amino Acids

Name1-letter Abbreviation3-letter Abbreviation
AlanineAAla
ArgnineRArg
Aspartic acidNAsn
AsparagineDAsp
CysteineCCys
GlutamineQGln
Glutamic acidEGlu
GlycineGGly
HlstidineHHis
IsoleucineIIle
LeucineLLeu
LysineKLys
MethionineMMet
PhenylalanineFPhe
ProlinePPro
SerineSSer
ThreonineTThr
TryptophaneWTrp
TyrosineYTyr
 ValineVVal

Table 2 Uncommon Amino Acids [Top]

NameAbbreviation
2-Aminoadipic acid (2-aminohexanedioic acid)Aad
α-AsparagineAan
2-Aminobutanoic acidAbu
2-Aminocapric acid (2-aminodecanoic acid)Aca
α-GlutamineAgn
α-Aminoisobutyric acid (α-methylalanine)Aib
2-Aminopimelic acid (2-aminoheptanedioic acid)Apm
γ-Amino-β-hydroxybenzenepentanoic acidApp
2-Aminosuberic acid (2-aminooctanedioic acid)Asu
2-CarboxyazetidineAze
β-AlanineBal
β-Aspartic acidBas
3,6-Diaminohexanoic acid (β-lysine)Bly
Butanoic acidBua
4-Amino-3-hydroxybutanoic acidBux
γ-Amino-β-hydroxycyclohexanepentanoic acidCap
3-CyclohexylalanineCha
N5-AminocarbonylornithineCit
3-SulfoalanineCya
2,4-Diaminobutanoic acidDab
Diaminopropionic acidDap
Diaminopimelic acidDpm
2,3-Diaminopropanoic acidDpr
2,7-Diaminosuberic acid (2,7-diaminooctanedioic acid)Dsu
S-EthylthiocysteineEdc
γ-Glutamic acidGgu
γ-Carboxyglutamic acidGla
Hydroxyacetic acid (glycolic acid)Glc
Pyroglutamic acid (Pyr) (pGlu)Glp
HomoarginineHar
HomocysteineHcy
HomohistidineHhs
2-Hydroxyisovaleric acidHiv
HomoserineHse
2-Hydroxypentanoic acidHva
5-HydroxylysineHyl
4-HydroxyprolineHyp
α-Amino-2-indanacetic acidIgl
IsovalineIva
2-Hydroxypropanoic acid (lactic acid)Lac
Mercaptoacetic acidMaa
Mercaptobutanoic acidMba
3-Hydroxy-4-methylprolineMhp
Mercaptopropanoic acidMpa
3-NaphthylalanineNal
NorleucineNle
N-BenzylglycineNphe
NortyrosineNty
NorvalineNva
ω-Amino acidOaa
2-CarboxyoctahydroindoleOic
OrnithineOrn
Penicillamine (3-mercaptovaline)Pen
2-PhenylglycinePhg
2-CarboxypiperidinePip
Phospho-L-serinepSer
Phospho-L-threoninepThr
Phospho-L-tyrosinepTyr
Sarcosine (N-methylglycine)Sar
1-Amino-1-carboxycyclopentaneSpg
Statin (4-amino-3-hydroxy-6-methylheptanoic acid)Sta
3-ThienylalanineThi
3-CarboxyisoquinolineTic
3-MethylvalineTle
ε-N-TrimethyllysineTml
3-ThiazolylalanineTza
UndefinedUnd
α-Amino-2,4-dioxopyrimidinepropanoic acidWil

Table 3 Substituents [Top]

AcetylAc
AllyloxycarbonylAlloc
Benzyl, BzlBn
tert-ButoxycarbonylBoc
BenzoylBz
Carbobenzoxy (=Benzyloxycarbonyl)Cbz
2,4-DinitrophenylDnp
(9H-Fluoren-9-ylmethoxy)carbonylFmoc
FormylFor
MethylMe
(2-Methoxyethoxy)methylMEM
2,4,6-TrimethylphenylMes
MethoxymethylMOM
MethanesulfonylMs
MyristoylMyr
2-NitrophenylsulfenylNps
NitrobenzenesulfonylNs
p-MethoxybenzylPMB
2-(Trimethylsilyl)ethoxymethylSEM
tert-Butyldimethylsilyl     (=TBS)TBDMS
TriethylsilylTES
TrifluoromethanesulfonylTf
TriisopropylsilylTIPS
TrimethylsilylTMS
Triphenylmethyl (=Trityl)Tr
TriphenylmethylTrityl
p-Toluenesulfonyl (=Tosyl)Ts
BenzyloxycarbonylZ
5-Carboxyfluorescein5-FAM
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