7 Appendix
209
Table 26. The most important a-amino carboxylic acids (amino acids)
Amino acid
Abbrev. a
Group name
Formula
Alanine
Ala (A)
Alanyl
H3C- CH(NH2)-CO- !
fJ-Alanine
fJ-Alanyl
H2N-CH,-CH,-CO- !
Arginine
Arg (R)
Arginyl
HN=C-NH-(CH2h-CH-CO-~
I
I
NH2
NH2
Cystathionine
Cystathionyl
PH2-CH(NH2)-CO-~
S
CH2-CH2-CH(NH2) -CO-~
Cysteine
Cys (C)
Cysteinyl
HS-CH,-CH(NH2)-CO-!
Cystine
Cystyl
S-CH2-CH(NH2)-CO-~
I
S-CH2-CH(NH2)-CO-~
Glycine
Gly (G)
Glycyl
H2N-CH,-CO-!
HC = C - CH2- CH(NH2) - co - ~
I
\
Histidine
His (H)
Histidyl
HN, /N
C/
H
Homocysteine -
Homocysteinyl HS-CH,-CH,-CH(NH2)-CO-!
Homoserine
Homoseryl
HO-CH,-CH,-CH(NH2)-CO-!
Isoleucine
lIe (I)
Isoleucyl
CzHs-CH(CH3)-CH(NH2)-CO-!
PH2-CH(NH2)-CO-~
Lanthionine
Lanthionyl
S
CH2-CH(NH2)-CO-~
Leucine
Leu (L)
Leucyl
(CH3)zCH -CH,-CH(NH2)-CO-!
Lysine
Lys (K)
Lysyl
H2N-(CHz)cCH(NH2)-CO-!
Methionine
Met (M)
Methionyl
H3C-S-CH,-CH,-CH(NH2)-CO-!
Norleucine
Norleucyl
H3C-(CH2h-CH(NH2)-CO-!
Norvaline
Norvalyl
HJC-(CH2)z-CH(NH2)-CO-!
Ornithine
Ornithyl
H2N-(CH2h-CH(NH2)-CO-!
Phenylalanine Phe (F)
Phenylalanyl
C6Hs-CH,-CH(NH2)-CO-l
H2C-CH-CO-~ . \
Proline
Pro (P)
Prolyl
H2C, /NH
C
H2
Sarcosine
Sarcosyl
HJC-NH-CH,-CO-!