Biomedical Engineering Reference
In-Depth Information
H
TABLE 2.5
Chemical Structure of 20 Amino Acids of the General Structure
H
2
N C COOH
R
eR Group or whole
Name
Abbreviation
Symbol
Class
e
H
Glycine
GLY
G
Aliphatic
e
CH
3
Alanine
ALA
A
e
CH(CH
3
)
2
Valine
VAL
V
e
CH
2
CH(CH
3
)
2
Leucine
LEU
L
e
CH(CH
3
)CH
2
CH
3
Isoleucine
ILE
I
e
CH
2
OH
Serine
SER
S
Hydroxyl or sulfur containing
e
CH(OH)CH
3
Threonine
THR
T
e
CH
2
SH
Cysteine
CYS
C
e
CH
2
CH
2
SCH
3
Methionine
MET
M
e
CH
2
COOH
Aspartic acid
ASP
D
Acids and corresponding
amides
e
CH
2
CONH
2
Asparagine
ASN
N
e
CH
2
CH
2
COOH
Glutamic acid
GLU
E
e
CH
2
CH
2
CONH
2
Glutamine
GLN
Q
e
CH
2
CH
2
CH
2
CH
2
NH
2
Lysine
LYS
K
e
CH
2
CH
2
CH
2
NHCNHNH
2
Arginine
ARG
R
Basic
Histidine
HIS
H
N
N
H
H
Phenylalanine
PHE
F
Aromatic
Tyrosine
TYR
Y
OH
Tryptophan
TRY
W
H
N
(Continued)
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