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Amino acid properties



Name, three letter code, one letter code, molecular weight (g/mol), pKR, abundance in SwissProt v.36
 
Name
Three letter code
One letter code
Mw
pKR*
Abundance Sprot36 (%)
Alanine
Ala
A
71
-
7.58
Cysteine
Cys
C
103
8.3
1.67
Aspartic acid
Asp
D
114
3.9
5.28
Glutamic acid
Glu
E
128
4.3
6.35
Phenylalanine
Phe
F
147
-
4.08
Glycine
Gly
G
57
-
6.83
Histidine
His
H
137
6.0
2.24
Isoleucine
Ile
I
113
-
5.80
Lysine
Lys
K
129
10.8
5.93
Leucine
Leu
L
113
-
9.42
Methionine
Met
M
131
-
2.37
Asparagine
Asn
N
114
-
4.47
Proline
Pro
P
97
-
4.91
Glutamine
Gln
Q
128
-
3.99
Arginine
Arg
R
157
12.5
5.14
Serine
Ser
S
87
13
7.15
Threonine
Thr
T
101
13
5.69
Valine
Val
V
99
-
6.56
Tryptophan
Trp
W
186
-
1.24
Tyrosine
Tyr
Y
163
10.1
3.18
*pKR is the pK value of the side chain R.


To learn more about the amino acids, visit the some of these links:

Principles of Protein Structure course
EMBL homology modelling course




CORRESPONDENCE

Nikolaj Blom,