Amino Acids



1-letter code 3-letter code Chemical formula Monoisotopic Monoisotopic-H2O Average
A Ala C3H7O2N 89.048 71.0371 89.094
R Arg C6H14O2N4 174.112 156.101 174.202
N Asn C4H8O3N2 132.053 114.042 132.118
D Asp C4H7O4N 133.037 115.026 133.103
C Cys C3H7O2NS 121.020 103.009 121.159
E Glu C5H9O4N 147.053 129.042 147.130
Q Gln C5H10O3N2 146.069 128.058 146.145
G Gly C2H5O2N 75.032 57.021 75.067
H His C6H9O2N3 155.069 137.058 155.155
I Ile C6H13O2N 131.095 113.084 131.174
L Leu C6H13O2N 131.095 113.084 131.174
K Lys C6H14O2N2 146.106 128.095 146.188
M Met C5H11O2NS 149.051 131.040 149.212
F Phe C9H11O2N 165.079 147.068 165.190
P Pro C5H9O2N 115.063 97.052 115.131
S Ser C3H7O3N 105.043 87.032 105.093
T Thr C4H9O3N 119.058 101.047 119.120
W Trp C11H12O2N2 204.090 186.079 204.226
Y Tyr C9H11O3N 181.074 163.063 181.189
V Val C5H11O2N 117.079 99.068 117.147