Amino acid letter code Number of structural S1domains Number of structural S1domains Number of structural S1domains Number of structural S1domains Number of structural S1domains Number of structural S1domains
one two three four five six
E 9.6 10.17 10.66 11.16 10.10 10.14
K 9.4 7.517 4.799 6.665 7.811 8.131
V 9.1 11.82 8.232 11.90 10.46 10.88
L 8.7 9.618 9.427 8.171 8.465 7.989
I 7.3 6.135 6.005 5.610 6.063 6.686
N 6.6 3.758 3.306 3.097 3.233 4.124
A 6.3 6.467 7.865 7.390 5.992 6.742
G 6.0 7.407 7.681 7.775 9.237 8.526
F 5.9 3.095 3.766 3.009 2.865 3.192
D 5.1 6.135 6.211 7.518 5.992 7.247
S 4.5 6.412 6.188 6.138 5.397 5.680
T 3.9 4.864 4.788 4.274 4.422 4.346
R 3.6 4.367 6.590 5.285 5.873 5.031
P 3.5 3.316 4.282 3.054 4.553 2.380
Q 3.0 2.653 3.995 3.659 3.863 3.020
M 2.3 1.824 2.353 0.987 1.486 1.524
Y 2.0 1.990 1.492 1.532 1.414 1.330
H 1.9 1.271 1.756 1.834 1.462 1.585
W 0.7 0.773 0.367 0.907 1.010 1.124
C 0.5 0.386 0.218 0.020 0.297 0.301