Table 5.
Peptide | Acid | IC50 | Selectivity Index (SI) | ||||||
---|---|---|---|---|---|---|---|---|---|
E.
faecium |
S.
aureus |
K.
pneumoniae |
A.
baumannii |
P.
aeruginosa |
K.
aerogenes |
C.
glabrata |
|||
Unmodified | |||||||||
1 | C14 | 1.41 ± 0.29 | 0.09 | 0.09 | 0.01 | 0.04 | 0.04 | 0.01 | 0.04 |
2 | 14.98 ± 2.05 | 1.87 | 1.87 | 0.03 | 0.23 | 0.23 | 0.03 | 0.47 | |
3 | 14.27 ± 1.96 | 1.78 | 0.89 | 0.03 | 0.22 | 0.22 | 0.03 | 0.45 | |
4 | C16 | 4.02 ± 1.17 | 0.50 | 0.50 | 0.01 | 0.13 | 0.25 | 0.25 | 1.01 |
5 | 5.72± 2.27 | 0.72 | 0.72 | 0.09 | 0.18 | 0.09 | 0.18 | 0.72 | |
6 | 7.84 ± 1.44 | 0.98 | 0.98 | 0.25 | 0.25 | 0.49 | 0.12 | 0.98 | |
7 | C18 | 8.28 ± 1.18 | 1.04 | 0.52 | 0.52 | 0.26 | 0.13 | 0.52 | 2.07 |
8 | 7.97 ± 1.51 | 1.00 | 0.50 | 0.25 | 0.12 | 0.12 | 0.25 | 1.99 | |
9 | 10.68 ± 1.61 | 1.34 | 1.34 | 0.67 | 0.33 | 0.17 | 0.33 | 2.67 | |
Glycosylated | |||||||||
10 | C14 | 32.12 ± 6.26 | 1.00 | 0.50 | - | 0.25 | 0.13 | - | 0.13 |
11 | 25.16 ± 3.47 | 0.79 | 0.39 | - | 0.39 | 0.20 | - | 0.20 | |
12 | 20.46 ± 3.05 | 1.28 | 0.64 | - | 0.32 | 0.08 | - | 0.16 | |
13 | C16 | 10.61 ± 2.04 | 0.66 | 0.66 | 0.04 | 0.33 | 0.33 | 0.02 | 0.33 |
14 | 14.08 ± 3.48 | 0.88 | 0.88 | 0.11 | 0.44 | 0.44 | 0.22 | 0.88 | |
15 | 5.16 ± 1.32 | 0.65 | 0.32 | 0.02 | 0.16 | 0.08 | 0.02 | 0.32 | |
16 | C18 | 10.12 ± 0.66 | 0.63 | 0.63 | 0.16 | 0.63 | 0.32 | 0.32 | 2.53 |
17 | 9.45 ± 0.89 | 1.18 | 0.59 | 0.59 | 0.59 | 0.30 | 0.30 | 2.36 | |
18 | 13.85 ± 1.71 | 1.73 | 0.87 | 0.43 | 0.43 | 0.43 | 0.43 | 3.46 |
Bold indicate SI above 1.