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. Author manuscript; available in PMC: 2018 Oct 11.
Published in final edited form as: Chem Rev. 2017 Sep 27;117(19):12415–12474. doi: 10.1021/acs.chemrev.7b00283

Table 8.

Inhibition Assay of AIP Analogsa

AgrC Hemolysis Assay
Sequence I II III IV I II III IV
329 AIP-I YST(CDFIM) ag 8.00 0.522 nd nd 3.34 6.12 189
330 AIP-II GVNA(CSSLF) 1.62 ag 0.532 0.396 0.89 nd 3.59 1.19
331 AIP-III IN(CDFLL) 5.05 5.63 ag 8.53 8.07 0.456 nd 23.8
332 AIP-IV YST(CYFIM) ND 0.373 0.46 ag nd 0.0897 1.49 nd
333 I1A AN(CDFLL) 17.9 4.26 194 7.85 4.61 1.29 nd 12.5
334 N2A IA(CDFLL) 3.6 0.732 nd 3.53 1.02 0.137 nd 2.64
335 D4A IN(CAFLL) 0.485 0.429 0.0506 0.0349 0.082 0.0596 0.163 0.106
336 I1A/N2A AA(CDFLL) 7.4 4.38 2.6 5.41 nd nd nd nd
337 I1A/D4A AN(CAFLL) 0.328 2.35 0.28 0.101 0.0103 0.793 0.551 0.284
338 N2A/D4A IA(CAFLL) 0.331 0.204 0.0657 0.0221 0.0362 0.0661 0.216 0.122
339 I1A/N2A/D4A AA(CAFLL) 0.304 0.604 0.0734 0.0161 0.0411 0.0606 0.243 0.14
340 tD2A Ac(CAFLL) 0.257 0.9 0.329 0.0957 0.332 0.711 0.197 0.306
341 tD2A/F3Y Ac(CAYLL) 0.279 1.15 0.387 0.0306 0.279 0.204 0.265 0.134

graphic file with name nihms949912u7.jpg

a

IC50 in nM. Parentheses indicate the cyclic portion within the sequence. ag = agonist; nd = not determined. x-fold change measured relative to APPEL.