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. Author manuscript; available in PMC: 2014 Feb 5.
Published in final edited form as: Chem Res Toxicol. 2012 Dec 26;26(1):156–168. doi: 10.1021/tx300437x

Figure 4.

Figure 4

Toxicity of 1–4, 7 and 8 in wild type AB1157 E. coli (closed/bolded symbols) and GC4803 alkA/tag glycosylase mutant cells (open symbols/non-bolded): dipeptides 1 (■,□), 2 (●,○), 3 (▲,△), 4 (▼, ▽) and tripeptides 7 (◆,◇), 8 (✖, ✕) and 9 (✚,+). Mid-log phase cells were exposed to varying concentrations of the analogues for 1 h, serially diluted and their survival measured on solid LB media.