. 2017 May 31;12(5):e0178280. doi: 10.1371/journal.pone.0178280

Table 3. The intensity ratios of selected peaks in the SERS spectra of oxidized wild-type cytochrome c and its mutants.

Data are shown as mean values ± SE. *p<0.05 compared to wild-type cytochrome c (the non-parametric Kruskal-Wallis test with Dunn's multiple comparison test).

Protein	I₅₇₂/I₁₃₇₄	I₁₃₇₄/I₁₁₇₂	I₁₁₃₀/I₁₁₇₂	I₁₃₇₄/I₁₆₃₉
WT	0.041±0.005	1.16±0.12	0.43±0.025	1.95±0.02
Mutant 1 T78N/K79Y/M80I/I81M/F82N	0.051±0.002*	1.31±0.11	0.41±0.045	2.11±0.02*
Mutant 2 T78S/K79P	0.059±0.003*	1.36±0.11*	0.39±0.02*	2.56±0.03*
Mutant 3 I81Y/A83Y/G84N	0.046±0.016	1.24±0.09	0.45±0.04	1.91±0.03