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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Evolution. 2015 Nov 20;69(12):3069–3081. doi: 10.1111/evo.12808

Table 3.

Odds ratios and P-values for statistical associations between categories of residues (Fisher’s exact tests).

Do substitutions preferentially occur at contact residues?1 Do nuclear substitutions preferentially contact variable mitochondrial residues?2
Mito Nuc
S. conica 0.856, P = 0.626 2.551, P = 0.043 19.386, P < 0.001
S. noctiflora 0.998, P = 1.000 1.625, P = 0.401 –
Both spp. 0.910, P = 0.705 2.102, P = 0.025 6.105, P < 0.001
1

Analysis restricted to exposed residues.

2

Analysis restricted to contact residues.