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Table 3 Variable amino acid sites located in COXI/II/III. These sites located on the mtDNA encoded subunits of COX (subunits I, II and III) show significant amino acid properties variation and are in contact with the nuclear encoded subunits of Complex IV (subunits IV, VB, VIA, VIB, VIIA, VIIB, VIIC and VIII).

From: The adaptive evolution of the mammalian mitochondrial genome

COX I II III
IV 483   
VB 510   155, 230
VIA    38, 122, 155, 182, 185, 230
VIB   92  
VIIA 4   41
VIIB 406   
VIIC 4, 502   
VIII 406, 483