Orthology established by Cheng et al., 2013 (12 genes)

Orthology for ddr2a ( Chr: 6 )
Orthology for hsd17b7 ( Chr: 6 )
Orthology for rgs4 ( Chr: 6 )
Orthology for rgs5a ( Chr: 6 )
Orthology for rgs8 ( Chr: 6 )
Orthology for rgs16 ( Chr: 6 )