Orthology established by Low et al., 2018 (14 genes)

Orthology for glra1 ( Chr: 14 )
Orthology for glra2 ( Chr: 9 )
Orthology for glra3 ( Chr: 1 )
Orthology for glra4a ( Chr: 14 )
Orthology for glra4b ( Chr: 5 )
Orthology for glrba ( Chr: 1 )
Orthology for glrbb ( Chr: 14 )