Orthology established by Diekmann et al., 2005 (14 genes)

Orthology for mtif2 ( Chr: 6 )
Orthology for rps27a ( Chr: 6 )
Orthology for rtn1a ( Chr: 13 )
Orthology for rtn1b ( Chr: 20 )
Orthology for rtn2a ( Chr: 15 )
Orthology for rtn2b ( Chr: 21 )
Orthology for rtn3 ( Chr: 7 )
Orthology for rtn4a ( Chr: 6 )
Orthology for rtn4b ( Chr: 13 )