Orthology established by Wyatt et al., 2009 (48 genes)

Orthology for mmp19 ( Chr: 11 )
Orthology for mmp20a ( Chr: 15 )
Orthology for mmp20b ( Chr: 15 )
Orthology for mmp21 ( Chr: 12 )
Orthology for mmp23ba ( Chr: 8 )
Orthology for mmp23bb ( Chr: 18 )
Orthology for mmp24 ( Chr: 6 )
Orthology for mmp25a ( Chr: 3 )
Orthology for mmp25b ( Chr: 12 )
Orthology for timp2a ( Ambiguous )