Mkrn3os (makorin, ring finger protein 3, opposite strand; Zfp127as) was not expressed (in situ
hybridisation) in mice with maternal UPD of this region, and is thought to be paternally expressed
BM et al, 1997). Jong et al. state that Mkrn3os is paternally expressed (see
Discussion in Jong MT et al, 1999).