peroxisomal biogenesis factor 5 protein coding gene MGI:1098808 peroxisome biogenesis factor 5 ESTM1 Gene ESTM1|peroxisome biogenesis factor 5|Pxr1|PTS1R genetic mapping Pxr1 O Pex5 - http://identifiers.org/mgd/MGI:1098808 PTS1R