PEX3 and Peroxisome biogenesis disorder-Zellweger syndrome spectrum: The human orthologs of PEX19 and PEX3, together with other peroxins, are mutated in Zellweger syndrome, a severe cerebro‐hepato‐renal peroxisome biogenesis disorder (Fujiki, Yagita, & Matsuzaki, 2012).