p24 proteins from the same subfamily are functionally nonredundant
Keywords: Xenopus laevis; Protein transport and processing; Glycosylation; Sulfation; Prohormone biosynthesis; APP; amyloid-β precursor protein; CLIP; corticotropin-like intermediate lobe peptide; EM; electron microscopy; ER; endoplasmic reticulum; GFP; green fluo