Free ribosomal Ribosom al recede subunits I protein with associated pore mRNA 司c CYTOSOL signal peptide COOH NHi on growIng Clearage of polypeptide ER LUMEN siona peptide Mabire chain poly peptide ch 2 Rough endoplasmiersticulum membrane
Extracellular space r gh endoplasmic Constitutive reticulum secretory pathway Cis Golgi Fans. Golgi ③ Regulated secretory pathway Lysosome
Gis Fa ace Trans Face
EXTRACELLULAR apical plasma SPACE membrane transport vesicle oo Gol complex ?5 transp。rt vesicle (一朋 endoplasmic reticulum