Page 236 - Color Atlas of Biochemistry

Endoplasmic reticulum and Golgi apparatus 227

A. Rough endoplasmic reticulum and Golgi apparatus

Morphological Biochemical
structures Nucleus processes

1. Transport
2. Protein synthesis
2. and folding
2. Signal peptide
1. rER 2. cleavage
2. Formation of
2. Transport 2. disulfide bonds
2. vesicle
2. Oligomerization
2. N-Glycosylation
cis folding
medial
3. Golgi complex 3. cis:
trans 3. Phosphorylation
Membrane 3. medial:
trans-Golgi network protein 3. Sugar cleavage
3. Addition of GlcNAc
4. Lysosome
3. Addition of
3. Gal and NeuAc
5. Secretory 3. trans-Golgi network:
5. vesicle 3. Sorting
4. Hydrolysis of
4. macromolecules
5. Proteolysis
6. Cytoplasmic
6. membrane 6. Exocytosis

B. Smooth endoplasmic reticulum

Steroid
Phospholipids Cholesterol hormones

Outside
Calcium store

Plasma
membrane
Xeno- Metabolites
Inside
biotics
Ca 2 +
Enzyme systems
of the lipid metabolism

Koolman, Color Atlas of Biochemistry, 2nd edition © 2005 Thieme
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