peroxisomas. page 721 molecular biology of the cell (© garland science 2008)
TRANSCRIPT
Peroxisomas
Page 721 Molecular Biology of the Cell (© Garland Science 2008)
RH2 + O2 → R + H2O2
R’H2 + H2O2 → R’+2H20
2 H2O2→2 H2O+ O2
Generan H2O2 (oxidación) y
destruyen el exceso (catalasa)
Beta oxidación
→
CH3- CH- CH2- CH2- CH2- CH2- CH2- CH2- CH2-C~SCoA
CH3-C~SCoA
Figure 12-31 Molecular Biology of the Cell (© Garland Science 2008)
Plasmalógeno
Secuencia de importación: Ser-Lys-Leu (C-term)
Peroxinas
Figure 12-33 Molecular Biology of the Cell (© Garland Science 2008)
Retículo Endoplasmático
Figure 12-4a Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-36c Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-35 Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-36b Molecular Biology of the Cell (© Garland Science 2008)
Figure 16-77a Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-37b Molecular Biology of the Cell (© Garland Science 2008)
Péptido señal
Receptor de translocación
Figure 12-38 Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-39b Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-40 Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-41a Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-46 Molecular Biology of the Cell (© Garland Science 2008)
Soluble Transmembrana
Figure 12-45 Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-46 Molecular Biology of the Cell (© Garland Science 2008)
Paso único
Figure 12-47 (part 1 of 2) Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-47 (part 2 of 2) Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-48 Molecular Biology of the Cell (© Garland Science 2008)
Doble paso
Figure 12-44 Molecular Biology of the Cell (© Garland Science 2008)
Proteínas residentes en el RE
• Poseen señal de retención
• Proteína disulfuro isomerasa, Chaperona BIP
Figure 12-56 Molecular Biology of the Cell (© Garland Science 2008)
Anclaje glicosilfosfatidilinositol (GPI)
Figure 12-50 Molecular Biology of the Cell (© Garland Science 2008)
Glucosilación (N-oligosacárido)
Figure 12-51 Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-53 Molecular Biology of the Cell (© Garland Science 2008)
Calnexina
Calreticulina
Figure 12-50 Molecular Biology of the Cell (© Garland Science 2008)
Glucosilación (N-oligosacárido)
Figure 12-54 Molecular Biology of the Cell (© Garland Science 2008)
Exportación de proteínas mal plegadas
Figure 12-55a Molecular Biology of the Cell (© Garland Science 2008)
Figure 12-55b Molecular Biology of the Cell (© Garland Science 2008)
Figure 10-2 Molecular Biology of the Cell (© Garland Science 2008)
Síntesis de membrana en RE
Figure 12-57 Molecular Biology of the Cell (© Garland Science 2008)
Síntesis de fosfatidilcolina en el RE (cara citosólica)
Figure 12-58 Molecular Biology of the Cell (© Garland Science 2008)