Organelle membrane lipid composition

Organelle membrane lipid composition

Table
Organelle membrane lipid composition by weight percent of rat liver cells
membrane
lipid plasma membrane microsome inner mitochondria outer
mitochondria nuclear
cholesterol 28.0 6.0 <1.0 6.0 5.1
phosphatidylcholine 31.0 55.20 37.9 42.70 58.30
sphingomyelin 16.6 3.7 00.8 4.1 3.0
phosphatidylethanolamine 14.3 24.00 38.3 28.60 21.50
phosphatidylserine 02.7 — <1.0 <1.00 3.4
phosphatidylinositol 04.7 7.7 02.0 7.9 8.2
phosphatidic acid and cardiolipin 01.4 1.5 20.4 8.9 <1.00
lysophosphatidylcholine 01.3 1.9 00.6 1.7 1.4
Source: From Thomas E. Andreoli et al., Membrane Physiology, 2nd ed. (1987), Table II, chapter 27.
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