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T14_CELLMEMBRANE

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CELL MEMBRANES<br />

6) LIPID RAFT<br />

• Aggregates of lipids & proteins<br />

• Heterogeneus in size (typically 50 nm)<br />

• Integrity maintained by cholesterol<br />

• Enriched for many types of cell-surface receptor proteins<br />

1. Non-raft membrane<br />

2. Lipid raft<br />

3. Lipid raft associated<br />

transmembrane protein<br />

4. Non-raft membrane<br />

protein<br />

5. Glycosylation<br />

modifications<br />

6. GPI-anchored protein<br />

7. Cholesterol<br />

8. Glycolipid

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