Certain lipid molecules covalently attached to a protein may anchor that protein to the cell membrane. Each of the following lipids have been shown to function in this capacity, EXCEPT:

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Cholesterol is a non-covalently attached lipid that can associate with proteins and help anchor them to the cell membrane, but it is not covalently attached to the protein itself. Myristate, farnesyl group, phosphatidyl inositol, and palmitate have all been shown to function as covalent anchors for membrane proteins.

Certain Lipid Molecules Covalently Attached to a Protein May Anchor