Tightly (covalently) bound fatty acids in cell membrane proteins.
D000818:Animals; D001923:Brain Chemistry; D002462:Cell Membrane / Q000032:analysis; D004910:Erythrocyte Membrane / Q000032:analysis*; D004912:Erythrocytes / Q000032:analysis*; D005227:Fatty Acids / Q000032:analysis*; D006801:Humans; D007425:Intracellular Membranes / Q000032:analysis; D008099:Liver / Q000032:analysis; D008297:Male; D008563:Membrane Lipids / Q000032:analysis*; D008565:Membrane Proteins / Q000032:analysis*; D009504:Neutrophils / Q000032:analysis*; D051381:Rats; D011919:Rats, Inbred Strains; D014018:Tissue Distribution
D005227:Fatty Acids; D008563:Membrane Lipids; D008565:Membrane Proteins