2pp_2.Triacylglycerols - 2 Phospholipids triacylglycerols...

12/29/2009
1
2. Phospholipids, triacylglycerols and complex lipids
Membranes contain a variety of glycerophospholipids and sphingolipids
CH
2
-O-C
O
CH-O-C
O
stearic acid (C18:0)
1-stearoyl-2-oleoyl-
phosphatidylcholine
other common glycerophospholipids:
phosphatidyl ethanolamine
phosphatidyl serine
phosphatidyl glycerol
oleic acid (C18:1( Δ 9 ))
CH
2
-O-P-O-CH
2
CH
2
-N(CH
3
)
3
O
O
phosphocholine glycerol
+
-
sphingomyelin
phosphatidyl inositol
sphingolipids with carbohydrate
groups serve as recognition
factors on cell surfaces
HO-CH
CH-N-C
O
CH
2
-O-P-O-CH
2
CH
2
-N(CH
3
)
3
O
O
H
-
+