Page 56 - Color Atlas of Biochemistry

Lipids 47

A. Classification

Hydrolyzable lipids O
C O CH 2
O
O
CO CH 2
C O CH
O
C O CH 2
Esters
O
Fats Non-hydrolyzable lipids
C O
Waxes
Sterol esters

O Hydrocarbons
CO CH 2
O Alkanes
CO CH O Carotenoids
H 2 C O P O
O
Phospholipids OH
Phosphatidates Alcohols
Phosphatids
Sphingolipids Long-chain alkanols
Sterols HO
O Steroids
CO CH 2
O COOH
CO CH O CH 2
H 2 C O P O N CH 3 Acids
O CH 3
Fatty acids
O
Eicosanoids
C
NH
OH
Glycolipids OH
Cerebrosides HO CH 2 O
Gangliosides HO OH O
OH
B. Biological roles

Fat
Glycerol Membrane Cytoplasm
Fatty acid ADP+P i ATP
Phospho-
O 2 lipid

Lipid
Mitochondrion bilayer
CO 2 H O
2
1. Fuel 2. Building block

37 °C
Signaling Anchor

0 °C
CoQ

Cell Cofactor Visual pigment

3. Thermal insulator 4. Special tasks

Koolman, Color Atlas of Biochemistry, 2nd edition © 2005 Thieme
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