The Department of Biochemistry of Medical Faculty Presents now Edited by Attila Sandor SYNTHESIS of CHOLESTEROL and KETONE BODIES
Dec 14, 2015
The Department of Biochemistryof Medical Faculty
Presents now
Edited by Attila Sandor
SYNTHESIS of CHOLESTEROL and KETONE BODIES
Classification of lipids on chemical basis
Fatty acid derivatives IsoprenoidsSimple lipids Complex lipids
TriglyceridsVaxes
PhospholipidsGlycolipids
SteroidsCarotinoids
Author`s picture
Strayer 5th ed. 26.10, p724
Formation of Squalene (2 X 15 = 30), still straight skeleton
Head to Head
Cholesterol
-3CSqualene Lanosterol
Formation of cyclised C30 lanosterol, theimmediate precursor of cholesterol
Cholesterol C27
-3C
(6C X 5C)-3C = 27C, ring 17C + 2C methyl + 8C side chain
Structure, nubering and origins of atoms of cholesterol
Strayer, 5th ed. 26.25 p.733
polyprenyltransferase
C15 prenyltransferase
C20 prenyltransferase
Compounds built from C5 isoprenoid blocks
Lehn., 4th ed. Fig. 21-48, p.828
HMG-CoA is a branchpoint
Cleavage enzyme
Reductase
HMG-CoA synthase
Ketone bodies
Cholesterol
Strayer, 5th ed. 26.7 p.723