2
CH,
ooc—ch2 —i—oh2 —ch2—
OH
1 2
3| 4 6
OH
Mevalonate
ATP
ADP
mevalonate
5-photiphotmnrtferaM*
Kinaza mewalonianowa
CH, O
ooc—ch2 —c—ch2 —ch2—o—p—o oh o
5-Phosphomevalonate
pho*phomevnlonato
kinase
ATP
ADP
O
CHS
O
ooc—ch2—c—ch2—ch2—o—P—O—P—O’
OH 0 o
5-Pyrophosphomevalonate
pyrophospho-
mevalonate
decarboxylase
ADP
CH,
O O
OOC—CHo —C—CH, —C H2—O—f>—0—P—O
0“ O"
3-Phospho-5-
pyrophosphomevalonate
CH3 CH2=C—(
|
pyrophospho- mevalonate |
co2, |
p. | |
|
dccarboxylii8c H3 |
\ |
) |
0 |
|
_ru ,_CT |
j _o_ |
>_O- |
-p- |
|
( |
r |
1 o |
Activated
isoprenes
AMsopentenyl pyrophosphate
ch3
FIGURĘ 21-35 Comersion of movalonato to activatcd isoprcnc units. Six of theso activatod units combino to form squalene (soo Fig. 21-36). The leaving groups of 3-phospho-5-pyrophosphomevalonate are shaded pink. The bracketed intermediate is hypothetical.
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