Phosphatidic acid phosphatase (PAP), also called lipin, converts phosphatidate to diacylglycerol (DAG). Diacylglycerol kinase converts DAG to phosphatidate.

Biochemistry
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Chapter1: Biochemistry: An Evolving Science
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Phosphatidic acid phosphatase (PAP), also called lipin, converts phosphatidate to diacylglycerol (DAG). Diacylglycerol kinase
converts DAG to phosphatidate.
CH2-O-
CH
CH₂
phosphatidic acid
phosphatase
H₂O
P₁
ADP ATP
diacylglycerol
kinase
Concentration will increase
CH2-O-
TE
R₂
CH
CH₂-OH
-R₁
Consider the effect of a mutation in the PAP gene on triacylglycerol and phospholipid synthesis. Classify each lipid based on
whether its concentration will increase or decrease if the gene for PAP is underexpressed.
Concentration will decrease
Transcribed Image Text:Phosphatidic acid phosphatase (PAP), also called lipin, converts phosphatidate to diacylglycerol (DAG). Diacylglycerol kinase converts DAG to phosphatidate. CH2-O- CH CH₂ phosphatidic acid phosphatase H₂O P₁ ADP ATP diacylglycerol kinase Concentration will increase CH2-O- TE R₂ CH CH₂-OH -R₁ Consider the effect of a mutation in the PAP gene on triacylglycerol and phospholipid synthesis. Classify each lipid based on whether its concentration will increase or decrease if the gene for PAP is underexpressed. Concentration will decrease
phospholipids generated from CDP-DAG
and a polar head group
phospholipids generated from DAG
and activated head groups
R2–CO—CH
CH, O
R₂-C-O-CH
Answer Bank
||
CH₂0-C-R₁
ofo
CH₂-O-F
-O-8-R₁
0
CH₂-O-P-O-CH₂-CH-COO™
+
0
NH3
I
triacylglycerols
O
CH₂-O-C-R₁
R2-8-0-CH
CH2O
o=d-0
O
H OH
OH
H
OH HO
H
H
H
OH
Transcribed Image Text:phospholipids generated from CDP-DAG and a polar head group phospholipids generated from DAG and activated head groups R2–CO—CH CH, O R₂-C-O-CH Answer Bank || CH₂0-C-R₁ ofo CH₂-O-F -O-8-R₁ 0 CH₂-O-P-O-CH₂-CH-COO™ + 0 NH3 I triacylglycerols O CH₂-O-C-R₁ R2-8-0-CH CH2O o=d-0 O H OH OH H OH HO H H H OH
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