Synthesis of PG

Summary
Organism
Homo sapiens (human)
Reactome
R-HSA-1483148
PubChem
R-HSA-1483148
Description
  • Phosphatidylglycerol (PG) is synthesised at the inner mitochondrial (IM) membrane, phosphatidic acid (PA) and cytidine triphosphate (CTP) are converted into cytidine diphosphate-diacylglycerol (CDP-DAG), which in turn is converted with glycerol-3-phosphate (G3P) into phosphatidylglycerophosphate (PGP) and cytidine monophosphate (CMP). Finally, PGP is dephosphorylated to PG. In addition, PG can be synthesised at the endoplamic reticulum (ER) membrane when phospholipase D transphosphatidylates phosphatidylcholine (PC) with glycerol to displace choline (Cho) and form PG (Piazza & Marmer 2007, Stuhne-Sekalec et al. 1986, Lykidis et al. 1997, Cao & Hatch 1994).
Click on a node on the pathway to see its details. Glycoproteins are marked with a glycoprotein icon in their name.
Displaying all 5 entries
UniProt ID Protein Name Gene Symbol Pathway Viewer
O95674 Phosphatidate cytidylyltransferase 2
  • CDS2
view
Q13393 Phospholipase D1
  • PLD1
view
Q8IV08 5'-3' exonuclease PLD3
  • PLD3
view
Q8N2A8 Mitochondrial cardiolipin hydrolase
  • PLD6
view
Q96BZ4 5'-3' exonuclease PLD4
  • C14orf175
  • PLD4
  • UNQ2488/PRO5775
view

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026