PPM1L dephosphorylates multiphospho-CERT1-2
3 H2O + PPM1L:VAPA/B dimer + p-S,S132,T-CERT1-2 → CERT1-2:PPM1L:VAPA/B dimer + 3 Pi
- Reactome
- R-HSA-429730
- Compartment
- cytosol · endoplasmic reticulum membrane
- Rhea
- RHEA:20630, RHEA:47005
Inputs
- 3 H2OCHEBI:15377, H2O, cytosol
- PPM1L:VAPA/B dimerR-HSA-429703, endoplasmic reticulum membrane
- p-S,S132,T-CERT1-2R-HSA-429695, cytosol
Outputs
- CERT1-2:PPM1L:VAPA/B dimerR-HSA-429672, endoplasmic reticulum membrane
- 3 PiCHEBI:43474, HO4P, cytosol
Catalysed by
- protein serine/threonine phosphatase activity of PPM1L:VAPA/B dimer [endoplasmic reticulum membrane]EC 3.1.3.16
Literature
- Protein phosphatase 2Cepsilon is an endoplasmic reticulum integral membrane protein that dephosphorylates the ceramide transport protein CERT to enhance its association with organelle membranes J Biol Chem, 2008
- Structure, functions and regulation of CERT, a lipid-transfer protein for the delivery of ceramide at the ER-Golgi membrane contact sites FEBS Lett, 2019