At the inner mitochondrial (IM) membrane, phosphatidylserine decarboxylase proenzyme (heterodimer of two chains from the same protein) (PISD) decarboxylates phosphatidylserine (PS) to phosphatidylethanolamine (PE). This event has been inferred from rats and limited data for a human PISD (Forbes et al. 2007).
Lumb, KJ, Pendleton, JA, Rocks, S, Forbes, CD, Landro, JA, Gedrich, RW, Ozbal, CC, Osterman, DG, Lamarr, WA, Toth, JG
phosphatidylserine decarboxylase activity of PISD:Pyruvoyl [mitochondrial inner membrane]
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