. "Edited: Williams, MG, 2011-08-12"^^ . "Authored: Williams, MG, 2011-09-14"^^ . "At the endoplasmic reticulum (ER) membrane, active membrane-bound choline-phosphate cytidylyltransferase A (PCYT1A) or B (PCYT1B) homodimer condenses phosphocholine (PCho) and cytidine triphosphate (CTP) to produce CDP-choline (CDP-Cho) (Lykidis et al. 1998)."^^ . . . . . . "PCho and CTP are condensed to CDP-Cho by PCYT1 dimer"^^ . "2.7.7.15"^^ . . . . . . . .