and is catalyzed by the enzyme PEP carboxylase ..
Enzyme structure The PEP carboxylase enzyme is …
The reaction is catalyzedby enzymes cytochrome P 450 (Cyt P 450).Later steps lead to yield cholesterol.
Phosphoenolpyruvic acid - Wikipedia
EMP: Embden Meyerhof Parnas; TCA: Tricarboxylic acid cycle; PPP: Pentose pathway; GalP: Galactose permease; Gap: Glyceraldehydes 3-phosphate dehydrogenase; Glk: Glucokinase; GltA: Citrate synthase; Gnd: 6-phosphogluconate dehydrogenase; Mdh: Malate dehydrogenase; Mez: NAD- and NADP dependent malic enzymes; Pck: Phosphoenolpyruvate carboxykinase; Pgi: Phosphoglucose isomerase; Ppc: Phosphoenolpyruvate carboxylase; PTS: Phosphoenolpyruvate:carbohydrate phosphotransferase system; PykAF: Pyruvate kinases A and F; Zwf: Glucose 6-phosphate dehydrogenase; AcCoA: Acetyl-coenzyme A; CIT: Citrate; E4P: Erythose 4-phosphate; F6P: Fructose 6-phosphate; αKGT: α-ketoglutarate; GAP: Glyceraldehydes 3-phosphate; G6P: Glucose 6-phosphate; Glc: Glucose; GOx: Glyoxylate shunt; ICIT: Isocitrate; MAL: Malate; NADPH: Nicotinamide adenine dinucleotide phosphate (reduced form); NADH: Nicotinamide adenine dinucleotide (reduced form); OAA: Oxaloacetate; 2PG: 2-phosphoglycerate; 3PG: Phosphoglycerate; 6PGL: 6-phosphogluconolactone; PEP: Phosphoenolpyruvate; PYR: Pyruvate; R5P: Ribose 5-phosphate; SUCC: Succinate; BM: Biomass.