retrieval

1) ==> chemical reaction SUBSTRATE: cholesterol ozone PRODUCT: cholesterol metabolite 1 H2O 2) ==> chemical reaction SUBSTRATE: cholesterol ozone PRODUCT: cholesterol metabolite 2 H2O 3) ==> enzymatic reaction ENZYME: dehydrogenase {SMOOTH_ENDOPLASMIC_RETICULUM} SUBSTRATE: desmosterol PRODUCT: cholesterol 4) ==> enzymatic reaction ENZYME: multienzyme complex (cholesterol 20,22 desmolase adrenodoxin, mitochondrial adrenodoxin reductase -[FAD NADP NADP NADP]) SUBSTRATE: cholesterol NADPH O2 PRODUCT: pregnenolone isocaproate {MEMBRANE.1676} NADP 5) ==> enzymatic reaction ENZYME: lecithin-cholesterol acyltransferase {CELLULAR_MEMBRANE} SUBSTRATE: phosphatidyl choline {CELLULAR_MEMBRANE.1678} cholesterol PRODUCT: cholesterol ester lysophosphatidylcholine {CELLULAR_MEMBRANE.1678}