2.4.1.117 endoplasmic reticulum - 5783 488489, 488491 2.4.1.117 microsome - - 488481, 488482, 488484, 488485, 488486, 488487 2.4.1.117 microsome active centres are cytoplasmically oriented, activation by detergent may be conformation-dependent - 488490 2.4.1.117 microsome membrane - 488483 2.4.1.117 soluble - - 488480