subcellular fractionation studies of homogenates of adrenal gland indicate that the recovery and enrichment of [ 3h ] pk11195 binding sites in the nuclear , mitochondrial , microsomal , and soluble fractions correlate closely with cytochrome oxidase activity , but not with markers for the nuclei , lysosomes , peroxysomes , endoplasmic reticulum , plasma membrane , or cytoplasm , indicating an association of the peripheral-type benzodiazepine receptor with the mitochondrial compartment .
C0007603
plasma membrane
C0010834
cytoplasm