when rat liver mitochondria were separated into submitochondrial fractions , beta-alanine-oxoglutarate aminotransferase was localized in the mitochondrial matrix . beta-alanine was transported into mitochondria with time and the influx of beta-alanine into the matrix was 0.47 nmol/mg of mitochondrial protein at 2 min after incubation .
C0026237
mitochondria
C1510421
mitochondrial matrix