the possibility that the stimulation of flux by adrenergic agonists and vasopressin is mediated by increases in cytoplasmic ca2+ which in turn could regulate mitochondrial glycine catabolism was examined by measuring flux through gcs in isolated mitochondria in the presence of 0.04-2.88 microm free ca2+ .
C0010834
cytoplasmic
C0026237
mitochondria