(1) succinate@mitochondrial matrix+ubiquinone@mitochondrial inner membrane - FAD:SDHA:SDHB:SDHC:SDHD:cardiolipin:heme b:phosphatidylethanolamine@mitochondrial inner membrane -> fumarate@mitochondrial matrix+ubiquinol@mitochondrial inner membrane
(2) succinyl-CoA@mitochondrial matrix+GDP@mitochondrial matrix - SUCLG1:SUCLG2@mitochondrial matrix -> succinate@mitochondrial matrix+coenzyme A@mitochondrial matrix+GTP@mitochondrial matrix
(3) succinate@mitochondrial matrix - SLC25A11@mitochondrial inner membrane - SLC25A10@mitochondrial inner membrane -t-> succinate@mitochondrial intermembrane space
charge 2- CHEBI 30031 KEGGCOMPOUND C00042 CAS 56-14-4