Transports C5-C7 oxodicarboxylates across the inner membranes of mitochondria. Can transport 2-oxoadipate, 2- oxoglutarate, adipate, glutarate, and to a lesser extent, pimelate, 2-oxopimelate, 2-aminoadipate, oxaloacetate, and citrate (By similarity). MSAKPSVGFVNEASRQILAGGSAGLVEICLMHPLDVVKTRFQIQRCTTDPNSYKSLGDSFRMIFRTEGLFGFYKGILPPILAETPKRAVKFFTFEQYKKLLGYVSLSPALTFAVAGLGSGLTEAIVVNPFEVVKVGLQANRNRFTEQPSTMSYARHIIKKEGLGLGGLNKGFTATLGRHGVFNMVYFGFYFNVKNIIPVNKDPTLEFLRKFGIGLLSGTIASVINIPFDVAKSRIQGPQPVPGEIKYKTCFKTMATVYQEEGILALYKGLLPKIMRLGPGGAVMLLVYEYTYSWLQENW Mitochondrial 2-oxodicarboxylate carrier Solute carrier family 25 member 21 299 SLC25A21 ODC_BOVIN ODC