citrate(out) + 2-oxoglutarate(in) => citrate(in) + 2-oxoglutarate(out)
citrate(out) + 2-oxoglutarate(in) => citrate(in) + 2-oxoglutarate(out)
citrate(out) + 2-oxoglutarate(in) => citrate(in) + 2-oxoglutarate(out)
citrate(out) + 2-oxoglutarate(in) => citrate(in) + 2-oxoglutarate(out)