pyruvate(in) + Na(+)(in) => pyruvate(out) + Na(+)(out)
pyruvate(in) + na(+)(in) => pyruvate(out) + na(+)(out)
pyruvate(in) + Na(+)(in) => pyruvate(out) + Na(+)(out)
pyruvate(in) + na(+)(in) => pyruvate(out) + na(+)(out)