D-xylose(in) + 2 Na(+)(in) => D-xylose(out) + 2 Na(+)(out)
d-xylose(in) + 2 na(+)(in) => d-xylose(out) + 2 na(+)(out)
D-xylose(in) + 2 Na(+)(in) => D-xylose(out) + 2 Na(+)(out)
d-xylose(in) + 2 na(+)(in) => d-xylose(out) + 2 na(+)(out)