D-mannose(out) + Na(+)(out) = D-mannose(in) + Na(+)(in)
d-mannose(out) + na(+)(out) = d-mannose(in) + na(+)(in)
D-mannose(out) + Na(+)(out) = D-mannose(in) + Na(+)(in)
d-mannose(out) + na(+)(out) = d-mannose(in) + na(+)(in)