guanosine(out) + 2 Na(+)(out) <=> guanosine(in) + 2 Na(+)(in)
guanosine(out) + 2 na(+)(out) <=> guanosine(in) + 2 na(+)(in)
guanosine(out) + 2 Na(+)(out) <=> guanosine(in) + 2 Na(+)(in)
guanosine(out) + 2 na(+)(out) <=> guanosine(in) + 2 na(+)(in)