glycine betaine(in) + Na(+)(in) => glycine betaine(out) + Na(+)(out)
glycine betaine(in) + na(+)(in) => glycine betaine(out) + na(+)(out)
glycine betaine(in) + Na(+)(in) => glycine betaine(out) + Na(+)(out)
glycine betaine(in) + na(+)(in) => glycine betaine(out) + na(+)(out)