D-cycloserine(out) + H(+)(out) => D-cycloserine(in) + H(+)(in)
d-cycloserine(out) + h(+)(out) => d-cycloserine(in) + h(+)(in)
D-cycloserine(out) + H(+)(out) => D-cycloserine(in) + H(+)(in)
d-cycloserine(out) + h(+)(out) => d-cycloserine(in) + h(+)(in)