preferred_name: glycine(out) + Na(+)(out) => glycine(in) + Na(+)(in)
preferred_name_lc: glycine(out) + na(+)(out) => glycine(in) + na(+)(in)
label: glycine(out) + Na(+)(out) => glycine(in) + Na(+)(in)
label_lc: glycine(out) + na(+)(out) => glycine(in) + na(+)(in)