4QK8|1|A|2BA|201 2BA 4QK8|1|A|2BA|202 2BA 4QK8|1|A|SO4|208 SO4 4QK8|1|A|K|205 K ion 4QK8|1|A|MG|203 MG ion 4QK8|1|A|MG|204 MG ion 4QK8|1|A|MG|206 MG ion 4QK8|1|A|MG|207 MG ion