| P33120 | n/a | 1bi0 | ZN | A | 291 | e1bi0A2 | HTH | HTH | winged helix domain | Fe_dep_repress |
| P33120 | n/a | 1bi0 | ZN | A | 291 | e1bi0A3 | Iron-dependent repressor protein, dimerization domain | Iron-dependent repressor protein, dimerization domain | Iron-dependent repressor protein, dimerization domain | Fe_dep_repr_C |
| P33120 | n/a | 1bi3 | ZN | A | 291 | e1bi3A2 | HTH | HTH | winged helix domain | Fe_dep_repress |
| P33120 | n/a | 1bi3 | ZN | A | 291 | e1bi3A3 | Iron-dependent repressor protein, dimerization domain | Iron-dependent repressor protein, dimerization domain | Iron-dependent repressor protein, dimerization domain | Fe_dep_repr_C |
| P33120 | n/a | 1bi3 | ZN | B | 1291 | e1bi3B2 | Iron-dependent repressor protein, dimerization domain | Iron-dependent repressor protein, dimerization domain | Iron-dependent repressor protein, dimerization domain | Fe_dep_repr_C |
| P33120 | n/a | 1fwz | ZN | A | 301 | e1fwzA3 | Iron-dependent repressor protein, dimerization domain | Iron-dependent repressor protein, dimerization domain | Iron-dependent repressor protein, dimerization domain | Fe_dep_repr_C |
| P33120 | n/a | 1g3y | ZN | A | 301 | e1g3yA2 | HTH | HTH | winged helix domain | Fe_dep_repress |
| P33120 | n/a | 1g3y | ZN | A | 301 | e1g3yA3 | Iron-dependent repressor protein, dimerization domain | Iron-dependent repressor protein, dimerization domain | Iron-dependent repressor protein, dimerization domain | Fe_dep_repr_C |