| D | Ribosomal_L27A, Ribosomal_L18 | e7zz3D1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Ribosomal_L27A, Ribosomal_L18 | ECOD (v295) |
| C | Ribosomal_L27A, Ribosomal_L18 | e7zz3C1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Ribosomal_L27A, Ribosomal_L18 | ECOD (v295) |
| B | Ribosomal_L27A, Ribosomal_L18 | e7zz3B1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Ribosomal_L27A, Ribosomal_L18 | ECOD (v295) |
| A | Ank+TRP_2+Ank_2 | e7zz3A1 | A: alpha arrays | X: cradle loop barrel | H: Cytochrome P450 | T: Cytochrome P450 | F: Ank+TRP_2+Ank_2 | ECOD (v295) |