| Q50LF0 | DB14546 | 1vrq | SO4 | A | 2013 | e1vrqA5 | beta-Grasp | Ubiquitin-related | Ubiquitin-like | Fer2_4 |
| Q50LF0 | DB14546 | 1vrq | SO4 | B | 2006 | e1vrqA4 | HTH | bacterioferritin-associated ferredoxin | bacterioferritin-associated ferredoxin | SO_alpha_A3 |
| Q50LF0 | DB14546 | 1x31 | SO4 | A | 2008 | e1x31A8 | Rossmann-like | Rossmann-related | Nucleotide-binding domain | Pyr_redox_2 |
| Q50LF0 | DB14546 | 1x31 | SO4 | B | 2007 | e1x31A4 | HTH | bacterioferritin-associated ferredoxin | bacterioferritin-associated ferredoxin | SO_alpha_A3 |
| Q50LF0 | DB14546 | 1x31 | SO4 | C | 2005 | e1x31A8 | Rossmann-like | Rossmann-related | Nucleotide-binding domain | Pyr_redox_2 |
| Q50LF0 | DB14546 | 3ad7 | SO4 | A | 2571 | e3ad7A3 | cradle loop barrel | RIFT-related | Aminomethyltransferase beta-barrel domain | GCV_T_C |
| Q50LF0 | DB14546 | 3ad8 | SO4 | A | 2509 | e3ad8A8 | Alpha-beta plaits | Aminomethyltransferase folate-binding domain | Aminomethyltransferase folate-binding domain | GCV_T |
| Q50LF0 | DB14546 | 3ad8 | SO4 | B | 2511 | e3ad8A4 | HTH | bacterioferritin-associated ferredoxin | bacterioferritin-associated ferredoxin | SO_alpha_A3 |
| Q50LF0 | DB14546 | 3ad9 | SO4 | A | 2567 | e3ad9A6 | Rossmann-like | Rossmann-related | Nucleotide-binding domain | Pyr_redox_2 |
| Q50LF0 | DB14546 | 3ada | SO4 | A | 2567 | e3adaA6 | Rossmann-like | Rossmann-related | Nucleotide-binding domain | Pyr_redox_2 |