| D | EF-hand_8 | e5gk0D2 | A: alpha arrays | X: EF-hand | H: EF-hand-related | T: EF-hand | F: EF-hand_8 | ECOD (v295.2) |
| D | IDH | e5gk0D3 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: IDH | ECOD (v295.2) |
| C | IDH | e5gk0C1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: IDH | ECOD (v295.2) |
| B | IDH | e5gk0B1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: IDH | ECOD (v295.2) |
| A | AMP-binding | e5gk0A1 | A: alpha arrays | X: Four-helical up-and-down bundle | H: RelE-like | T: RelE-like | F: AMP-binding | ECOD (v295.2) |
| A | IDH | e5gk0A2 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Class I glutamine amidotransferase-like | F: IDH | ECOD (v295.2) |