| D [auth MMM] | Beta-lactamase | e6srxMMM1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Aspartate/ornithine carbamoyltransferase | F: Beta-lactamase | ECOD (v295.2) |
| B [auth LLL] | Beta-lactamase | e6srxLLL1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Aspartate/ornithine carbamoyltransferase | F: Beta-lactamase | ECOD (v295.2) |
| C [auth III] | Beta-lactamase | e6srxIII1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Aspartate/ornithine carbamoyltransferase | F: Beta-lactamase | ECOD (v295.2) |
| A [auth HHH] | Beta-lactamase | e6srxHHH1 | A: alpha arrays | X: putative RnfG subunit of electron transport complex | H: putative RnfG subunit of electron transport complex | T: Aspartate/ornithine carbamoyltransferase | F: Beta-lactamase | ECOD (v295.2) |