| H | Cytochrome_CBB3 | e2gc4H1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrome_CBB3 | ECOD (1.6) |
| L | Cytochrome_CBB3 | e2gc4L1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrome_CBB3 | ECOD (1.6) |
| P | Cytochrome_CBB3 | e2gc4P1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrome_CBB3 | ECOD (1.6) |
| D | Cytochrome_CBB3 | e2gc4D1 | A: alpha arrays | X: Cytochrome c-like | H: Cytochrome c (From Topology) | T: Cytochrome c | F: Cytochrome_CBB3 | ECOD (1.6) |
| K | Copper-bind | e2gc4K1 | A: beta sandwiches | X: Cupredoxin-like | H: Cupredoxin-related (From Topology) | T: Cupredoxin-related | F: Copper-bind | ECOD (1.6) |
| O | Copper-bind | e2gc4O1 | A: beta sandwiches | X: Cupredoxin-like | H: Cupredoxin-related (From Topology) | T: Cupredoxin-related | F: Copper-bind | ECOD (1.6) |
| G | Copper-bind | e2gc4G1 | A: beta sandwiches | X: Cupredoxin-like | H: Cupredoxin-related (From Topology) | T: Cupredoxin-related | F: Copper-bind | ECOD (1.6) |
| C | Copper-bind | e2gc4C1 | A: beta sandwiches | X: Cupredoxin-like | H: Cupredoxin-related (From Topology) | T: Cupredoxin-related | F: Copper-bind | ECOD (1.6) |
| B | Me-amine-dh_L | e2gc4B1 | A: few secondary structure elements | X: Methylamine dehydrogenase, L chain (From Topology) | H: Methylamine dehydrogenase, L chain (From Topology) | T: Methylamine dehydrogenase, L chain | F: Me-amine-dh_L | ECOD (1.6) |
| F | Me-amine-dh_L | e2gc4F1 | A: few secondary structure elements | X: Methylamine dehydrogenase, L chain (From Topology) | H: Methylamine dehydrogenase, L chain (From Topology) | T: Methylamine dehydrogenase, L chain | F: Me-amine-dh_L | ECOD (1.6) |
| N | Me-amine-dh_L | e2gc4N1 | A: few secondary structure elements | X: Methylamine dehydrogenase, L chain (From Topology) | H: Methylamine dehydrogenase, L chain (From Topology) | T: Methylamine dehydrogenase, L chain | F: Me-amine-dh_L | ECOD (1.6) |
| J | Me-amine-dh_L | e2gc4J1 | A: few secondary structure elements | X: Methylamine dehydrogenase, L chain (From Topology) | H: Methylamine dehydrogenase, L chain (From Topology) | T: Methylamine dehydrogenase, L chain | F: Me-amine-dh_L | ECOD (1.6) |
| A | Me-amine-dh_H | e2gc4A1 | A: beta duplicates or obligate multimers | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Me-amine-dh_H | ECOD (1.6) |
| I | Me-amine-dh_H | e2gc4I1 | A: beta duplicates or obligate multimers | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Me-amine-dh_H | ECOD (1.6) |
| M | Me-amine-dh_H | e2gc4M1 | A: beta duplicates or obligate multimers | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Me-amine-dh_H | ECOD (1.6) |
| E | Me-amine-dh_H | e2gc4E1 | A: beta duplicates or obligate multimers | X: beta-propeller-like | H: beta-propeller | T: 7-bladed | F: Me-amine-dh_H | ECOD (1.6) |