| P18187 | n/a | 1frf | SF4 | S | 267 | e1frfS1 | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | Fe-S cluster-binding domain in nickel-iron hydrogenase small subunit | NiFe_hyd_SSU_C |
| P18187 | n/a | 1frf | SF4 | S | 267 | e1frfS2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 1yqw | SF4 | A | 267 | e1yqwA2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 1yqw | SF4 | B | 267 | e1yqwB2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 1yqw | SF4 | C | 267 | e1yqwC2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 1yrq | SF4 | A | 267 | e1yrqA2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 1yrq | SF4 | B | 267 | e1yrqB2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 1yrq | SF4 | C | 267 | e1yrqC2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 1yrq | SF4 | D | 267 | e1yrqD2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 1yrq | SF4 | F | 267 | e1yrqF2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 1yrq | SF4 | G | 267 | e1yrqG2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 3cur | SF4 | A | 267 | e3curA2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 3cur | SF4 | B | 267 | e3curB2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 3cur | SF4 | C | 267 | e3curC2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 3cus | SF4 | A | 267 | e3cusA2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 3cus | SF4 | B | 267 | e3cusB2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 3cus | SF4 | C | 267 | e3cusC2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 3h3x | SF4 | A | 267 | e3h3xA2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 3h3x | SF4 | B | 267 | e3h3xB2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 3h3x | SF4 | C | 267 | e3h3xC2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4ucx | SF4 | A | 1267 | e4ucxA1 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4ucx | SF4 | B | 1267 | e4ucxB2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4ucx | SF4 | C | 1267 | e4ucxC2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4uew | SF4 | A | 1267 | e4uewA1 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4uew | SF4 | B | 1267 | e4uewB2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4uew | SF4 | C | 1267 | e4uewC1 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4upe | SF4 | A | 1267 | e4upeA2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4upe | SF4 | B | 1267 | e4upeB2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4upe | SF4 | C | 1267 | e4upeC2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4uqp | SF4 | A | 1267 | e4uqpA2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |
| P18187 | n/a | 4uqp | SF4 | B | 1267 | e4uqpB2 | Flavodoxin-like | Class I glutamine amidotransferase-like | CheY-like | Oxidored_q6 |