Table 2.
Subunit homology of Pyrococcus furiosus membrane bound hydrogenase (MBH), membrane bound sulfane sulfur reductase (MBS), and multiple resistance and pH (Mrp) and Bacillus subtilis Mrp.
| Proposed MBH module | Pyrococcus furiosus MBH complex | Pyrococcus furiosus MBS complex | Bacillus subtilis Mrp complex | Pyrococcus furiosus Mrp Complex |
|---|---|---|---|---|
| Membrane-anchored hydrogenase module | MbhJ | MbsJ | - | - |
| MbhK | MbsK | - | - | |
| MbhL | MbsL | - | - | |
| MbhN | MbsN | - | - | |
| MbhM | MbsM | - | - | |
| - | - | MbsH’ N-terminal TM1-14 | MrpA TM1-16 | - |
| - | MbhI N-terminala | MbsH’ C-terminal TM 15-16 | - | - |
| - | MbhI C-terminalb | - | - | |
| Proton translocation module | MbhDc | MbsD | MrpA TM17-21 | MrpB |
| MbhEc | MbsE N-terminal | |||
| MbhG | MbsG | MrpC | MrpC | |
| MbhH | MbsH | MrpD | MrpD | |
| Sodium translocation module | MbhF | MbsE C-terminal | MrpB | MrpB’ |
| MbhA | MbsA | MrpE | MrpE | |
| MbhB | MbsB | MrpF | MrpF | |
| MbhC | MbsC | MrpG | MrpG |