| A0KY72 | HTPX_SHESA | Shewanella sp. (strain ANA-3) | htpX Shewana3_2512 | Detail |
| A8FX04 | HTPX_SHESH | Shewanella sediminis (strain HAW-EB3) | htpX Ssed_2770 | Detail |
| B2U471 | HTPX_SHIB3 | Shigella boydii serotype 18 (strain CDC 3083-94 / BS512) | htpX SbBS512_E2097 | Detail |
| Q9RKN3 | HTPX1_STRCO | Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) | htpX1 SCO2202 SC3H12.10 SCC78.03 | Detail |
| Q0HHP5 | HTPX_SHESM | Shewanella sp. (strain MR-4) | htpX Shewmr4_2351 | Detail |
| Q973R2 | HTPX1_SULTO | Sulfurisphaera tokodaii (strain DSM 16993 / JCM 10545 / NBRC 100140 / 7) (Sulfolobus tokodaii) | htpX1 STK_08360 | Detail |
| Q8PXI2 | HTPX1_METMA | Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88) (Methanosarcina frisia) | htpX1 MM_1236 | Detail |
| Q8TP15 | HTPX2_METAC | Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 / C2A) | htpX2 MA_2111 | Detail |
| Q32F28 | HTPX_SHIDS | Shigella dysenteriae serotype 1 (strain Sd197) | htpX SDY_1977 | Detail |
| Q9F2V2 | HTPX2_STRCO | Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) | htpX2 SCO4609 SCD39.09 | Detail |