| [A] Cenarchaeum symbiosum | CENSY00571 | A0RV56 | Glucose-6-phosphate isomerase |
| [A] Nitrosopumilus maritimus (strain SCM1) | NITMS00163 | A9A1U2 | Transcriptional regulator, RpiR family |
| [A] Thermofilum pendens (strain Hrk 5) | THEPD00652 | A1RXY2 | Bifunctional phosphoglucose/phosphomannose isomerase |
| [A] Picrophilus torridus | PICTO01226 | Q6KZP1 | Glucose/mannose-6-phosphate isomerase |
| [A] Thermoplasma acidophilum | THEAC01393 | PGMI_THEAC | Bifunctional phosphoglucose/phosphomannose isomerase |
| [A] Thermoplasma volcanium | THEVO01460 | PGMI_THEVO | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Aquifex aeolicus | AQUAE00529 | PGMI_AQUAE | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Hydrogenobaculum sp. (strain Y04AAS1) | HYDS000162 | B4U6U3 | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Amoebophilus asiaticus (strain 5a2) | AMOA500920 | B3ET58 | Putative uncharacterized protein precursor |
| [B] Chloroherpeton thalassium (strain ATCC 35110 / GB-78) | CHLT302448 | B3QXK7 | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Dehalococcoides ethenogenes (strain 195) | DEHE100451 | Q3Z946 | identified by similarity to GP:1208896; match to protein family HMM TIGR02128 SIS domain protein |
| [B] Dehalococcoides sp. (strain BAV1) | DEHSB00464 | A5FRW1 | Mannose-6-phosphate isomerase , glucose-6- phosphate isomerase |
| [B] Dehalococcoides sp. (strain CBDB1) | DEHSC00394 | Q3ZZP0 | SIS domain protein |
| [B] Dictyoglomus thermophilum (strain ATCC 35947 / DSM 3960 / H-6-12) | DICT601114 | B5YEP3 | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Dictyoglomus turgidum (strain Z-1310 / DSM 6724) | DICTD01207 | B8E0A4 | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Brevibacillus brevis (strain 47 / JCM 6285 / NBRC 100599) | BREBN05749 | C0Z9T4 | Putative glucose-6-phosphate isomerase |
| [B] Anaerocellum thermophilum (strain DSM 6725 / Z-1320) | ANATD00570 | PGMI_ANATD | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Desulforudis audaxviator (strain MP104C) | DESAP00284 | B1I0X3 | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Caldicellulosiruptor saccharolyticus (strain ATCC 43494 / DSM 8903) | CALS801084 | A4XIQ5 | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Syntrophomonas wolfei subsp. wolfei (strain Goettingen) | SYNWW00245 | Q0B095 | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Halothermothrix orenii (strain H 168 / OCM 544 / DSM 9562) | HALOH02237 | B8D166 | Phosphoglucose/phosphomannose isomerase |
| [B] Moorella thermoacetica (strain ATCC 39073) | MOOTA00593 | Q2RKU9 | Bifunctional phosphoglucose/phosphomannose isomerase |
| [B] Coprothermobacter proteolyticus (strain ATCC 35245 / DSM 5265 / BT) | COPPD01231 | B5YA06 | Putative uncharacterized protein |