| [A] Metallosphaera sedula (strain ATCC 51363 / DSM 5348) | METS501401 | A4YGM6 | Glycoside hydrolase 15-related |
| [A] Sulfolobus acidocaldarius | SULAC01110 | Q4J9I5 | O-glycosyl hydrolase glycosyl hydrolase |
| [A] Sulfolobus islandicus (strain L.S.2.15 / Lassen #1) | SULIL01162 | C3MPL6 | |
| [A] Sulfolobus islandicus (strain M.14.25 / Kamchatka #1) | SULIM01086 | C3MYK8 | |
| [A] Sulfolobus islandicus (strain M.16.27) | SULIA01133 | C3N593 | |
| [A] Sulfolobus islandicus (strain Y.G.57.14 / Yellowstone #1) | SULIY01172 | C3NDU7 | |
| [A] Sulfolobus islandicus (strain Y.N.15.51 / Yellowstone #2) | SULIN01498 | C3NHV5 | |
| [A] Sulfolobus solfataricus | SULSO00895 | C5SUW9 | Glucan 1,4 alpha glucosidase |
| [A] Sulfolobus tokodaii | SULTO00885 | Q973T2 | hypothetical protein |
| [A] Methanococcus aeolicus (strain Nankai-3 / ATCC BAA-1280) | META300010 | A6USY1 | Glycoside hydrolase 15-related |
| [A] Methanococcus maripaludis | METMP01292 | Q6LXQ7 | Glucan 1,4-alpha-glucosidase |
| [A] Methanococcus maripaludis (strain C5 / ATCC BAA-1333) | METM500299 | A4FWP2 | Glycoside hydrolase 15-related |
| [A] Methanococcus maripaludis (strain C6 / ATCC BAA-1332) | METM601368 | A9AA22 | Glycoside hydrolase 15-related |
| [A] Methanococcus maripaludis (strain C7 / ATCC BAA-1331) | METM700531 | A6VGM9 | Glycoside hydrolase 15-related |
| [A] Methanococcus vannielii (strain SB / ATCC 35089 / DSM 1224) | METVS00590 | A6UPT6 | Glycoside hydrolase 15-related |
| [A] Methanococcoides burtonii (strain DSM 6242) | METBU00476 | Q12YG9 | Glycoside hydrolase 15-related |
| [A] Picrophilus torridus | PICTO01492 | Q6KYX5 | Glucoamylase |
| [A] Thermoplasma volcanium | THEVO00428 | Q97BM7 | Glucoamylase |
| [B] Sulfurihydrogenibium sp. (strain YO3AOP1) | SULSY00687 | B2V8S2 | Glycoside hydrolase 15-related |