Family M1: distribution among Archaea

Organisms named in bold type are those for which the genomes have been completely sequenced.
Organism Counts of peptidase homologues
Acidianus hospitalis 2
Acidilobus saccharovorans 1
Caldivirga maquilingensis 2
Candidatus Caldiarchaeum subterraneum 1
Candidatus Micrarchaeum acidiphilum 2
Candidatus Nitrosoarchaeum koreensis 2
Candidatus Nitrosoarchaeum limnia 1
Candidatus Nitrosopumilus salaria 1
Cenarchaeum symbiosum 1
Metallosphaera cuprina 1
Metallosphaera sedula 2
Metallosphaera yellowstonensis 2
Methanococcoides burtonii 1
Methanocorpusculum labreanum 1
Methanoculleus marisnigri 1
Methanofollis liminatans 1
Methanohalobium evestigatum 1
Methanohalophilus mahii 1
Methanoplanus limicola 1
Methanosalsum zhilinae 1
Methanosarcina barkeri 2
Methanosarcina thermophila 1
Nitrosopumilus maritimus 1
Pyrobaculum arsenaticum 1
Pyrobaculum calidifontis 1
Pyrobaculum islandicum 1
Pyrobaculum oguniense 1
Pyrobaculum sp. 1860 1
Pyrococcus furiosus 1
Pyrococcus sp. NA2 3
Sulfolobus acidocaldarius 1
Sulfolobus islandicus 3
Thermococcus barophilus 3
Thermococcus gammatolerans 1
Thermococcus kodakarensis 1
Thermococcus litoralis 4
Thermococcus onnurineus 1
Thermococcus sp. 4557 1
Thermofilum pendens 2
Thermoplasma acidophilum 2
Thermoproteus neutrophilus 1
Thermoproteus tenax 2
Thermoproteus uzoniensis 1
uncultured archaeon 2
uncultured marine crenarchaeote HF4000_APKG7F19 1
uncultured marine crenarchaeote KM3-47-D6 1
Vulcanisaeta distributa 2
Vulcanisaeta moutnovskia 2
Archaea with completed genomes lacking homologues
Aciduliprofundum boonei
Aeropyrum pernix
Archaeoglobus fulgidus
Archaeoglobus profundus
Archaeoglobus veneficus
Candidatus Korarchaeum cryptofilum
Candidatus Methanoregula boonei
Desulfurococcus fermentans
Desulfurococcus kamchatkensis
Desulfurococcus mucosus
Ferroglobus placidus
Ferroplasma acidarmanus
Fervidicoccus fontis
Haladaptatus paucihalophilus
Halalkalicoccus jeotgali
Haloarcula hispanica
Haloarcula marismortui
Halobacterium salinarum
Halobacterium sp. DL1
Haloferax volcanii
Halogeometricum borinquense
Halomicrobium mukohataei
halophilic archaeon DL31
Halopiger xanaduensis
Haloquadratum walsbyi
Halorhabdus utahensis
Halorubrum lacusprofundi
Haloterrigena turkmenica
Hyperthermus butylicus
Ignicoccus hospitalis
Ignisphaera aggregans
Methanobacterium sp. AL-21
Methanobacterium sp. SWAN-1
Methanobrevibacter ruminantium
Methanobrevibacter smithii
Methanocaldococcus fervens
Methanocaldococcus infernus
Methanocaldococcus jannaschii
Methanocaldococcus sp. FS406-22
Methanocaldococcus vulcanius
Methanocella paludicola
Methanococcus aeolicus
Methanococcus maripaludis
Methanococcus vannielii
Methanococcus voltae
Methanoplanus petrolearius
Methanopyrus kandleri
Methanosaeta concilii
Methanosaeta thermophila
Methanosarcina acetivorans
Methanosarcina mazei
Methanosphaera stadtmanae
Methanosphaerula palustris
Methanospirillum hungatei
Methanothermobacter marburgensis
Methanothermobacter thermautotrophicus
Methanothermococcus okinawensis
Methanothermus fervidus
Methanotorris igneus
Nanoarchaeum equitans
Natrialba magadii
Natronomonas pharaonis
Picrophilus torridus
Pyrobaculum aerophilum
Pyrococcus abyssi
Pyrococcus horikoshii
Pyrococcus yayanosii
Pyrolobus fumarii
Staphylothermus hellenicus
Staphylothermus marinus
Sulfolobus solfataricus
Sulfolobus tokodaii
Thermococcus sibiricus
Thermococcus sp. AM4
Thermoplasma volcanium
Thermosphaera aggregans