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Table 1 Genome sizes, protein numbers and GC content of sequenced archaeal strains.

From: Phylogenomic analysis of proteins that are distinctive of Archaea and its main subgroups and the origin of methanogenesis

  Strain Name Order Temperature Range Genome Size (Mb) GC content (%) Protein Number
Crenarchaeota Pyrobaculum aerophilum str. IM2 Thermoproteales H 2.22 52 2,605
  Aeropyrum pernix K1 Desulfurococcales H 1.67 67 1,841
  Sulfolobus acidocaldarius DSM 639 Sulfolobales A 2.23 36.7 2,223
  Sulfolobus solfataricus P2 Sulfolobales A 2.99 35.8 2,977
  Sulfolobus tokodaii str. 7 Sulfolobales A 2.69 32.8 2,825
Euryarchaeota Thermococcus kodakarensis KOD1 Thermococcales H 2.09 52 2,306
  Pyrococcus abyssi GE5 Thermococcales H 1.77 42 1,898
  Pyrococcus horikoshii OT3 Thermococcales H 1.74 42 1,955
  Pyrococcus furiosus DSM 3638 Thermococcales H 1.91 42 2,125
  Methanopyrus kandleri AV19 Methanopyrales H 1.69 60 1,687
  Methanothermobacter thermautotrophicus* Methanobacteriales T 1.75 49.5 1,873
  Methanosphaera stadtmanae DSM 3091 Methanobacteriales M 1.77 27.6 1,534
  Methanococcus maripaludis S2 Methanococcales M 1.66 33.1 1,722
  Methanocaldococcus jannaschii DSM 2661 Methanococcales H 1.74 31.3 1,786
  Methanospirillum hungatei JF-1 Methanomicrobiales M 3.54 45.2 3,139
  Methanosaeta thermophila PT Methanosarcinales T 1.9 53.5 1,696
  Methanococcoides burtonii DSM 6242 Methanosarcinales M 2.58 45.8 2,273
  Methanosarcina acetivorans C2A Methanosarcinales M 5.75 42.7 4,540
  Methanosarcina mazei Go1 Methanosarcinales M 4.10 41.5 3,370
  Methanosarcina barkeri str. fusaro Methanosarcinales M 4.87 39.2 3,624
  Archaeoglobus fulgidus DSM 4304 Archaeoglobales H 2.18 46 2,420
  Halobacterium sp. NRC-1 Halobacteriales M 2.57 65.9 2,622
  Haloarcula marismortui ATCC 43049 Halobacteriales M 4.27 61.1 4,240
  Haloquadratum walsbyi DSM 16790 Halobacteriales M 3.18 47.9 2,646
  Natronomonas pharaonis DSM 2160 Halobacteriales M 2.75 63.1 2,822
  Picrophilus torridus DSM 9790 Thermoplasmatales A 1.55 36 1,535
  Thermoplasma acidophilum DSM 1728 Thermoplasmatales A 1.56 50 1,482
  Thermoplasma volcanium GSS1 Thermoplasmatales A 1.58 50 1,499
  Nanoarchaeum equitans Kin4-M N/A H 0.49 31.6 536
  1. Abbreviations for temperature range: H-hyperthermophilic; T-thermophilic; M-mesophilic; A-thermoacidophilic. * is strain M. thermautotrophicus str. Delta H.