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Property Organism Value Units ID Details
Fraction of all anaerobes in the colon of healthy human adults that is M. smithii, the most common archaeon in human gut Archaea Methanobrevibacter smithii ≤10 % 107457 Lurie-Weinberger MN, Peeri M...
Fraction of the coding genes of M. smithii that are inferred to be bacterial in origin Archaea Methanobrevibacter smithii ~17 % 107458 Lurie-Weinberger MN, Peeri M...
Concentration of methanogens in the human gastrointestinal tract Archaea 1e+10 methanogens/gram of stool sample 106261 Cavicchioli R, Curmi PM...
Fraction of gut microbiota that are Firmicutes and Bacteroidetes Human Homo sapiens >90 % 107456 Lurie-Weinberger MN, Peeri M...
Motility speed of archaea Halobacterium halobium Archaea Halobacterium halobium 2.94 (±0.34) µm/sec 111147 Marwan W, Alam M, Oesterhelt...
Cell diameter in culture (largest reported archaea) Archaea Staphylothermus marinus ≤15 μm 110070 Schulz HN, Jorgensen...
Size of disk-shaped cells (smallest reported archaea) Archaea Thermodiscus spp. diameter ≥0.2μm: disk-thickness 0.1–0.2μm μm 110071 Schulz HN, Jorgensen...
Number of archaea species catalogued in a central database as of 2011 and number of predicted species on Earth Archaea Catalogued 502 Predicted 455 Table - link species 109322 Mora C, Tittensor DP...
rRNA database of bacteria and archaea prokaryote Data base - link N/A 104390 Stoddard SF, Smith BJ...
Reaction and standard changes in free energies for methanogenesis Archaea Table - link N/A 104555 Garcia JL, Patel BK,...
Free energies and typical organisms of methanogenesis reactions Archaea Table - link N/A 104548 Liu Y, Whitman WB. Metabolic...
Number of archaeal cells estimated to be in the oceans (approximately one third the number of bacterial cells) Archaea 1.3E+28 Unitless 106262 Cavicchioli R, Curmi PM...
Number of crenarchaeota cells estimated to be in the oceans (20% of all the picoplankton cells) Archaea 1E+28 Unitless 106264 Karner MB, DeLong EF...
Median protein length of 15 archaeal species Archaea 247 (Table - link) Amino acids 106451 Brocchieri L, Karlin...
Archaeal species, selected features, and genome copy numbers in exponential and stationary growth phases Archaea Table - link N/A 106687 Hildenbrand C, Stock T...
Half-lives (t1/2) of aminoacyl-tRNAs at pH 7.5 Archaea Table - link N/A 107982 Stepanov VG, Nyborg J....
Dimensions of hami (singular hamus, archaeal cell surface appendage) Archaea length 1µm - 3µm: diameter 7nm - 8nm N/A 116400 Ng SY, Zolghadr B, Driessen...
Fraction of deep sea organisms that are archaea Biosphere 40 % 106621 Copley J. All at sea....
Swimming characteristics of various species of Archaea and E. coli prokaryote Table - link N/A 107650 Herzog & Wirth, 2012....
PSORTdb: a protein subcellular localization database for bacteria and archaea prokaryote Database - link N/A 105610 Rey S, Acab M, Gardy JL...