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Property Organism Value Units ID Details
Motility speed of archaea Halobacterium halobium Archaea Halobacterium halobium 2.94 (±0.34) µm/sec 111147 Marwan W, Alam M, Oesterhelt...
Number of PPRs [proton-pumping rhodopsins] in specialized purple membrane Archaea Halobacterium salinarum >100,000 PPRs/cell 111697 Claassens NJ, Volpers M...
Diameter of bacteriorhodopsin Bacteria halobacterium halobium 4.3 (±0.5) nm 103735 Peters R, Cherry RJ....
Fraction of genome constituted of highly divergent prophage remnants Archaea Halobacterium sp. NRC-1 22 % 116993 Ramisetty BCM, Sudhakari...
Quantum efficiency of bacteriorhodopsin Archaea Halobacterium salinarum ~60 % 111310 Claassens NJ, Volpers M...
Archaeal species, selected features, and genome copy numbers in exponential and stationary growth phases Archaea Table - link N/A 106687 Hildenbrand C, Stock T...
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...
Cell diameter in culture (largest reported archaea) Archaea Staphylothermus marinus ≤15 μm 110070 Schulz HN, Jorgensen...
Concentration of ions within cell Archaea Haloarcula marismortui Table - link N/A 104913 Yonath A., The search...
Median protein length of 15 archaeal species Archaea 247 (Table - link) Amino acids 106451 Brocchieri L, Karlin...
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...
Swimming characteristics of various species of Archaea and E. coli prokaryote Table - link N/A 107650 Herzog & Wirth, 2012....
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...
Concentration of methanogens in the human gastrointestinal tract Archaea 1e+10 methanogens/gram of stool sample 106261 Cavicchioli R, Curmi PM...
Dimensions of hami (singular hamus, archaeal cell surface appendage) Archaea length 1µm - 3µm: diameter 7nm - 8nm N/A 116400 Ng SY, Zolghadr B, Driessen...
Mg2+ concentration Archeae Halobacterium cutirubrum 30 to 100 mM 106596 Fagerbakke KM, Norland S...
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...