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Property Organism Value Units ID Details
Calculated hydrogen bond energies (kcal/mol) in some gas-phase dimers Generic 0.2 - 39.0 Table - link kcal/mol 111240 Steiner T. The hydrogen...
Hydrogen peroxide production rate in thylakoid membrane Spinach Spinacia oleracea 0.21 μmol/((mg of chlorophyl)*hour) 103381 Takahashi M, Asada K....
elemental composition - percent hydrogen in dry mass Bacteria Escherichia coli 8 Percent 100652 Physiology of the Bacterial...
Extracellular H2O2 (hydrogen peroxide) concentration required to activate the OxyR regulon Bacteria Escherichia coli 1 μM 112949 Imlay JA. The molecular...
Hydrogen bond strength in Adenine-Thymine & Guanine-Cytosine base pairs Generic A-T -12.1: C-G -21.0 kcal/mol 111236 C.F. Guerra, F.M. Bickelhaupt...
Standard redox potential of 2H+ + 2e/Hydrogen half cell Unspecified -420 mV 104407 Harold L. Drake, Kirsten...
Strength of hydrogen bonds among backbone amide and carbonyl groups in proteins Unspecified 1 – 4 kcal/mol 114427 Dill KA, Ozkan SB, Shell MS...
Hydrogen bond length between water and hydronium ion (H3O+) Generic 2.5 Å 106700 Noam Agmon, The Grotthuss...
Effect on electron acceptor on the threshold of Hydrogen in different hydrogenophilic bacteria growing on organic substrates or Hydrogen bacteria Table - link N/A 104557 Ralf Cord-Ruwisch, H...
Dehydrogenations-electron-donating, formally hydrogen-forming reactions of energy metabolism Generic Table - link N/A 104506 Thauer RK, Jungermann K...
Intracellular H2O2 (hydrogen peroxide) levels result in (and see comments section): Bacteria Escherichia coli OxyR system is calibrated when H2O2 reaches ~200nM: growth defects become evident at 400nM nM 112947 Imlay JA. The molecular...
Present-day loss of hydrogen and helium from atmosphere to outer space Biosphere hydrogen ≈3: helium 0.05 kg/sec 111477 Catling DC, Zahnle KJ....
Contribution of hydrogen bonding to selectivity of DNA polymerase Unspecified <=40 Fold 103482 Hani S. Zaher and Rachel...
Generation of hydrogen in serpentinizing geological settings (H2 abundance) Biosphere ≥10 mmol/kg 112444 Schönheit P, Buckel W...
Time scale for hydrogen bond rearrangements in water Unspecified 1E-11 sec 103757 "Physical Biology of...
Aggregate rate of H2O2 [hydrogen peroxide] formation in aerobic E. coli and O2− [superoxide] formation rate Bacteria Escherichia coli H2O2 formation rate 10–15 μM per second: O2− formation rate ~5 μM per second μM per second 112943 Imlay JA. The molecular...
Changes of Gibbs free energies under standard conditions in hydrogen-releasing reactions during fermentation of amino acids Generic Table - link kJ/mol rct 108745 Stanley Falkow, Eugene...
Km for hydrogen ion inward current with folate transporter Mouse Mus musculus 1.2 (±0.1) µM 102595 Umapathy NS, Gnana-Prakasam...
Km for hydrogen ion inward current with methhotrexate as substrate Mouse Mus musculus 4.6 (±0.5) µM 102596 Umapathy NS, Gnana-Prakasam...
Changes of Gibbs free energies under standard conditions in hydrogen-releasing reactions during oxidation of fermentation intermediates Generic Table - link N/A 108747 Stanley Falkow, Eugene...