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Property Organism Value Units ID Details
Energy of a single hydrogen bond in bulk water Generic 7.9 (Table - link) kJ/mol 101066 Markovitch O, Agmon N....
Time scale for hydrogen bond rearrangements in water Unspecified 1E-11 sec 103757 "Physical Biology of...
Strength of hydrogen bond from NH to N in anion Generic 59 kJ/mol 101068 George A. Jeffrey, An...
Standard redox potential of 2H+ + 2e/Hydrogen half cell Unspecified -420 mV 104407 Harold L. Drake, Kirsten...
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...
Contribution of hydrogen bonding to selectivity of DNA polymerase Unspecified <=40 Fold 103482 Hani S. Zaher and Rachel...
Hydrogen peroxide production rate in thylakoid membrane Spinach Spinacia oleracea 0.21 μmol/((mg of chlorophyl)*hour) 103381 Takahashi M, Asada K....
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...
Energetic contribution of one protein-base hydrogen bond Generic ~6.3 kJ/mol 101572 Facilitated distortion...
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....
Km for hydrogen ion inward current with folate transporter Mouse Mus musculus 1.2 (±0.1) µM 102595 Umapathy NS, Gnana-Prakasam...
Generation of hydrogen in serpentinizing geological settings (H2 abundance) Biosphere ≥10 mmol/kg 112444 Schönheit P, Buckel W...
Extracellular H2O2 (hydrogen peroxide) concentration required to activate the OxyR regulon Bacteria Escherichia coli 1 μM 112949 Imlay JA. The molecular...
Km for hydrogen ion inward current with methhotrexate as substrate Mouse Mus musculus 4.6 (±0.5) µM 102596 Umapathy NS, Gnana-Prakasam...
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...
The capacity of hydrogenotrophic anaerobic bacteria to compete for traces of hydrogen bacteria Table - link N/A 104556 Ralf Cord-Ruwisch, H...
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...
Typical range of kcat/Km (rate constants) for reactions between H2O2 (hydrogen peroxide) and the dehydratases and mononuclear enzymes and half-time for enzyme inactivation by H2O2 Bacteria Escherichia coli kcat/Km 10^3 to 10^4M^−1×s^−1: half-time for enzyme inactivation 20min N/A 112945 Imlay JA. The molecular...
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...