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Property Organism Value Units ID Details
Radius of Potassium ion Generic 1.33 Angstrom 104163 Stein, Wilfred D., Transport...
Concentration of sodium ion (Na+) and calcium ion (Ca2+) Bacteria Escherichia coli sodium ~5: calcium ~0.1 mM 115775 Theillet FX et al., ...
Summary of ion selectivity experiments Snail Helix roseneri Table - link N/A 109171 H. Reuter and C.F. Stevens...
Radius of Calcium ion Biosphere 0.99 Angstrom 104164 Stein, Wilfred D., Transport...
Intracellular K+ (potassium ion) Microbes 300 - 700 mM 112288 Martinac B, Saimi Y,...
Cytoplasmic concentration of K+ ion Bacteria Escherichia coli 100 to 600 mM 109542 Hiraga S. Chromosome...
Length of viral ion channels Virus ~100 amino acids 110624 Fischer WB, Sansom MS....
Ion-Channel Kinetics Eukaryotes Table - link N/A 109243 Faisal AA, White JA,...
Rate constant of reaction in which superoxide oxidizes one ferrous ion into a ferric ion Unspecified ~10^8 - 10^9 M^-1×sec^-1 114081 Valko M et al., Redox-...
Experimental ion permeability coefficients in different bilayers Various Table - link N/A 112546 Vorobyov I. et al., ...
Activation energy of transport by ion channels Generic ~15 to 25 kJ/mol 109164 Latorre R, Miller C....
Concentration of ammonium ion in unfertilized egg African clawed frog Xenopus laevis 3 mM 101480 Shiokawa et al. Ammonium...
Chloride ion content Rat Rattus norvegicus 5 in skeletal muscle:119 in plasma water mM 107189 Conway EJ. Nature and...
Passive ion permeability through water channel African clawed frog Xenopus laevis ≤1 ion/200,000 water molecules 110412 Maurel C. Aquaporins...
Ion channel conductance and selectivity Eukaryotes Table - link N/A 109166 Latorre R, Miller C....
Hydrated radius of chromium(III) ion Generic metal-oxygen (MO) bond distance in the first hydration sphere 1.966: second sphere MO distance 4.08 Å 115053 Lindqvist-Reis P, Muñoz-Páez...
Ion selectivity of MscS [Small-conductance mechanosensitive channels] Bacteria Escherichia coli PCl : PK = 1 : 1.5–3.0 N/A 112287 Martinac B, Saimi Y,...
Density of active ion channels on membrane Amoeba Dictyostelium discoideum ~1 active channel/µm^2 110724 Muller U, Malchow D,...
Ion and elemental composition Budding yeast Saccharomyces cerevisiae Table - link N/A 107752 van Eunen K et al., Measuring...
Chloride ion diameter Biosphere 3.7 Angstrom 103950 Rivetta A, Slayman C...