Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Cytoplasmic concentration of K+ ion | Bacteria Escherichia coli | 100 to 600 | mM | 109542 | Hiraga S. Chromosome... |
| Concentration of sodium ion (Na+) and calcium ion (Ca2+) | Bacteria Escherichia coli | sodium ~5: calcium ~0.1 | mM | 115775 | Theillet FX et al., ... |
| Concentration of calcium ion in resting mitochondria | Mammalian tissue culture cell | 310 (±30) | nM | 101700 | Akos A. Gerencser and... |
| Physiological concentration of Mg ion (Mg2+) | Unspecified | ~10 | mM | 100770 | Bioenergetics 3, Nicholls... |
| Physiologically relevant concentration of potassium ion (K+) | Bacteria Escherichia coli | 200 | mM | 115759 | Theillet FX et al., ... |
| Intracellular K+ (potassium ion) | Microbes | 300 - 700 | mM | 112288 | Martinac B, Saimi Y,... |
| Concentration of ammonium ion in unfertilized egg | African clawed frog Xenopus laevis | 3 | mM | 101480 | Shiokawa et al. Ammonium... |
| Cytoplasmic K+ (potassium ion) concentration in roots | Plants | 80 | mM | 112370 | Hirsch RE, Lewis BD,... |
| Concentration of total and free magnesium ion (Mg2+) | Bacteria Escherichia coli | total 20-100: free 1-2 | mM | 115774 | Theillet FX et al., ... |
| Ion Concentration Ratios, Calculated Equilibrium Potentials, and Measured Transmembrane Potentials | Various | Table - link | N/A | 104083 | Stein, Wilfred D., Litman... |
| Chloride ion content | Rat Rattus norvegicus | 5 in skeletal muscle:119 in plasma water | mM | 107189 | Conway EJ. Nature and... |
| Concentration of potassium ion (K+) when grown in different media | Bacteria Escherichia coli | McIlvaine’s medium ~250 (free): glucose ~180-200: LB ~100 | mM | 115760 | Theillet FX et al., ... |
| Chloride ion diameter | Biosphere | 3.7 | Angstrom | 103950 | Rivetta A, Slayman C... |
| Ion-Channel Kinetics | Eukaryotes | Table - link | N/A | 109243 | Faisal AA, White JA,... |
| Membrane potential of sodium ion in axon | Squid | -60 (Table - link) | mV | 104085 | Stein, Wilfred D., Channels... |
| Ion and elemental composition | Budding yeast Saccharomyces cerevisiae | Table - link | N/A | 107752 | van Eunen K et al., Measuring... |
| Ratios of internal ion concentrations, made from the means of single cells versus outside concentration | bacteria | Table - link | N/A | 106600 | Fagerbakke KM, Norland S... |
| Typical single ion channel conductance (how many ions per second can pass through the channel) | Generic | ≥10^6 | ions/sec | 110725 | Cahalan MD, Wulff H,... |
| Experimental ion permeability coefficients in different bilayers | Various | Table - link | N/A | 112546 | Vorobyov I. et al., ... |
| Summary of ion selectivity experiments | Snail Helix roseneri | Table - link | N/A | 109171 | H. Reuter and C.F. Stevens... |