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Property Organism Value Units ID Details
Total magnesium(2+) in frog egg African clawed frog Xenopus laevis 1.45E-08 (1.2E-8 - 1.7E-8) mol 100487 Slack C, Warner AE, Warren...
Ratio between hydrated radius and dehydrated radius of Mg2+ Generic ~400 unitless 110390 Moomaw AS, Maguire ME....
Diameter of Rab9-depleted late endosome in HeLa cell Human Homo sapiens 0.42 µm 104387 Ganley IG, Carroll K...
Permeation of potassium (K+) channel Unspecified ~10,000,000 K+/sec 112282 Martinac B, Saimi Y,...
Gap-junctional permeability ratio Unspecified 1 K+: 0.8 Na+: 0.6 Cl- Unitless 107215 Jacobsen JC, Aalkjaer C...
Fraction of total cellular Mg2+ that is bound to cytosolic ATP Generic <=50 % 105930 Maguire ME, Cowan JA....
Membrane potential under different growth conditions Bacteria Escherichia coli (-140)-(-105) Table - link mV 103386 Tran QH, Unden G. Changes...
Electrochemical proton potential across membrane under different growth conditions Bacteria Escherichia coli (-160)-(-117) Table - link mV 103389 Tran QH, Unden G. Changes...
Diameter of the pore of the connexin 26 (Cx26) gap junction channel (human Cx26 was expressed in Sf9 insect cells) Human Homo sapiens at the cytoplasmic side of the channel ~40: near the extracellular membrane surface 14: in the extracellular space 25 Å 117151 Maeda S et al., Structure...
Extracellular and intracellular concentration of ions in body fluids Human Homo sapiens Table - link mM 107487 Editor: Dr. Robert A. Meyers...
Concentration of sodium cations in approximate volume of e.coli cell Generic Total 12 mM: free 8 mM: Table - link mM 110384 Maguire ME, Cowan JA....
Concentration of potassium cations in approximate volume of e.coli cell Generic Total 140 mM: free 120 mM: Table - link mM 110385 Maguire ME, Cowan JA....
Concentration of calcium cations in approximate volume of e.coli cell Generic Total 3 mM: free 0.0001 mM Table - link mM 110386 Maguire ME, Cowan JA....
Concentration of magnesium cations in approximate volume of e.coli cell Generic Total 30 mM: free 0.3 mM Table - link mM 110387 Maguire ME, Cowan JA....
Comparison of ion concentrations inside and outside a typical mammalian cell Mammals Table - link mM 106428 Alberts, Molecular biology...
Comparison of observed and predicted ion concentrations in pea root tissue Pea Pisum sativum Table - link mmol/L 106755 Taiz & Zeiger Plant ...
Apparent Km for Mg2+ of prokaryotic and eukaryotic Mg2+ transporters Various Table - link mM 110391 Moomaw AS, Maguire ME....
Calcium (Ca2+) exchange at endoplasmic reticulum (ER) membrane contact sites (MCSs) (Ca2+ concentrations in different compartments) Eukaryotes Figure - link N/A 112892 Phillips MJ, Voeltz GK....
Composition of in vivo-like assay media for various organisms Microbes Table - link N/A 113251 Karen van Eunen & Barbara...
Cellular concentrations of the common biological cations in approximate volume of e.coli cell Generic Table - link N/A 105926 Maguire ME, Cowan JA....