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Property Organism Value Units ID Details
Ionic concentrations in resting frog muscle Frog K+ 141mM: Na+ 9mM: Cl- 2.2mM: total inorganic phosphate 1.4mM: free Ca2+ 52nM: free Mg2+ 0.8mM N/A 115776 Theillet FX et al., ...
Some useful numbers concerning vertebrate skeletal muscle (frog sartorius at 0˚C) Frog Table - link N/A 116073 Clive. R. Bagshaw, Muscle...
Concentrations of most abundant metabolites in resting frog muscle Frog phosphocreatine ∼50 : carnosine 19.5: total free amino acids 11.7: creatine 11: total ATP 6.2 mM 115811 Theillet FX et al., ...
Total calcium(2+) in frog egg African clawed frog Xenopus laevis 6.5E-09 (5E-9 to 8E-9) mol 100486 Slack C, Warner AE, Warren...
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...
Total potassium (1+) in frog egg African clawed frog Xenopus laevis 6E-08 mol 100488 Slack C, Warner AE, Warren...
Total sodium (1+) in frog egg African clawed frog Xenopus laevis 5E-08 mol 100489 Slack C, Warner AE, Warren...
Diameter of the egg of the frog Xenopus laevis African clawed frog Xenopus laevis 1.15 (1 to 1.3 Table - link) mm 100501 Hirsch et al. Xenopus...
Number of chromosomes Frog Xenopus tropicalis 10 Unitless 100284 Hellsten et al, The genome...
Length of stereocilia (hair cells) in crista ampullaris of inner ear Frog Rana 5 to 60 μm 109301 Flock A, Cheung HC. Actin...
Total number of vesicles in neuromuscular junction Frog Rana pipiens ~500,000 vesicles 112454 Rizzoli SO, Betz WJ....
Diffusion coefficients of myoglobin in rat and frog muscles and in solution Various Table - link N/A 104036 Lin PC, Kreutzer U, Jue...
Estimated number of protein-coding genes Frog Xenopus tropicalis 20000 - 21000 Unitless 101900 Hellsten et al, The genome...
Genome Size African clawed frog Xenopus laevis 3.1e+9 Base pairs 100234 Hellsten et al, The genome...
Diffusion coefficient of parvalbumin in cytoplasm Frog Rana temporaria 37.4 (±8.1) µm^2/sec 104037 Lin PC, Kreutzer U, Jue...
Time for depletion of readily releasable pool (RRP) of synaptic vesicles (SVs) after stimulation at 30 Hz Frog Rana pipiens 10 – 15 sec 112565 Richards DA, Guatimosim C...
Ionic strength in cytosol of resting skeletal muscle Frog 0.18 M 107008 Vinnakota KC, Wu F, ...
Number of lymphocytes in young tadpole Frog 1e+6 lymphocytes 109933 Alan S. Perelson, Ge´rard...
Time for amplitude of cone early receptor potential to recover after illumination (half-life) Frog Rana pipiens 5 - 6 min 111400 Saari JC. Biochemistry...
Intracellular pH of early Xenopus laevis embryos African clawed frog Xenopus laevis 7.81 (7.67-7.94) Unitless 101475 Guthrie et al. Patterns...