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Property Organism Value Units ID Details
Beta-catenin concentration in early embryos African clawed frog Xenopus laevis 35 nM 101952 Lee E, Salic A, Krüger R...
Divergence between turtles and Archosauria (birds and dinosaurs) Various ~255 (274 to 233) Mya 108234 Chiari Y, Cahais V, Galtier N...
Mean linear red cell velocity for the temporalis muscle in 34 arterioles and precapillaries not more than 5 µm in luminal diameter Rat Rattus norvegicus 2.43 (±0.08) mm/sec 115135 Ivanov, K., Kalinina...
Conduction velocity of action potential Unspecified 0.6-120 m/s 100716 http://faculty.washi...
Number of ER transcription factor molecules per cell Human Homo sapiens 11,000 ZR-75-1 breast cancer cell line: 260,000 MCF-7 breast carcinoma cell line Molecules/cell 106904 Mark D. Biggin, Animal...
Fraction of the whole cell Ca2+ current carried by N channel (N-type calcium channel) Mammals pig ≤80%: cat 45%: bovine, rat, mouse & human chromaffin cells 30% % of the whole cell Ca2+ current 113139 García AG et al., Calcium...
Number of biotin carboxyl carrier protein (BCCP) Bacteria Escherichia coli 1000 molecules per cell 102061 Li SJ, Cronan JE Jr....
Fraction of the ATP consumed in phospholipid biosynthesis that is expended in synthesis of fatty acid components Bacteria Escherichia coli 94 % 102056 Li SJ, Cronan JE Jr....
Half life of accBC mRNA Bacteria Escherichia coli 2 min 102059 Li SJ, Cronan JE Jr....
Mean velocity of movement of axoplasmic organelles along purified microtubules Squid Loligo pealeii 1.42 µm/sec 112233 Vale RD, Schnapp BJ, Reese TS...
Fraction of the whole cell Ca2+ current carried by P/Q channel (P-type calcium channel ("Purkinje") /Q-type calcium channel) in chromaffin cells Mammals bovine 50%: human 60%: pig & cat 5%: rat 20%: mouse (early study) ~30% (more recent study) 15% % of the whole cell Ca2+ current 113140 García AG et al., Calcium...
Stability time of the protein biotin carboxyl carrier protein (BCCP) Bacteria Escherichia coli >= (>60) min 102058 Li SJ, Cronan JE Jr....
Kinetic data for Rubiscos from various bacteria, algae, and higher plants Various Table - link N/A 103708 Tcherkez GG, Farquhar GD...
Mean linear red cell velocity for 100 cerebral capillaries 2-5 µm in diameter Rat Rattus norvegicus 0.79 (±0.03) mm/sec 115133 Ivanov, K., Kalinina...
Fraction of spinal roots in which arachnoid villi reach the epidural space and penetrate into the wall of veins situated around the spinal ganglion African green monkey Chlorocebus aethiops ~16 % 117122 Sakka L, Coll G, Chazal...
Half-life of chloramphenicol acetyl-transferase Mammalian tissue culture cell 50 Hours 105185 Thompson JF, Hayes LS...
Impulse conduction velocity, fastest known in the invertebrate (and vertebrate) system Kuruma shrimp Marsupenaeus japonicus 90 - 210 m/sec 110502 Kusano K, LaVail MM....
Fraction of surface area of neuron that is covered by synapses vertebrates <10 % 115052 Krnjević, K. "Chemical...
Mean linear red cell velocity for the temporalis muscle in 123 capillaries Rat Rattus norvegicus 1.14 mm/sec 115134 Ivanov, K., Kalinina...
Charge unbalance for potassium,Sodium and chloride after Action Potential Various Table - link N/A 104235 Aiello GL, Bach-y-Rita...