|
Apparent Km for Mg2+ of prokaryotic and eukaryotic Mg2+ transporters
|
Various |
Table - link |
mM |
110391 |
Moomaw AS, Maguire ME.... |
|
Titre and rate constant (kcat/Km) of superoxide dismutases (SODs) and steady state O2− (superoxide) concentration
|
Bacteria Escherichia coli |
SOD titre 20μM: SOD kcat/Km 10^9M^−1×s^−1: O2− steady-state concentration ~0.2nM |
N/A |
112948 |
Imlay JA. The molecular... |
|
Km for (ADP) in ATP regeneration from AMP with ADP intermediate
|
Corn Zea mays |
70 |
µm/min |
103415 |
Hatch M. D., Properties... |
|
Titre and rate constant (kcat/Km) of alkyl hydroperoxide reductase C (AhpC) and steady state H2O2 (hydrogen peroxide) concentration
|
Bacteria Escherichia coli |
AhpC titre ~5μM: AhpC kcat/Km 4×10^7M^−1×s^−1: H2O2 concentration ~50nM |
N/A |
112944 |
Imlay JA. The molecular... |
|
Total number of prokaryotes over land in bottom 3 km of the atmosphere
|
prokaryote |
~5E+19 |
cfu |
108507 |
William B. Whitman,*†... |
|
Rate constant (kcat/Km) for inactivation of dehydratases and mononuclear enzymes by O2− (superoxide) and half-time for enzyme inactivation by O2-
|
Bacteria Escherichia coli |
kcat/Km >10^6M^−1×s^−1: half-time for enzyme inactivation 20min |
N/A |
112950 |
Imlay JA. The molecular... |
|
Typical range of kcat/Km (rate constants) for reactions between H2O2 (hydrogen peroxide) and the dehydratases and mononuclear enzymes and half-time for enzyme inactivation by H2O2
|
Bacteria Escherichia coli |
kcat/Km 10^3 to 10^4M^−1×s^−1: half-time for enzyme inactivation 20min |
N/A |
112945 |
Imlay JA. The molecular... |
|
Total number of trees, median tree density and number of tree species in [the ~6-million-km^2 landscape of] Amazonia
|
Biosphere |
Total number of trees 3.9×10^11: median tree density 565 trees/ha: ~16,000 tree species |
N/A |
112912 |
ter Steege H et al. ... |
|
Estimates of the local density of individual birds (number/km^2) of all species at seven forest sites on five continents
|
Birds |
Table - link |
individuals/km^2 |
116942 |
Kevin J. Gaston & Tim... |
|
Coefficient for conversion of CO2 to HCO3-
|
Cyanobacteria |
0.4 |
µM |
102627 |
Fridlyand L, Kaplan A... |
|
Constant for binding of repressor to O1 locus of lac operator
|
Bacteria Escherichia coli |
0.22 |
nM |
103595 |
Bintu L, Buchler NE,... |
|
Constant for binding of repressor to O2 locus of lac operator
|
Bacteria Escherichia coli |
2.7 |
nM |
103596 |
Bintu L, Buchler NE,... |
|
Constant for binding of repressor to O3 locus of lac operator
|
Bacteria Escherichia coli |
110 |
nM |
103597 |
Bintu L, Buchler NE,... |
|
Diffusion controlled limit of enzymatic reaction rate
|
constants |
10^8 - 10^9 Table - link |
1/(M×sec) |
103916 |
Nelson & Cox, Lehninger's... |
|
Cellular concentration of glyceraldehyde-3-phosphate dehydrogenase and phosphoglycerate kinase
|
Unspecified |
~0.1 |
µM |
111414 |
Bar-Even A. et al., The... |
|
Length of myelinated nerve fibers in brain
|
Human Homo sapiens |
150,000-180,000 |
km |
100692 |
http://faculty.washi... |
|
Total length of all osteocytic processes connected end-to-end
|
Human Homo sapiens |
175000 (Table - link) |
km |
111550 |
Buenzli PR, Sims NA.... |
|
Atmospheric concentration decrease for ideal isothermal conditions
|
Biosphere |
~9 |
km |
111406 |
Hans Kuhn, Horst-Dieter... |
|
Subsurface depth at which microbial life can occur
|
Biosphere |
3.5 |
km |
115600 |
Young KD. The selective... |
|
Restriction enzyme TaqI catalytic rate (Kcat)
|
Unspecified |
2.9 |
min^-1 |
101630 |
Zebala JA, Choi J, Barany... |