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Property Organism Value Units ID Details
Km for activation of Pyruvate Pi dikinase by Pi Corn Zea mays 650 uM 103411 Burnell JN, Hatch MD....
Km and kcat values of psychrophilic (P) and mesophilic (M) enzymes Various Table - link N/A 114094 Tony Collins & Charles Gerday...
Km of PolyA polymerase in presence of Ap4A Budding yeast Saccharomyces cerevisiae 0.17 (±0.025) mM 103420 Sillero MA, De Diego A...
Km for copper uptake in wildtype cell Budding yeast Saccharomyces cerevisiae 4.4 (±0.4) µM 104013 Lin CM, Kosman DJ. Copper...
Km[ATP] for Protein synthesis rate Bacteria Escherichia coli 27 (±4) µM 104731 Jewett MC, Miller ML...
Km[GTP] for Protein synthesis rate Bacteria Escherichia coli 14 (±2) µM 104732 Jewett MC, Miller ML...
Km of phosphofructokinase-2 for ATP Bacteria Escherichia coli 42 µM 104957 Baez M, Rodríguez PH...
Enzymes for Which kcat/Km Is Close to the Diffusion-Controlled Limit Unspecified Table - link N/A 103917 Nelson & Cox, Lehninger's...
Km values of Transketolase (TK) for selected substances Unspecified Table - link N/A 101719 see table
Median kcat/KM number for the entire data set of enzymes and natural substrates Generic ~10^5 M^-1×sec^-1 111412 Bar-Even A. et al., The...
kcat/Km and knon values for some key reactions at 25 °C Unspecified Figure - link N/A 107178 Wolfenden R, Snider MJ....
Km for hydrogen ion inward current with methhotrexate as substrate Mouse Mus musculus 4.6 (±0.5) µM 102596 Umapathy NS, Gnana-Prakasam...
Km of four Glutathione S-transferases (GSTs) to glutathione Rat Rattus norvegicus 0.2-2.0 mM 105544 Habig WH, Pabst MJ, Jakoby...
Kcat/Km of mitochondrial complex I for NADH oxidation by the flavin Cow Bos Taurus ~1e8 M^-1×sec^-1 109179 Hirst J. Mitochondrial...
Km for hydrogen ion inward current with folate transporter Mouse Mus musculus 1.2 (±0.1) µM 102595 Umapathy NS, Gnana-Prakasam...
Km for high affinity transport system for betaine Bacteria Chromohalobacter salexigens 3.06 µM 102331 Vargas C, Argandona M...
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 of phosphofructokinase-2 for fructose 6-phosphate Bacteria Escherichia coli 58 µM 104956 Baez M, Rodríguez PH...
Total number of prokaryotes over land in bottom 3 km of the atmosphere prokaryote ~5E+19 cfu 108507 William B. Whitman,*†...