Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Binding constant of lac repressor to lac operator | Bacteria Escherichia coli | 1e+9 | Molar | 102084 | Benno Muller-hill, 1996... |
| Number of β-galactosidase per uninduced lac+ cell | Bacteria Escherichia coli | 10 to 20 | Molecules/cell | 106200 | Erlich HA, Cohen SN,... |
| Repression of lac promoter in its activated state by wildtype lac repressor | Bacteria Escherichia coli | 1000 | Fold | 102075 | Benno Muller-hill, 1996... |
| Lac repressor concentration | Bacteria Escherichia coli | 10 | nM | 102083 | Benno Muller-hill, 1996... |
| Lac repressor binding constants | Bacteria Escherichia coli | Table - link | 1/M | 106932 | Benjamin Lewin, Genes IX 2008... |
| Concentration of Lac repressor | Bacteria Escherichia coli | 50 | nM | 103602 | Bintu L, Buchler NE,... |
| Koff of lac repressor | Bacteria Escherichia coli | 0.022 (Table - link) | Sec^-1 | 106393 | Nelson HC, Sauer RT.... |
| Lac repressor tetramers per cell | Bacteria Escherichia coli | 5 | tetramer molecules | 102022 | X. Sunney Xie, Paul J. Choi... |
| Ribosomes per lac mRNA | Bacteria Escherichia coli | 20 | molecules | 102024 | X. Sunney Xie, Paul J. Choi... |
| Burst size of Lac permease when the repressors completely dissociate from the Lac operon | Bacteria Escherichia coli | ~100 | monomers/burst | 111012 | Teng SW. et al., Measurement... |
| Increase in repression of lac transcription by operator O1 compared to absence of operator | Bacteria Escherichia coli | 18 | Fold | 102086 | Benno Muller-hill, 1996... |
| Association constant of lac repressor to operator | Bacteria Escherichia coli | 7e+9 | M^-1×Sec^-1 | 104607 | Riggs AD, Bourgeois S... |
| Decrease of repression of lac transcription in absence of both 'pseudo operators' | Bacteria Escherichia coli | >=50 | Fold | 102090 | Oehler S, Eismann ER... |
| Decrease of repression of lac transcription in absence of one 'pseudo operator' | Bacteria Escherichia coli | 2-3 | Fold | 102089 | Oehler S, Eismann ER... |
| Percent of lac operator in a free state | Bacteria Escherichia coli | 5 | unitless | 102085 | Benno Muller-hill, 1996... |
| A selection of substrates of the lac permease | Bacteria Escherichia coli | Table - link | N/A | 109801 | Hengge R, Boos W. Maltose... |
| Activation of lac promoter by CAP protein in presence of cAMP | Bacteria Escherichia coli | 50 | Fold | 102073 | Benno Muller-hill, 1996... |
| Halflife of lac repressor-operator [RO] complex | Bacteria Escherichia coli | 19 (±4) | min | 114338 | Riggs AD, Bourgeois S... |
| Constant for binding of RNAP to lac promoter | Bacteria Escherichia coli | 550 | nM | 103590 | Bintu L, Buchler NE,... |
| Association rate constant (Kon) of lac repressor | Bacteria Escherichia coli | 2.8e+7 (Table - link) | Sec^-1×M^-1 | 106392 | Nelson HC, Sauer RT.... |