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Property Organism Value Units ID Details
Mean number of rRNA operons in early- and late-appearing soil bacterial isolates bacteria early appearing 5.5: late appearing 1.4 rRNA operon copies 111694 Klappenbach JA, Dunbar JM...
Number of base pairs in loop caused by Lac repressor Bacteria 92 bp 103153 Garcia HG, Grayson P...
Number of base pairs in loop caused by Deo Repressor Bacteria Escherichia coli 599 bp 103156 Schleif R. DNA looping....
Charactaristic average size of mRNA Bacteria Escherichia coli 1000 nts 100022 Ben Jones, Dov Stekel...
Growth rate of cells with one and five functional rRNA operons as percent of wildtype (6 rRNA operons) Bacteria Escherichia coli Five functional rRNA operons 21: one functional rRNA operon 50 % lower growth rate than WT cells 109078 Tadmor AD, Tlusty T....
Increase in gene expression for each 1,000 nucleotides of transcription distance Bacteria Escherichia coli 40 % 107513 Lim HN, Lee Y, Hussein...
Time for dimeric repressor in a single cell to find a single O1 site Bacteria Escherichia coli <=360 sec 102035 X. Sunney Xie, Paul J. Choi...
Ribosomes per lac mRNA Bacteria Escherichia coli 20 molecules 102024 X. Sunney Xie, Paul J. Choi...
Constant for binding of activator CRP to lac promoter activating site Bacteria Escherichia coli 0.02 nM 103591 Bintu L, Buchler NE,...
Increase in repression of lac transcription by operator O1 compared to absence of operator Bacteria Escherichia coli 18 Fold 102086 Benno Muller-hill, 1996...
LacZ mRNA per cell Bacteria Escherichia coli 10-30 molecules per cell 102023 X. Sunney Xie, Paul J. Choi...
Frequency of reversion to normal gene function after insertion of transposable element prokaryote 10^-6-10^-9 fold 102594 Calos MP, Miller JH....
mRNA elongation rate Bacteria Escherichia coli average 25nts/sec: measured at trp operon 27nts/sec: estimated at bulk mRNA 29nts/sec nts/sec 112325 Chen H, Shiroguchi K...
Genome Size Bacteria Escherichia coli 4.6e+6 Base pairs 100269 Blattner FR et al, The...
Lac repressor tetramers per cell Bacteria Escherichia coli 5 tetramer molecules 102022 X. Sunney Xie, Paul J. Choi...
Activation of lac promoter by CAP protein in presence of cAMP Bacteria Escherichia coli 50 Fold 102073 Benno Muller-hill, 1996...
LacZ gene size Bacteria Escherichia coli 3075 base pairs 102070 Benno Muller-hill, 1996...
Number of different proteins Bacteria Escherichia coli <=3000 unitless 102087 Benno Muller-hill, 1996...
Binding constant of lac repressor to lac operator Bacteria Escherichia coli ~1e+9 Molar 102084 Benno Muller-hill, 1996...
Fraction of rRNA transcription out of total transcription during rapid growth bacteria ≤70 % 111693 Klappenbach JA, Dunbar JM...