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IDPropertyOrganismValueUnitsRange Details
103011 Number of mRNA transcripts of 80 percent of expressed genes in cell Budding yeast Saccharomyces cerevisiae copies/cell 0.1-2
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102044 Translation burst size of a fusion protein Bacteria Escherichia coli 4 molecules
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102046 Translation bursts of tsr-venus fusion protein per cell cycle Bacteria Escherichia coli 1.2 unitless
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104511 Length of Regulator binding site Unspecified bp 6-10
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102456 Relative quantitation of circadian gene expression in eye at midnight and at dawn African clawed frog Xenopus laevis unitless 1.98-1
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102045 mRNA degradation constant for a fusion protein (tsr-Venus YFP) Bacteria Escherichia coli 1.5 min +-0.2
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105013 Number of transcription factors in sea urchin embryo cell Sea Urchin spp Copies/cell 300-10000
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104215 Median half life of mRNA of mouse embryonic stem cell Mammalian tissue culture cell 7.1 hours
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102048 Beta-galactosidase per translation burst Bacteria Escherichia coli 7.8 molecules per burst
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102047 Translation bursts of beta-galactosidase per cell cycle Bacteria Escherichia coli 0.16 unitless
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102050 Permease molecules needed to drive full induction of Lac operon Bacteria Escherichia coli >=10 molecules per cell
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104366 Fraction of proteome that is expressed under normal growth conditions Budding yeast Saccharomyces cerevisiae ~80 Percent
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103600 Experimental in vitro Constant for binding of repressor to O3 locus of lac operator Bacteria Escherichia coli nM 0.016-1
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103599 Experimental in vitro Constant for binding of repressor to O2 locus of lac operator Bacteria Escherichia coli 0.01 nM
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103598 Experimental in vitro Constant for binding of repressor to O1 locus of lac operator Bacteria Escherichia coli 1e-3 nM
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104217 Median estimated half life of mRNA of hepatoma cells Human Homo sapiens 10 hours
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103593 Binding energy difference of RNAP to phage T7 promoter Bacteria Escherichia coli -8.1 KB*T
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103594 Binding energy difference of RNAP to lac promoter Bacteria Escherichia coli -2.9 KB*T
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103588 Number of sites on genome that are non specific to RNAP Bacteria Escherichia coli 6e+6 Non specific sites/genome
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103589 Constant for non specific binding of RNAP to DNA Bacteria Escherichia coli 10 uM
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