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Property Organism Value Units ID Details
RNAPol I density (per rRNA gene) Budding yeast Saccharomyces cerevisiae one polymerase/132 nts N/A 108308 French SL, Osheim YN...
Number of 23S rRNA/cell Bacteria Escherichia coli 18700 Unitless 102991 Neidhardt F.C. Escherichia...
Number of 16S rRNA/cell Bacteria Escherichia coli 18700 Unitless 102992 Neidhardt F.C. Escherichia...
Number of 5S rRNA/cell Bacteria Escherichia coli 18700 Unitless 102993 Neidhardt F.C. Escherichia...
rRNA database of bacteria and archaea prokaryote Data base - link N/A 104390 Stoddard SF, Smith BJ...
Average number of rRNA genes per cell Bacteria Escherichia coli 12.4-35.9 Table - link unitless 102359 Bremer, H., Dennis, P....
Number of copies of rRNA genes in E. coli Bacteria Escherichia coli 7 unitless 100352 M. Nomura J.Bact. 18...
Fraction of RNA that is rRNA folded in ribosomes Bacteria Escherichia coli 85 % 106421 Scott M, Gunderson CW...
Percent of rRNA and tRNA from total RNA bacteria 95–97 % 102939 Rosenow, C., et al.,...
Diffusion coefficient of rRNA in nucleus Mammalian tissue culture cell 0.03-0.1 µm^2/sec 104211 Misteli T. Physiological...
18S rRNA moiety half-life in vitro in H1299 (human non-small cell lung carcinoma cell line) Human Homo sapiens 3.8 days 108023 Defoiche J et al., M...
Number of 18S rRNA units in jejunal intraepithelial lymphocyte Human Homo sapiens 0.69 (0.58-1.7) copies/100 cells 104225 Bas A, Forsberg G, H...
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...
Fraction of rRNA transcription out of total transcription during rapid growth bacteria ≤70 % 111693 Klappenbach JA, Dunbar JM...
Number of RNAPol I per rRNA gene in CHO cell Mammalian tissue culture cell 114 polymerases/gene 108306 French SL, Osheim YN...
Number of RNAPol I per rRNA gene in liver cell Rat Rattus norvegicus 101 polymerases/gene 108307 French SL, Osheim YN...
Number of 18S rRNA units in jejunal lamina propria lymphocyte Human Homo sapiens 0.65 (0.21-1.38) copies/100 cells 104226 Bas A, Forsberg G, H...
Proportion of total RNA that is rRNA Budding yeast Saccharomyces cerevisiae 80-85 Table - link % 105192 von der Haar T. A qu...
Number of rRNA operons (except for two Prochlorococcus strains from the eMIT9313 clade (which have 2)) Cyanobacteria Prochlorococcus marinus 1 rRNA operon 111756 Martiny AC et al., Taxonomic...
Number of 18S rRNA units in peripheral blood mononuclear cells (PMBCs) Human Homo sapiens 0.72 (0.3-1.71) copies/100 cells 104227 Bas A, Forsberg G, H...