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Property Organism Value Units ID Details
Total ribosome number and cytoplasmic ribosome density (average±standard deviation) Bacteria Escherichia coli Ribosomes/cell 26,100±4,020: cytoplasmic ribosome density 2,840±120 ribosomes/0.1fL cytoplasm N/A 117348 Hiroyuki Yamada et al....
Kd for binding of Elongation Factor-G-GTP to vacant ribosome Bacteria Escherichia coli 0.27 µM 103826 Yu H, Chan YL, Wool IG....
Ratio of mRNA nucleotides per ribosome on average Budding yeast Saccharomyces cerevisiae 154 nucleotides 103026 Zenklusen D, Larson DR...
Ribosome drop-off rate (Rate of premature translation termination events) Bacteria Escherichia coli 2.4e-4 (±5e-5) events/codon 113578 Sin, C., Chiarugi, D....
Mass of bacterial ribosome bacteria 2.5 (Table - link) MDa 106864 Benjamin Lewin, Genes VIII...
Mass of mammalian ribosome Mammals 4.2 (Table - link) MDa 106865 Benjamin Lewin, Genes VIII...
Rate of ribosome progression in eukaryotic cell Eukaryotes 1 to 8 amino acids/sec/translating ribosome 107783 Piques et al., Ribosome...
Half life of ribosome in liver Rat Rattus norvegicus ~300 hours 110053 Nikolov EN, Dabeva MD...
Peak number density within ribosome-rich regions Bacteria Escherichia coli 65000 (56,000 to 73,000) Ribosomes/μm^3 108604 Bakshi S, Siryaporn A...
Diameter of 70S (intact) ribosome Bacteria Escherichia coli 26 nm 100121 Zhu J, Penczek PA, Schröder R...
Number of proteins in ribosome Budding yeast Saccharomyces cerevisiae 78 unitless 102476 Planta RJ, Mager WH....
Number of proteins in ribosome Fruit fly Drosophila melanogaster 78 unitless 102479 Ribosomal Protein Gene...
Number of proteins in ribosome Rat Rattus norvegicus 80 unitless 102477 Wool IG, Chan YL, Glück...
Number of proteins in ribosome Various Database - link N/A 102480 Ribosomal Protein Gene...
Mass of ribosome (anhydrous mass) bacteria 30S subunit 0.9±0.3MDa: 50S subunit 1.55MDa MDa 111936 Kurland CG. Structure...
Number of codons physically occupied by a ribosome Eukaryotes ~12 Codons 107779 Piques et al., Ribosome...
Size of 70s (intact) of ribosome Bacteria Escherichia coli 21 nm 102320 Kaczanowska M, Rydén-Aulin...
RNA nucleotides in (intact) ribosome Bacteria Escherichia coli 4566 (Table - link) nucleotides 101439 Bremer, H., Dennis, P....
Molecular mass of (intact) ribosome Bacteria Escherichia coli 2700 kDalton 100118 Yamamoto T, Izumi S,...
Binding constant of ribosome to CrPV IGR IRES element Budding yeast Saccharomyces cerevisiae 21.7 (±1.7) nM 107327 Jack K et al., rRNA ...