Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Number of ribosomes in HeLa cell | Human Homo sapiens | ~3,300,000 | Ribosomes/cell | 107552 | Duncan R, Hershey JW.... |
| Number of ribosomes 4 hours into cell growth | Bacteria Escherichia coli | ~12,000 | ribosomes/cell | 114946 | Arfvidsson C, Wahlund... |
| Length of an average gap between two ribosomes on mRNA | Bacteria Escherichia coli | ~19 | codons | 109523 | Siwiak M, Zielenkiewicz... |
| Fraction of ribosomes loaded into polysomes in cytosol | Thale cress Arabidopsis thaliana | 53 to 58 in the dark period: 70 to 90 in the light period | % | 107352 | Piques et al., Ribosome... |
| Maximum number of ribosomes per template | Poliovirus | 30 (20-40) | Ribosomes/ssRNA | 105207 | Regoes RR, Crotty S, Antia R... |
| Percentages of ribosomes and transcripts loaded into polysomes | Thale cress Arabidopsis thaliana | 60% of ribosomes: 59 to 82% of transcripts | % | 107719 | Piques et al., Ribosome... |
| Mean number of ribosomes for a modified K-12 strain under moderate growth conditions at 30°C | Bacteria Escherichia coli | ~55,000 (30,000 to 70,000) | Ribosomes/cell | 108600 | Bakshi S, Siryaporn A... |
| Fraction of ribosomes that are involved in translation under normal conditions | Microbes | >90 | % | 112797 | Bartholomäus A et al.... |
| Molecular composition of ribosomes - RNA and protein | Various | Table - link | N/A | 102492 | Neil R. Voss. 2006 'Geometric... |
| Average number of ribosomes loaded per mRNA message | Budding yeast Saccharomyces cerevisiae | 3 | ribosomes/mRNA message | 111690 | Guet CC et al., Minimally... |
| Number of ribosomes/cell in exponentially growing E. coli B/r at 37° C | Bacteria Escherichia coli | 6800-72000 Table - link | Copies/cell | 101441 | Bremer, H., Dennis, P.... |
| Fraction of ribosomes that are present in the polysomes | Budding yeast Saccharomyces cerevisiae | <85 | % | 107350 | Piques et al., Ribosome... |
| Excess of ribosomes over proteasomes in mammalian cells & yeast | Budding yeast Saccharomyces cerevisiae | 10 | fold | 113364 | Duttler S, Pechmann S... |
| Percent of cellular volume occupied by ribosomes (in logarithmic growth phase) | Bacteria Spiroplasma melliferum | ~5 | % | 108949 | Ortiz JO, Förster F, Kürner J... |
| tRNA, ribosomes and mRNAs produced per generation | Budding yeast Saccharomyces cerevisiae | tRNAs ~3,000,000: ribosomes 300,000: mRNAs ~60,000 | 1/generation | 113860 | Phizicky EM, Hopper AK.... |
| Percent of ribosomes that are membrane-associated (in logarithmic growth phase) | Bacteria Spiroplasma melliferum | ~15 | % | 108948 | Ortiz JO, Förster F, Kürner J... |
| Distance between adjacent ribosomes on polysome (exit tunnel to entrance tunnel) | Bacteria Escherichia coli | 7 (±1) | nm | 105001 | Brandt F, Etchells SA... |
| No. of ribosomes per E. coli TG1 at OD550=3.3 on LB broth | Bacteria Escherichia coli | 20100 (±600 Table - link) | ribosomes/cell | 105779 | Nilsson M, Bülow L, Wahlund... |
| Percentage of total ribosomes in leaves that are in plastids | Broadbean Vicia faba | 26 to 36 | % | 107721 | Piques et al., Ribosome... |
| Distance from center to center of ribosomes on polysome | Sea urchin Lytechinus pictus | ~135 | bases | 107677 | Ben-Tabou de-Leon S,... |