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Property Organism Value Units ID Details
Length of mature miRNA Human Homo sapiens 18-24 nucleotides 102585 Chang TC, Mendell JT....
Estimated fraction of mRNA regulated by miRNA Human Homo sapiens 30-90 % 102584 Chang TC, Mendell JT....
Length of pre-miRNA stem loop structure Human Homo sapiens ~60-80 nucleotides 102583 Chang TC, Mendell JT....
Number of miRNA encoded by genome Human Homo sapiens ~800-1000 miRNAs 102582 Chang TC, Mendell JT....
Fraction of all genes that are regulated by at least one miRNA Unspecified ~20-30 % 113092 Malan-Müller S, Hemmings...
Fraction of genome that is estimated to be controlled by miRNA Human Homo sapiens ~0.5 of the genome 107555 Sonenberg N, Hinnebusch...
Fraction of non-miRNA sequences in size range 13-26 nts that are tRNA-derived fragments (tRFs) vertebrates 40 % 113861 Phizicky EM, Hopper AK....
Number of microRNA genes conserved across bilaterian animals (value in article is 39, see comments section) Metazoa animals ~ (~41) genes 114542 Fromm et al. A Uniform...
Number of microRNA genes Human Homo sapiens 585 genes 114541 Fromm et al. A Uniform...
Number of protein-encoding genes Corn Zea mays 32,540 genes 110565 Schnable et al., The...
Calculated diffusion coefficient of microRNA in water Generic 100 µm^2/sec 105179 Zhdanov VP. Conditions...
Length of siRNA Fruit fly Drosophila melanogaster 21-22 nucleotides 102483 Elbashir SM, Lendeckel W...
Length of siRNA Human Homo sapiens 21-23 nucleotides 102484 Elbashir SM, Harborth J...
Number of predicted protein-coding genes Physcomitrella patens 27949 genes 111377 Lang D, Zimmer AD, Rensing SA...
number of copies of the microRNA miR-67 per somatic adult cell Nematode Caenorhabditis elegans 1600 molecules 101291 The microRNAs of Cae...
number of copies of the microRNA miR-66 per somatic adult cell Nematode Caenorhabditis elegans 13000 molecules 101293 The microRNAs of Cae...
Average radius of folded protein Generic ~2 nm 100018 Zhdanov VP. Conditions...
Length of piRNA (Piwi-interacting RNA) Various 24-30 nucleotides 101521 Choudhuri S. Lesser known...
Diffusion coefficient of microRNA in cell Generic 10 µm^2/sec 105180 Zhdanov VP. Conditions...
number of copies of the microRNA miR-2 per somatic adult cell Nematode Caenorhabditis elegans 50000 molecules 101288 The microRNAs of Cae...