LSU rRNA
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Large subunit ribosomal ribonucleic acid (LSU rRNA) is the largest of the two major RNA components of the ribosome. Associated with a number of ribosomal proteins, the LSU rRNA forms the large subunit of the ribosome. The LSU rRNA acts as a ribozyme, catalyzing peptide bond formation.
Characteristics
| Type | LSU rRNA size | Species | Length | Accession | Reference |
|---|---|---|---|---|---|
| Bacterial (Prokaryotic) | 23S | Escherichia coli | 2,905 nt | NR_076322.1 | |
| Archaeal (Prokaryotic) | 23S | Halobacterium salinarum | 2,906 nt | NR_076247.1 | |
| Eukaryotic | 5.8S & 28S | Homo sapiens | 157 + 5,025 nt | NR_145821.1; M11167.1 | |
| Mitochondrial | 16S | Homo sapiens | 1,559 nt | NC_012920.1 | |
| Plastid | 23S | Arabidopsis thaliana | 2,810 nt | NC_000932.1 |
Use in phylogenetics
LSU rRNA sequences are widely used for working out evolutionary relationships among organisms, since they are of ancient origin and are found in all known forms of life.
See also
- SSU rRNA: the small subunit ribosomal ribonucleic acid.