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This article is missing information about structure (universal). Please expand the article to include this information. Further details may exist on the talk page. (December 2020)
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Small subunit ribosomal ribonucleic acid (SSU rRNA) is the smaller of the two major RNA components of the ribosome. Associated with a number of ribosomal proteins, the SSU rRNA forms the small subunit of the ribosome. It is encoded by SSU-rDNA.
| SSU rRNA | |
|---|---|
| Identifiers | |
| Symbol | SSU |
| Rfam | CL00111 |
| Other data | |
| PDB structures | PDBe |
| Type | SSU rRNA size | Species | Length | Accession | Reference |
|---|---|---|---|---|---|
| Bacterial (Prokaryotic) | 16S | Escherichia coli | 1,541 nt | J01859.1 | [1] |
| Archaeal (Prokaryotic) | 16S | Halobacterium salinarum | 1,473 nt | M38280.1 | [2] |
| Eukaryotic | 18S | Homo sapiens | 1,969 nt | M10098.1 | [3] |
| Mitochondrial | 12S | Homo sapiens | 954 nt | NC_012920.1 | [4][5] |
| Plastid | 16S | Arabidopsis thaliana | 1,491 nt | NC_000932.1 | [6] |
SSU rRNA sequences are widely used for determining evolutionary relationships among organisms, since they are of ancient origin and are found in all known forms of life.[7]
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Ribosomal RNA / ribosome subunits
| |||||||
|---|---|---|---|---|---|---|---|
| Archaea (70S) |
Small (30S): | ||||||
| Bacteria (70S) |
Small (30S): | ||||||
| Eukaryotes |
| ||||||
| Ribosomal proteins | (See article table) | ||||||
