Small ribosomal subunit protein uS3 (rpsC) is a 233-residue protein from Escherichia coli (strain K12). This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: P0A7V3.
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The mean pLDDT of this model is 89.6 (confident overall). pLDDT is AlphaFold's per-residue confidence score from 0 to 100. In MolViewer, choose the B-factor color scheme to color the model by pLDDT, because AlphaFold stores it in the B-factor column.
| pLDDT band | Meaning | Share of residues |
|---|---|---|
| Above 90 | Very high: backbone and side chains are usually accurate | 82% |
| 70 to 90 | Confident: backbone generally right | 9% |
| 50 to 70 | Low: treat with caution | 3% |
| Below 50 | Very low: often disordered regions | 6% |
What pLDDT means and how to read it
Binds the lower part of the 30S subunit head. Binds mRNA in the 70S ribosome, positioning it for translation (By similarity)
Part of the 30S ribosomal subunit (PubMed:10094780, PubMed:12244297, PubMed:12809609, PubMed:16272117, PubMed:27906160, PubMed:27906161, PubMed:27934701, PubMed:28077875, PubMed:387449, PubMed:7556101). Forms a tight complex with proteins uS10 and uS14 (By similarity). With proteins uS4 and uS5 encircles the mRNA as it enters the ribosome, which may play a role in mRNA helicase processivity.…
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 8B0X | EM | 1.55 Å | C=1-233 |
| 9Q87 | EM | 1.55 Å | C=1-233 |
| 8CGJ | EM | 1.79 Å | C=1-233 |
| 8CF1 | EM | 1.82 Å | C=1-233 |
| 8FTO | EM | 1.85 Å | C=1-233 |
| 9GHE | EM | 1.87 Å | C=1-233 |
| 8CGI | EM | 1.89 Å | C=1-233 |
| 8AYE | EM | 1.96 Å | C=1-233 |
| 7K00 | EM | 1.98 Å | C=1-233 |
| 4ODQ | X-ray | 2.0 Å | B=11-25 |
| 8QOA | EM | 2.0 Å | C=1-233 |
| 8G6W | EM | 2.02 Å | C=1-233 |
| 8BIL | EM | 2.04 Å | g=1-233 |
| 8BIM | EM | 2.04 Å | g=1-233 |
| 8CA7 | EM | 2.06 Å | C=1-233 |
| 8CAI | EM | 2.08 Å | C=1-233 |
| 4YBB | X-ray | 2.1 Å | AC/BC=2-207 |
| 8EMM | EM | 2.1 Å | C=1-233 |
| 8BGE | EM | 2.11 Å | g=1-233 |
| 8CAZ | EM | 2.11 Å | C=1-233 |
Showing 20 of 533 experimental structures (best resolution first).
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