IgA FC receptor (bag) is a 1164-residue protein from Streptococcus agalactiae. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: P27951.
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The mean pLDDT of this model is 66.8 (low 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 | 25% |
| 70 to 90 | Confident: backbone generally right | 34% |
| 50 to 70 | Low: treat with caution | 8% |
| Below 50 | Very low: often disordered regions | 33% |
What pLDDT means and how to read it
Secreted, cell wall
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 9MN2 | X-ray | 2.05 Å | A/B=258-427 |
| 7S0R | X-ray | 2.5 Å | A/B=725-826 |
| 6V3P | X-ray | 3.25 Å | C/D=428-540 |
| 5WAH | NMR | A=92-189 |
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