Light-harvesting protein B800-820 beta chain is a 45-residue protein from Magnetospirillum molischianum. This is its AlphaFold structure prediction, created 1 Jun 2022. UniProt accession: Q7M158.
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The mean pLDDT of this model is 95.3 (very high 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 | 91% |
| 70 to 90 | Confident: backbone generally right | 7% |
| 50 to 70 | Low: treat with caution | 2% |
| Below 50 | Very low: often disordered regions | 0% |
What pLDDT means and how to read it
Antenna complexes are light-harvesting systems, which transfer the excitation energy to the reaction centers
Cell inner membrane
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 8FB9 | EM | 6.4 Å | B/E/F/H/J/L/d/f=1-45 |
| 7TUW | EM | 8.2 Å | B/E/F/H/J/L/d/f=1-45 |
| 8FBB | EM | 11.3 Å | R/T/V/X/Z/b/d/f=1-45 |
| 7TV3 | EM | 11.4 Å | R/T/V/X/Z/b/d/f=1-45 |
MolViewer loads the AlphaFold model straight from AlphaFold DB into your browser. Show it as a cartoon, color by pLDDT, measure distances and angles, and load a PDB structure next to it to compare.