Bacteriorhodopsin (bop) is a 262-residue protein from Halobacterium salinarum (strain ATCC 700922 / JCM 11081 / NRC-1). This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: P02945.
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The mean pLDDT of this model is 91.8 (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 | 85% |
| 70 to 90 | Confident: backbone generally right | 4% |
| 50 to 70 | Low: treat with caution | 5% |
| Below 50 | Very low: often disordered regions | 7% |
What pLDDT means and how to read it
Light-driven proton pump
Homotrimer
Cell membrane
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 7Z09 | X-ray | 1.05 Å | A=14-261 |
| 7Z0D | X-ray | 1.2 Å | A=14-261 |
| 7Z0A | X-ray | 1.22 Å | A=14-261 |
| 7Z0E | X-ray | 1.22 Å | P=14-261 |
| 5ZIM | X-ray | 1.25 Å | A=18-245 |
| 5ZIN | X-ray | 1.27 Å | A=18-245 |
| 5ZIL | X-ray | 1.29 Å | A=18-246 |
| 7XJC | X-ray | 1.33 Å | A=18-247 |
| 7XJD | X-ray | 1.33 Å | A=18-247 |
| 7XJE | X-ray | 1.33 Å | A=18-247 |
| 1M0K | X-ray | 1.43 Å | A=1-262 |
| 1M0M | X-ray | 1.43 Å | A=1-262 |
| 9F9G | X-ray | 1.44 Å | A=17-247 |
| 1M0L | X-ray | 1.47 Å | A=1-262 |
| 6G7H | X-ray | 1.5 Å | A=14-261 |
| 1P8H | X-ray | 1.52 Å | A=14-262 |
| 2NTU | X-ray | 1.53 Å | A=14-262 |
| 2NTW | X-ray | 1.53 Å | A=14-262 |
| 7Z0C | X-ray | 1.53 Å | A=14-261 |
| 1C3W | X-ray | 1.55 Å | A=18-244 |
Showing 20 of 174 experimental structures (best resolution first).
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