Protein TonB (ECA0877) is a 283-residue protein from Pectobacterium atrosepticum (strain SCRI 1043 / ATCC BAA-672). This is its AlphaFold structure prediction, created 1 Jun 2022. UniProt accession: Q6D8U5.
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The mean pLDDT of this model is 67.8 (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 | 34% |
| 70 to 90 | Confident: backbone generally right | 6% |
| 50 to 70 | Low: treat with caution | 32% |
| Below 50 | Very low: often disordered regions | 28% |
What pLDDT means and how to read it
Interacts with outer membrane receptor proteins that carry out high-affinity binding and energy dependent uptake into the periplasmic space of specific substrates. It could act to transduce energy from the cytoplasmic membrane to specific energy-requiring processes in the outer membrane, resulting in the release into the periplasm of ligands bound by these outer membrane proteins
Homodimer. Forms a complex with the accessory proteins ExbB and ExbD
Cell inner membrane
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 9HI3 | X-ray | 1.7 Å | A=197-283 |
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