Maltose/maltodextrin transport system permease protein MalF (malF) is a 519-residue protein from Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC). This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q8FB38.
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The mean pLDDT of this model is 90.7 (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 | 75% |
| 70 to 90 | Confident: backbone generally right | 20% |
| 50 to 70 | Low: treat with caution | 3% |
| Below 50 | Very low: often disordered regions | 3% |
What pLDDT means and how to read it
Part of the ABC transporter complex MalEFGK involved in maltose/maltodextrin import. Probably responsible for the translocation of the substrate across the membrane
The complex is composed of two ATP-binding proteins (MalK), two transmembrane proteins (MalG and MalF) and a solute-binding protein (MalE)
Cell inner membrane
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 9NXC | EM | 3.51 Å | H=1-519 |
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