Actin assembly-inducing protein (actA) is a 639-residue protein from Listeria monocytogenes serovar 1/2a (strain ATCC BAA-679 / EGD-e). This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: P33379.
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The mean pLDDT of this model is 43.6 (very 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 | 0% |
| 70 to 90 | Confident: backbone generally right | 9% |
| 50 to 70 | Low: treat with caution | 18% |
| Below 50 | Very low: often disordered regions | 73% |
What pLDDT means and how to read it
Virulence factor required for host cell microfilament interaction. It induces actin assembly around the bacteria to allow it to move within the cytoplasm. It is involved in the actin polymerization process. It seems to act as a nucleator that induces the reorganization of the actin cytoskeleton
Cell membrane
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 5NC2 | X-ray | 1.58 Å | I/J=336-344 |
| 5NC7 | X-ray | 2.7 Å | I/J/K/L/W/X/Y/Z=335-344 |
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