Deoxyuridine 5'-triphosphate nucleotidohydrolase (dut) is a 154-residue protein from Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv). This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: P9WNS5.
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The mean pLDDT of this model is 98.1 (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 | 99% |
| 70 to 90 | Confident: backbone generally right | 1% |
| 50 to 70 | Low: treat with caution | 0% |
| Below 50 | Very low: often disordered regions | 0% |
What pLDDT means and how to read it
This enzyme is involved in nucleotide metabolism: it produces dUMP, the immediate precursor of thymidine nucleotides and it decreases the intracellular concentration of dUTP so that uracil cannot be incorporated into DNA
Homotrimer
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 3HZA | X-ray | 1.2 Å | A=1-154 |
| 3LOJ | X-ray | 1.25 Å | A=1-154 |
| 1SIX | X-ray | 1.3 Å | A=1-154 |
| 5ECT | X-ray | 1.3 Å | A=1-142 |
| 8CGA | X-ray | 1.3 Å | A=1-154 |
| 2PY4 | X-ray | 1.49 Å | A=1-154 |
| 4GCY | X-ray | 1.5 Å | A=1-154 |
| 1SJN | X-ray | 1.8 Å | A/B/C=1-154 |
| 3H6D | X-ray | 1.8 Å | A=1-154 |
| 3I93 | X-ray | 1.8 Å | A=1-138 |
| 1SNF | X-ray | 1.85 Å | A/B/C=1-154 |
| 1MQ7 | X-ray | 1.95 Å | A=1-154 |
| 5EDD | X-ray | 1.97 Å | A=1-154 |
| 1SMC | X-ray | 2.1 Å | A/B/C=1-154 |
| 7PWX | X-ray | 2.75 Å | HHH/III/JJJ/KKK/LLL/MMM=1-136 |
| 1SM8 | X-ray | 2.9 Å | A/B/C=1-154 |
| 1SLH | X-ray | 3.0 Å | A/B/C=1-154 |
| 8P8O | X-ray | 3.4 Å | A/B/C/D/E/G=1-154 |
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