DNA repair and telomere maintenance protein NBS1 (NBS1) is a 954-residue protein from Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719). This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: G0SAV1.
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The mean pLDDT of this model is 63.0 (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 | 28% |
| 70 to 90 | Confident: backbone generally right | 12% |
| 50 to 70 | Low: treat with caution | 12% |
| Below 50 | Very low: often disordered regions | 48% |
What pLDDT means and how to read it
Component of the MRN complex, which plays a central role in double-strand break (DSB) repair, DNA recombination, maintenance of telomere integrity and meiosis (By similarity). The MRN complex is involved in the repair of DNA double-strand breaks (DSBs) via homologous recombination (HR), an error-free mechanism which primarily occurs during S and G2 phases (By similarity). The complex (1) mediates the end resection of damaged DNA, which generates proper single-stranded DNA, a key initial steps in HR, and is (2) required for the recruitment of other repair factors and efficient activation of ATM and ATR upon DNA damage (By similarity). The MRN complex possesses single-strand endonuclease…
Component of the MRN complex composed of two heterodimers RAD50 and MRE11 associated with a single NBS1
Nucleus, Chromosome
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 7ZR1 | EM | 4.0 Å | E=1-954 |
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