Monopolin complex subunit CSM1 (CSM1) is a 190-residue protein from Saccharomyces cerevisiae (strain ATCC 204508 / S288c). This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: P25651.
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The mean pLDDT of this model is 89.6 (confident 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 | 76% |
| 70 to 90 | Confident: backbone generally right | 16% |
| 50 to 70 | Low: treat with caution | 3% |
| Below 50 | Very low: often disordered regions | 5% |
What pLDDT means and how to read it
Component of the monopolin complex which promotes monoorientation during meiosis I, required for chromosome segregation during meiosis. Also plays a mitotic role in DNA replication
Component of the monopolin complex composed of at least CSM1, LRS4 and MAM1. The complex associates with the kinetochore. Interacts with CDC46, CDC47, GIC1, GIC2, MCM3 and NUR1
Nucleus, nucleolus, Chromosome, centromere
Compare the prediction with experimentally determined structures of the same protein:
| PDB ID | Method | Resolution | Chains and residues |
|---|---|---|---|
| 5V3N | X-ray | 1.3 Å | A=69-181 |
| 6DEI | X-ray | 1.7 Å | A/B=69-181 |
| 5V1A | X-ray | 2.14 Å | A=69-190 |
| 3N4S | X-ray | 2.35 Å | A/B/C/D=69-181 |
| 3N4R | X-ray | 2.6 Å | A/B/C/D=69-181 |
| 5KTB | X-ray | 3.05 Å | A/B=1-190 |
| 3N4X | X-ray | 3.41 Å | A/B/C/D=1-190 |
| 3N7N | X-ray | 3.9 Å | A/B/C/D=1-190 |
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