SPRY domain-containing SOCS box protein 1 (SPSB1) is a 273-residue protein from Homo sapiens. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q96BD6.
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The mean pLDDT of this model is 92.0 (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 | 81% |
| 70 to 90 | Confident: backbone generally right | 12% |
| 50 to 70 | Low: treat with caution | 5% |
| Below 50 | Very low: often disordered regions | 3% |
What pLDDT means and how to read it
Substrate recognition component of a SCF-like ECS (Elongin BC-CUL2/5-SOCS-box protein) E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins (PubMed:15601820, PubMed:21199876). Negatively regulates nitric oxide (NO) production and limits cellular toxicity in activated macrophages by mediating the ubiquitination and proteasomal degradation of NOS2 (PubMed:21199876). Acts as a bridge which links NOS2 with the ECS E3 ubiquitin ligase complex components ELOC and CUL5 (PubMed:21199876)
Component of the probable ECS(SPSB1) E3 ubiquitin-protein ligase complex which contains CUL5, RNF7/RBX2, Elongin BC complex and SPSB1 (PubMed:15601820). Interacts with CUL5, RNF7, ELOB and ELOC (PubMed:15601820). Directly interacts with MET tyrosine kinase domain in the presence and in the absence of HGF, however HGF treatment has a positive effect on this interaction (PubMed:15713673). When…
Cytoplasm, Cytoplasm, cytosol
Compare the prediction with experimentally determined structures of the same protein:
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