Q14U76: Bone sialoprotein-binding protein (bbp)

Bone sialoprotein-binding protein (bbp) is a 1149-residue protein from Staphylococcus aureus. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q14U76.

Gene
bbp
Organism
Staphylococcus aureus
Length
1149 residues
Mean pLDDT
70.9
Model
AF-Q14U76-F1 v6
Model created
1 Aug 2025
PDB structures
2

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Model confidence (pLDDT)

The mean pLDDT of this model is 70.9 (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 bandMeaningShare of residues
Above 90Very high: backbone and side chains are usually accurate52%
70 to 90Confident: backbone generally right5%
50 to 70Low: treat with caution2%
Below 50Very low: often disordered regions41%

What pLDDT means and how to read it

Function

Specifically interacts with bone sialoprotein (BSP), a glycoprotein of bone and dentin extracellular matrix. Could contribute to staphylococcal osteomyelitis and arthritis

Subcellular location

Secreted, cell wall

Experimental structures in the PDB

Compare the prediction with experimentally determined structures of the same protein:

PDB IDMethodResolutionChains and residues
5CFAX-ray1.45 ÅA/B=272-598
5CF3X-ray2.03 ÅA=272-598

More AlphaFold highlights

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