Q8C8U0: Liprin-beta-1 (Ppfibp1)

Liprin-beta-1 (Ppfibp1) is a 969-residue protein from Mus musculus. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q8C8U0.

Gene
Ppfibp1
Organism
Mus musculus
Length
969 residues
Mean pLDDT
68.4
Model
AF-Q8C8U0-F1 v6
Model created
1 Aug 2025
PDB structures
3

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Model confidence (pLDDT)

The mean pLDDT of this model is 68.4 (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 bandMeaningShare of residues
Above 90Very high: backbone and side chains are usually accurate37%
70 to 90Confident: backbone generally right18%
50 to 70Low: treat with caution7%
Below 50Very low: often disordered regions38%

What pLDDT means and how to read it

Function

May regulate the disassembly of focal adhesions. Did not bind receptor-like tyrosine phosphatases type 2A (By similarity)

Subunit structure

Forms homodimers and heterodimers. Interacts with S100A4 in a Ca(2+)-dependent mode. Part of a cortical microtubule stabilization complex (CMSC) composed of KANK1, PPFIA1, PPFIBP1, ERC1/ELKS, PHLDB2/LL5beta, CLASPs, KIF21A and possibly additional interactors; within CMSCs KANK1 and PHLDB2/LL5beta seem to be the core components for recruiting microtubule-binding proteins KIF21A and CLASPs,…

Subcellular location

Cytoplasm, cell cortex

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
8IW5X-ray1.7 ÅA/B=43-89
8IW0X-ray2.1 ÅA/B/C/D=1-23
3TADX-ray2.9 ÅC/D=593-853

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