Q9NSV4: Protein diaphanous homolog 3 (DIAPH3)

Protein diaphanous homolog 3 (DIAPH3) is a 1193-residue protein from Homo sapiens. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q9NSV4.

Gene
DIAPH3
Organism
Homo sapiens
Length
1193 residues
Mean pLDDT
71.8
Model
AF-Q9NSV4-F1 v6
Model created
1 Aug 2025
PDB structures
2

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Model confidence (pLDDT)

The mean pLDDT of this model is 71.8 (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 accurate30%
70 to 90Confident: backbone generally right35%
50 to 70Low: treat with caution10%
Below 50Very low: often disordered regions26%

What pLDDT means and how to read it

Function

Actin nucleation and elongation factor required for the assembly of F-actin structures, such as actin cables and stress fibers. Required for cytokinesis, stress fiber formation and transcriptional activation of the serum response factor. Binds to GTP-bound form of Rho and to profilin: acts in a Rho-dependent manner to recruit profilin to the membrane, where it promotes actin polymerization. DFR proteins couple Rho and Src tyrosine kinase during signaling and the regulation of actin dynamics. Also acts as an actin nucleation and elongation factor in the nucleus by promoting nuclear actin polymerization inside the nucleus to drive serum-dependent SRF-MRTFA activity

Subcellular location

Cytoplasm, Nucleus

Disease associations

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
5UWPX-ray2.05 ÅD=1179-1193
6X2YX-ray2.3 ÅD=1183-1193

More AlphaFold highlights

About this viewer

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