Q92974: Rho guanine nucleotide exchange factor 2 (ARHGEF2)

Rho guanine nucleotide exchange factor 2 (ARHGEF2) is a 986-residue protein from Homo sapiens. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q92974.

Gene
ARHGEF2
Organism
Homo sapiens
Length
986 residues
Mean pLDDT
69.2
Model
AF-Q92974-F1 v6
Model created
1 Aug 2025
PDB structures
60

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Model confidence (pLDDT)

The mean pLDDT of this model is 69.2 (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 right21%
50 to 70Low: treat with caution9%
Below 50Very low: often disordered regions34%

What pLDDT means and how to read it

Function

Activates Rho-GTPases by promoting the exchange of GDP for GTP. May be involved in epithelial barrier permeability, cell motility and polarization, dendritic spine morphology, antigen presentation, leukemic cell differentiation, cell cycle regulation, innate immune response, and cancer. Binds Rac-GTPases, but does not seem to promote nucleotide exchange activity toward Rac-GTPases, which was uniquely reported in PubMed:9857026. May stimulate instead the cortical activity of Rac. Inactive toward CDC42, TC10, or Ras-GTPases. Forms an intracellular sensing system along with NOD1 for the detection of microbial effectors during cell invasion by pathogens. Required for RHOA and RIP2 dependent…

Subunit structure

Found in a complex composed at least of ARHGEF2, NOD2 and RIPK2. Interacts with RIPK2; the interaction mediates tyrosine phosphorylation of RIPK2 by Src kinase CSK. Interacts with RIPK1 and RIPK3. Interacts with YWHAZ/14-3-3 zeta; when phosphorylated at Ser-886. Interacts with the kinases PAK4, AURKA and MAPK1. Interacts with RHOA and RAC1. Interacts with NOD1. Interacts (via the N-terminal zinc…

Subcellular location

Cytoplasm, cytoskeleton, Cytoplasm, Cell junction, tight junction, Golgi apparatus, Cytoplasm, cytoskeleton, spindle, Cell projection, ruffle membrane, Cytoplasmic vesicle

Disease associations

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
7G83X-ray1.31 ÅB=206-448
7G8TX-ray1.39 ÅB=206-448
8BNTX-ray1.4 ÅB=206-448
7G82X-ray1.41 ÅB=206-448
7G8BX-ray1.42 ÅB=206-448
7G8FX-ray1.42 ÅB=206-448
7G8RX-ray1.44 ÅB=206-448
7G8VX-ray1.45 ÅB=206-448
7G94X-ray1.47 ÅB=206-448
7G8KX-ray1.49 ÅB=206-448
7G8AX-ray1.5 ÅB=206-448
7G81X-ray1.51 ÅB=206-448
7G8ZX-ray1.51 ÅB=206-448
7G95X-ray1.55 ÅB=206-448
7G8QX-ray1.56 ÅB=206-448
7G8OX-ray1.58 ÅB=206-448
7G8LX-ray1.6 ÅB=206-448
7G8SX-ray1.6 ÅB=206-448
7G80X-ray1.67 ÅB=206-448
7G8HX-ray1.67 ÅB=206-448

Showing 20 of 60 experimental structures (best resolution first).

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