Q9ER39: Torsin-1A (Tor1a)

Torsin-1A (Tor1a) is a 333-residue protein from Mus musculus. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q9ER39.

Gene
Tor1a
Organism
Mus musculus
Length
333 residues
Mean pLDDT
84.4
Model
AF-Q9ER39-F1 v6
Model created
1 Aug 2025
PDB structures
1

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Model confidence (pLDDT)

The mean pLDDT of this model is 84.4 (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 accurate63%
70 to 90Confident: backbone generally right15%
50 to 70Low: treat with caution15%
Below 50Very low: often disordered regions7%

What pLDDT means and how to read it

Function

Protein with chaperone functions important for the control of protein folding, processing, stability and localization as well as for the reduction of misfolded protein aggregates. Involved in the regulation of synaptic vesicle recycling, controls STON2 protein stability in collaboration with the COP9 signalosome complex (CSN). In the nucleus, may link the cytoskeleton with the nuclear envelope, this mechanism seems to be crucial for the control of nuclear polarity, cell movement and, specifically in neurons, nuclear envelope integrity. Participates in the cellular trafficking and may regulate the subcellular location of multipass membrane proteins such as the dopamine transporter SLC6A3,…

Subunit structure

Homohexamer. Interacts with TOR1B; the interaction may be specific of neural tissues. Interacts (ATP-bound) with TOR1AIP1 and TOR1AIP2; the interactions induce ATPase activity. Interacts with KLHL14; preferentially when ATP-free. Interacts with KLC1 (via TPR repeats); the interaction associates TOR1A with the kinesin oligomeric complex. Interacts with COPS4; the interaction associates TOR1A with…

Subcellular location

Endoplasmic reticulum lumen, Nucleus membrane, Cell projection, growth cone, Cytoplasmic vesicle membrane, Synapse, synaptosome, Cytoplasm, cytoskeleton, Cytoplasmic vesicle, secretory vesicle, Cytoplasmic vesicle, secretory vesicle, synaptic vesicle

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
6FV0X-ray2.29 ÅA=322-333

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