Q86TV6: Tetratricopeptide repeat protein 7B (TTC7B)

Tetratricopeptide repeat protein 7B (TTC7B) is a 843-residue protein from Homo sapiens. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q86TV6.

Gene
TTC7B
Organism
Homo sapiens
Length
843 residues
Mean pLDDT
85.0
Model
AF-Q86TV6-F1 v6
Model created
1 Aug 2025
PDB structures
5

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Model confidence (pLDDT)

The mean pLDDT of this model is 85.0 (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 accurate62%
70 to 90Confident: backbone generally right24%
50 to 70Low: treat with caution7%
Below 50Very low: often disordered regions8%

What pLDDT means and how to read it

Function

Component of a complex required to localize phosphatidylinositol 4-kinase (PI4K) to the plasma membrane. The complex acts as a regulator of phosphatidylinositol 4-phosphate (PtdIns(4)P) synthesis. In the complex, plays a central role in bridging PI4KA to EFR3B and HYCC1, via direct interactions (PubMed:26571211)

Subunit structure

Component of a phosphatidylinositol 4-kinase (PI4K) complex, composed of PI4KA, EFR3 (EFR3A or EFR3B), TTC7 (TTC7A or TTC7B) and HYCC (HYCC1 or HYCC2) (PubMed:23229899). Interacts with PI4KA, interaction is direct (PubMed:26571211). Interacts with EFR3 (EFR3A or EFR3B), interaction is direct (PubMed:26571211). Interacts with HYCC (HYCC1 or HYCC2), interaction is direct (PubMed:26571211).…

Subcellular location

Cytoplasm, cytosol, Cell membrane

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
5DSEX-ray2.9 ÅA/C=7-843
9B9GEM3.5 ÅD/F=1-843
9OT6EM3.54 ÅD/F=1-843
6BQ1EM3.6 ÅB/F=1-843
9BAXEM3.65 ÅD/F=1-843

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