F1N2S7: Testis-specific serine/threonine-protein kinase 6 (TSSK6)

Testis-specific serine/threonine-protein kinase 6 (TSSK6) is a 273-residue protein from Bos taurus. This is its AlphaFold structure prediction, created 1 Jun 2022. UniProt accession: F1N2S7.

Gene
TSSK6
Organism
Bos taurus
Length
273 residues
Mean pLDDT
92.9
Model
AF-F1N2S7-F1 v6
Model created
1 Jun 2022
PDB structures
2

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Model confidence (pLDDT)

The mean pLDDT of this model is 92.9 (very high 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 accurate83%
70 to 90Confident: backbone generally right15%
50 to 70Low: treat with caution2%
Below 50Very low: often disordered regions1%

What pLDDT means and how to read it

Function

Serine/threonine-protein kinase component of the sperm flagellar doublet microtubules. May act as a regulator of sperm motility by mediating phosphorylation of sperm doublet microtubule proteins. Plays a role in DNA condensation during postmeiotic chromatin remodeling and histone-to-protamine transition during spermatogenesis

Subunit structure

Microtubule inner protein component of sperm flagellar doublet microtubules. Interacts with HSP90; this interaction stabilizes and activates TSSK6. Interacts with the heat shock proteins HSPCB, HSPA8 and HSPA1A. These interactions appear to be required for TSSK6 kinase activity. Interacts with TSACC; this interaction is direct and recruits TSACC to HSP90, which is essential for kinase activity

Subcellular location

Cytoplasm, cytoskeleton, flagellum axoneme, Nucleus

Experimental structures in the PDB

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

PDB IDMethodResolutionChains and residues
8OTZEM3.6 Å1/2/x=1-273
9FQREM5.0 Å2/4/Ef/XZ/x=1-273

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