Flagellar proteins

From Proteopedia

spinqualitylabelsall models E. coli Se-Met FliD D1-D2-D3 domain (PDB entry 5h5v) Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image Function The Flagellar proteins FlgK (or HAP1), FlgL (or HAP3) and FliD (or HAP2) are part of the bacterial flagellum [1]. These 3 proteins seem to be located at the claw-shaped end of the flagellum and play an essential role in filament formation. Flagellar protein FlgA is a chaperone protein required for P-ring assembly in bacterial flagella[2]. For details see Samatey/2.

See Also

• Flagella, bacterial
• Flagellar filament of bacteria
• The Bacterial Flagellar Hook
• Complete Flagellar Hook Structure determined by cryo-EM in 2016.
• Structural insights into bacterial flagellar hook similarities and specifities (2016).
• Other recent reports on structures of flagellar components at Samatey.

3D Structures of flagellar proteins

Updated on 01-January-2018

4ut1 – FlgK – Burkholderia pseudomallei
2d4x – StFlgL – Salmonella typhimurium
2d4y – StFlgK
5gna – StFlgK residues 401-467 + FliT
5h5t – StFliD D2-D3 domain
5h5v – EcFliD D1-D2-D3 domain – Escherichia coli
5h5w – EcFliD D2-D3 domain
5xlk, 5xlj – FliD D2-D3 domain – Serratia marcascens
5fhy – FliD D2-D3 domain – Pseudomonas aeruginosa
3vki, 3vjp, 3tee – StFlgA
3frn – FlgA – Thermotoga maritima

References

1. ↑ Homma M, DeRosier DJ, Macnab RM. Flagellar hook and hook-associated proteins of Salmonella typhimurium and their relationship to other axial components of the flagellum. J Mol Biol. 1990 Jun 20;213(4):819-32. PMID:2193164
2. ↑ Matsunami H, Yoon YH, Meshcheryakov VA, Namba K, Samatey FA. Structural flexibility of the periplasmic protein, FlgA, regulates flagellar P-ring assembly in Salmonella enterica. Sci Rep. 2016 Jun 7;6:27399. doi: 10.1038/srep27399. PMID:27273476 doi:http://dx.doi.org/10.1038/srep27399