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1.A.30.1.2
The flagellar motor (smf-dependent) (PomAB; MotXY) (Okabe et al., 2005). PomB interacts with the third TMS of PomA in the Na+-driven polar flagellum (Yakushi et al. 2004). Sodium-powered stators of the flagellar motor can generate torque in the presence of the sodium channel blocker, phenamil, with mutations near the peptidoglycan-binding region of PomB (Ishida et al. 2019). FliL associates with the flagellar stator in the sodium-driven Vibrio motor (Lin et al. 2018). When the ion channel is closed, PomA and PomB interact strongly. When the ion channel opens, PomA interacts less tightly with PomB. The plug and loop between TMSs 1 and 2 regulate activation of the stator, which depends on the binding of sodium ion to the D24 residue of PomB (Nishikino et al. 2019).

Accession Number:P74944
Protein Name:MotY
Length:293
Molecular Weight:33484.00
Species:Vibrio alginolyticus [663]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Membrane1 / Single-pass type I membrane protein2
Substrate Na+

Cross database links:

Pfam: PF00691   

Gene Ontology

GO:0009288 C:bacterial-type flagellum
GO:0009279 C:cell outer membrane
GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0003774 F:motor activity
GO:0001539 P:ciliary or flagellar motility

References (1)

[1] “Cloning and characterization of motY, a gene coding for a component of the sodium-driven flagellar motor in Vibrio alginolyticus.”  Okunishi I.et.al.   8636046
Structure:
2ZF8     

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MKKWLITSGV VFSLFSTSSF AVMGKRYVAT PQQSQWEMVV NTPLECQLVH PIPSFGDAVF 
61:	SSRANKKINL DFELKMRRPM GETRNVSLIS MPPPWRPGEH ADRITNLKFF KQFDGYVGGQ 
121:	TAWGILSELE KGRYPTFSYQ DWQSRDQRIE VALSSVLFQN KYNAFSDCIS NLLKYSFEDI 
181:	AFTILHYERQ GDQLTKASKK RLSQIADYIR HNQDIDLVLV ATYTDSTDGK SASQSLSERR 
241:	AESLRDYFQS LGLPEDRIQV QGYGKRRPIA DNGSPIGKDK NRRVVISLGR TQV