HMM Summary Page: TIGR03818

Functionflagellar motor stator protein MotA
Gene SymbolmotA
Trusted Cutoff303.80
Domain Trusted Cutoff303.80
Noise Cutoff277.10
Domain Noise Cutoff277.10
Isology Typeequivalog
HMM Length282
AuthorSelengut J
Entry DateSep 8 2009 2:28PM
Last ModifiedFeb 14 2011 3:27PM
CommentThe MotA protein, along with its partner MotB, comprise the stator complex of the bacterial flagellar motor. MotAB span the cytoplasmic membrane and undergo conformational changes powered by the translocation of protons. These conformational changes in turn are communicated to the rotor assembly, producing torque [1]. This model represents one family of MotA proteins which are often not identified by the "transporter, MotA/TolQ/ExbB proton channel family" model, PF01618.
ReferencesRN [1] RM PMID:19683537 RT Role of a Conserved Prolyl Residue (Pro173) of MotA in the Mechanochemical Reaction Cycle of the Proton-Driven Flagellar Motor of Salmonella. RA Nakamura S, Morimoto YV, Kami-Ike N, Minamino T, Namba K RL J Mol Biol. 2009 Aug 14.
Genome PropertyGenProp0877: flagellar motor stator complex (HMM)