232 245. Manson MD, Tedesco P, Berg HC, Harold FM, Van der Drift C, A protonmotive force drives bacterial flagella. Proc Natl AcadSci U SA 1977, 74(7):3060-3064. 246. Boyer PD, The binding change mechanism for ATP synthase--some probabilities and possibilities. Biochim Biophys Acta 1993, 1 140(3):215-250. 247. Yasuda R, Noji H, Kinosita K, Jr., Yoshida M, Fl-ATPase is a highly efficient molecular motor that rotates with discrete 120 degree steps. Cell 1998, 93(7):1117-1124. 248. Ariga T, Masaike T, Noji H, Yoshida M, Stepping rotation of F(1)-ATPase with one, two, or three altered catalytic sites that bind ATP only slowly. JBiol Chem 2002, 277(28):24870-24874. 249. Yasuda R, Noji H, Yoshida M, Kinosita K, Jr., Itoh H, Resolution of distinct rotational substeps by submillisecond kinetic analysis of Fl-ATPase. Nature 2001, 410(6831):898-904. 250. Nagle JF, Tristram-Nagle S, Hydrogen bonded chain mechanisms for proton conduction and proton pumping. J2~embr Biol 1983, 74(1): 1-14. 251i. Deckers-Hebestreit G, Altendorf K, The Fo complex of the proton-translocating F-type ATPase of Escherichia coli. JExp Biol 1992, 172:45 1-459. 252. Dimroth P, Sodium ion transport decarboxylases and other aspects of sodium ion cycling in bacteria. M~icrobiolRev 1987, 51(3):320-340. 253. Fillingame RH, Coupling H+ transport and ATP synthesis in F1Fo-ATP synthases: glimpses of interacting parts in a dynamic molecular machine. JExp Biol 1997, 200(Pt 2):217-224. 254. Junge W, ATP synthase and other motor proteins. Proc NatlAcad Sci U SA 1999, 96(9):4735-4737. 255. Vik SB, Antonio BJ, A mechanism of proton translocation by FlFO ATP synthases suggested by double mutants of the a subunit. JBiol Chem 1994, 269(48):30364-30369. 256. Inesi G, Kirtley MR, Structural features of cation transport ATPases. JBioenerg Biomembr 1992, 24(3):271-283. 257. Mosher ME, White LK, Hermolin J, Fillingame RH, H+-ATPase of Escherichia coli. An uncE mutation impairing coupling between Fl and Fo but not Fo- mediated H+ translocation. JBiol Chem 1985, 260(8):4807-4814. 258. Fraga D, Hermolin J, Oldenburg M, Miller MJ, Fillingame RH, Arginine 41 of subunit c of Escherichia coli H(+)-ATP synthase is essential in binding and coupling of F1 to Fo. JBiol Chem 1994, 269(10):7532-7537.