Type: | Domain | Name: | F-type ATP synthase subunit B-like, membrane domain |
Description: | The b subunit of the E. coli F-type ATP synthase is present as a dimer and links the peripheral F(1) subunits to the membrane-integral F(0) portion. The dimerisation domain of the b subunit consists of an alpha-helical coiled-coil structure. In the dimer the two helices form a coiled coil with a right-handed superhelical twist. Analysis of b sequences from other prokaryotes indicates conservation of an undecad repeat in this domain []. This entry represents a membrane domain that covers most of the dimerisation domain of the b subunit of the E. coli F-type ATP synthase. | Short Name: | ATPase_B-like_membr |