Crystal structure of the flagellar type III ATPase FliI

Structural similarity between the flagellar type III ATPase FliI and F1-ATPase subunits

MALLPAVRRYGRLTRATGLVLEATGLQLPLGATCIIERQDGPETKEVESEVVGFNGQRLFLMPLEEVEGILPGARVYARN
GHGDGLQSGKQLPLGPALLGRVLDGGGKPLDGLPAPDTLETGALITPPFNPLQRTPIEHVLDTGVRAINALLTVGRGQRM
GLFAGSGVGKSVLLGMMARYTRADVIVVGLIGERGREVKDFIENILGPDGRARSVVIAAPADVSPLLRMQGAAYATRIAE
DFRDRGQHVLLIMDSLTRYAMAQREIALAIGEPPATKGYPPSVFAKLPALVERAGNGIHGGGSITAFYTVLTEGDDQQDP
IADSARAILDGHIVLSRRLAEAGHYPAIDIEASISRAMTALITEQHYARVRLFKQLLSSFQRNRDLVSVGAYAKGSDPML
DKAITLWPQLEAFLQQGIFERADWEDSLQALDLIFPTV

8% PEG 8000, 0.1M calcium acetate, 3% MPD, 0.1M imidazole, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

monomer or hexamer in solution.
The precise hexameric structure is not known.

BETA BARREL, alpha-beta structure, HYDROLASE