Files in this Data Supplement:

• Supplemental file 1 - Supplemental methods for plasmid and strain construction; legends to supplemental figures; footnotes to supplemental tables
  Word document, 57K.
• Supplemental file 2 - Table S1, number and placement of flagella in fully sequenced alphaproteobacteria
  Word document, 131K.
• Supplemental file 3 - Table S2, class II flagellar genome regions
  Word document, 292K.
• Supplemental file 4 - Table S3, ORFs of unknown function in class II flagellar genome regions
  Zipped PDF document, 106K.
• Supplemental file 5 - Table S4, summary of blind EM data for ƒ´pflI and wild-type strains
  Word document, 51K.
• Supplemental file 6 - Table S5, summary of blind EM experiments for wild-type and pflI overexpression strains grown in glucose or xylose
  Word document, 84K.
• Supplemental file 7 - Fig. S1, effect of cell cycle on polar localization of PflI-GFP
  Zipped EPS document, 663K.
• Supplemental file 8 - Fig. S2, localization of PflI-GFP
  Zipped EPS document, 576K.
• Supplemental file 9 - Fig. S3, immunoblot analysis of crescentin levels in wild-type and mutant strains
  Zipped EPS document, 309K.