524F7380D7F9AF7060D30AE9D8D5B456464DBA45B707153DD7E6823735B88AD022502BEF504AA77809F41D216FB313BD

The pili are polar flexible filaments of about 5.4 nanometers diameter and 2.5 micrometers average length; they consist of only a single polypeptide chain arranged in a helical configuration of five subunits per turn in the assembled pilus.

Source:http://purl.uniprot.org/SHA-384/524F7380D7F9AF7060D30AE9D8D5B456464DBA45B707153DD7E6823735B88AD022502BEF504AA77809F41D216FB313BD