Flagellin
Flagellin is the helical polymer that bacterial flagellum is made up from. They form 53 kDa subunits which assemble into polymers which have a diameter of 15 nm and a length of up to 15um [1].
References
- ↑ Stryer, L.; Berg, J. M.; Tymoczko, J. L. (2002), Biochemistry (5th ed.), New York: W. H. Freeman, ISBN 0716746840