Fiber | Gene | Monomer mass (kDa) | No. of protein chains per fiber | Location |
---|---|---|---|---|
STF | 12 | 55.3 | 3 | Baseplate |
 | 34 | 140.0 | 3 | Proximal part, connected to the baseplate |
LTF | 35 | 30.0 | 1 | Hinge region |
 | 36 | 23.0 | 3 | Distal part, hinge connection |
 | 37 | 109.0 | 3 | Distal part, receptor recognition tip |
Head whisker | wac | 51.9 | 3 | Head-tail joining region |