PSTAA_4103 response regulator receiver protein
     PSTAA_4102 pilH; type IV pilus response regulator PilH
     PSTAA_4101 pilI; twitching motility protein PilI
     PSTAA_4099 pilJ; twitching motility protein PilJ
     PSTAA_4098 pilK; methyltransferase PilK
     PSTAA_4097 component of chemotactic signal transduction system
     PSTAA_3740 pilR; two-component response regulator PilR
     PSTAA_3739 pilS; two-component sensor PilS
     PSTAA_4115 pilT; twitching motility protein PilT
     PSTAA_4114 pilU; twitching motility protein PilU

K02657 pilG; twitching motility two-component system response regulator PilG 
K02658 pilH; twitching motility two-component system response regulator PilH 
K02659 pilI; twitching motility protein PilI 
K02660 pilJ; twitching motility protein PilJ 
K02661 pilK; type IV pilus assembly protein PilK 
K06596 chpA; chemosensory pili system protein ChpA (sensor histidine kinase/response regulator) 
K02667 pilR; two-component system, NtrC family, response regulator PilR 
K02668 pilS; two-component system, NtrC family, sensor histidine kinase PilS [EC:2.7.13.3] 
K02669 pilT; twitching motility protein PilT 
K02670 pilU; twitching motility protein PilU