PtlA is a component of Ptl T4SS. PtlA is the pilus or piluslike structure

Proteins belonging to this kind of component are listed
(You can select < 50 proteins to perform sequence alignment by MUSCLE)
#ComponentProtein ID T4SS Accession Organism
1 PtlA33603868PtlNC_002927Bordetella bronchiseptica RB50
2 PtlA33598793PtlNC_002928Bordetella parapertussis 12822
3 PtlA33594643PtlNC_002929Bordetella pertussis Tohama I
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Multiple protein sequence alignment by MUSCLE online