Structural and functional aspects of the Helicobacter pylori secretome

Table 3 Flagella components

Protein symbol	Symbol	Name or proposed function	UniProtKB code	Protein Data Bank code or homology model
FlaB	HP0115	Flagellin subunit	Q07911
FliR	HP0173	Export component	O24978
FlgJ	HP0245	Rod capping protein; muramidase	P64657
FlgI	HP0246	P-ring protein; part of bushing; internal disulfide bridge	O25028
FliJ	HP0256	General chaperone	O25037
FlgL	HP0295	Hook-associated protein 3; second hook-filament junction protein		Model
FlgH	HP0325	L-ring protein; part of bushing; lipoprotein	O25092
FliF	HP0351	MS-ring protein; mounting flange for rotor/ switch and rod; housing for export apparatus	O25118	Model
FliG	HP0352	Rotor/switch protein; torque generation; strong interaction with MS ring	O25119	4FQ0, 3USY, 343
FliH	HP0353	Negative regulator of FliI	O25120	Model
FliO	HP0583	Export component	O25305
FliN	HP0584	C ring; rotor/switch protein	O25306	Model
FlaA	HP0601	Flagellin subunit. Polymerizes with FlaB
FliP	HP0685	Export component	O25394
FlgR	HP0703	Transcriptional activator of flagellar proteins	O25408	Model
FliD	HP0752	HAP2; filament-capping protein; flagellin folding chaperone	P96786
FliS	HP0753	FliC-specific chaperone	O25448	3IQC
FliT	HP0754	FliD-specific chaperone	O25449
FlhB	HP0770	Export component; substrate specificity switch; target for soluble export complex	P56416	Model
MotA	HP0815	Stator protein; exerts torque against rotor/switch	P65410
MotB	HP0816	Stator protein; converts proton energy into torque	P56427	3S02, 3S03, 3S06, 3S0H, 3S0W, 3S0Y, 3CYP, 3CYQ
FlgE	HP0870	Hook protein	P50610
FliK	HP0906	Hook-length-control protein	Q4FEW5
FlgD	HP0907	Hook-capping protein	O25565	Model
FliM	HP1031	C ring; rotor/switch protein; target for CheY-P binding		4GC8
ylxH	HP1034	Flagellum site-determining protein YlxH	O25678	Model
FlhF	HP1035	Flagellar biosynthesis protein	O25679	Model
FlhA	HP1041	Export component; target for soluble export complex	O06758	3MYD
FliS-chaperon	HP1076			3K1H, 3K1I
FlgG_1	HP1092		O25724	Model
FlgK	HP1119	HAP1; first hook-filament junction protein	O25744	Model
FliW1	HP1154	Flagellar assembly factor FliW1	O25769	Model
pFlA	HP1274	Paralysed flagella protein	O25864
FliW2	HP1377	Flagellar assembly factor FliW2	O25929	Model
FliQ	HP1419	Export component	POAO53
FliI	HP1420	ATPase; drives type III flagellar export	O07025	Model
FliC	HP1450	Filament protein; flagellin
FlgN	HP1457	FlgK-, FlgL-specific chaperone	O25995
FlgA	HP1477	Chaperone for P-ring protein	O26012	Model
FliE	HP1557	MS-ring rod junction protein; export gate	P67708
FlgC	HP1558	Rod protein; transmission shaft	O26080
FlgB	HP1559	Rod protein; transmission shaft	O26081
FlgG	HP1585	Distal rod protein; transmission shaft	O26104
FlgF	HP1585?	Rod protein; transmission shaft

The first column refers to the protein symbol, the second to the symbol used for strain ACT 700392/26695, the third to the protein name, the fourth to the UniProtKB code, and the fifth to the Protein Data Bank code, if a three-dimensional structure exists, or to the model if it is possible to build an homology-based molecular model.