ID   FLID_TREMA              Reviewed;         673 AA.
AC   Q9KWW7;
DT   26-SEP-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   25-MAY-2022, entry version 48.
DE   RecName: Full=Flagellar hook-associated protein 2;
DE            Short=HAP2;
DE   AltName: Full=Filament cap protein;
DE   AltName: Full=Flagellar cap protein;
GN   Name=fliD;
OS   Treponema maltophilum.
OC   Bacteria; Spirochaetes; Spirochaetales; Treponemataceae; Treponema.
OX   NCBI_TaxID=51160;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 51939 / DSM 27366 / CIP 105146 / OMZ 679 / BR;
RX   PubMed=10708388; DOI=10.1099/00221287-146-2-497;
RA   Heuner K., Grosse K., Schade R., Goebel U.B.;
RT   "A flagellar gene cluster from the oral spirochaete Treponema
RT   maltophilum.";
RL   Microbiology 146:497-507(2000).
CC   -!- FUNCTION: Required for the morphogenesis and for the elongation of the
CC       flagellar filament by facilitating polymerization of the flagellin
CC       monomers at the tip of growing filament. Forms a capping structure,
CC       which prevents flagellin subunits (transported through the central
CC       channel of the flagellum) from leaking out without polymerization at
CC       the distal end (By similarity). {ECO:0000250}.
CC   -!- SUBUNIT: Homopentamer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Periplasmic flagellum. Periplasm.
CC   -!- SIMILARITY: Belongs to the FliD family. {ECO:0000305}.
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DR   EMBL; Y18889; CAB67252.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9KWW7; -.
DR   PRIDE; Q9KWW7; -.
DR   GO; GO:0009421; C:bacterial-type flagellum filament cap; IEA:InterPro.
DR   GO; GO:0009424; C:bacterial-type flagellum hook; IEA:InterPro.
DR   GO; GO:0055040; C:periplasmic flagellum; IEA:UniProtKB-SubCell.
DR   GO; GO:0007155; P:cell adhesion; IEA:InterPro.
DR   InterPro; IPR040026; FliD.
DR   InterPro; IPR010809; FliD_C.
DR   InterPro; IPR003481; FliD_N.
DR   PANTHER; PTHR30288; PTHR30288; 1.
DR   Pfam; PF07195; FliD_C; 1.
DR   Pfam; PF02465; FliD_N; 1.
PE   3: Inferred from homology;
KW   Bacterial flagellum; Coiled coil; Periplasm.
FT   CHAIN           1..673
FT                   /note="Flagellar hook-associated protein 2"
FT                   /id="PRO_0000177026"
FT   REGION          649..673
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COILED          611..664
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   673 AA;  73808 MW;  CAD4017940B1340B CRC64;
     MADISIPGVT DKYKTNDLIK NLMEAERVPL TREQKQLETY KTQQETWRNV NTQMTYVRES
     VRSLYSFDNP FSSKLASSTD EYAVSATPKR DAALESFKVE VLQTATADRF LSAELDAKMQ
     VPAGNYEYAV NDKKVSFNWK GGKLSDFVAA LNRRSANTIK ASIIGISKDK QALLIESLIT
     GSENRLTFSG AARDFALQTG MIGKAPAAAQ DSFTIKRDTI RNADNLNSKT VEFSQDALTV
     PPRSGFESPI PQKIAAEKTK TIRFNVRAID IPAEEVLPDK PELPSAGTVS FKDVTLSNEE
     FDTKLPLSEE TEKVPAEPVE DYAAVFVKAA DGTEIPLGPL KPNGENTSYS IAASDYPGMS
     ALVIKNNNTH KKIVMTKPET IDMAASSGYI PLNPAETAAD AKIKYQGITI TRPSNTIDDV
     VPNVTLNIQA KTEKPATISI EPDKKAAKEA LITFVGKYNR LMAELNILTQ TKPEIITELE
     YFTEDEAKAA EKRLGMFQTE FSLANGKRAL QTITSGRYPT ADDAQITMCR KSGISTSAST
     SGFTGVSASR LRGYLEIDEK KLDAAPQSNM QDIKNLFGYD SDGDLVIDSG IAFAIDKNLQ
     SFTQIGGIIA SKTSTLNTRI SSSQKNIETL ESKLKRKEQD LKTKYGQMEA SLNSLEKQSD
     SITNFSDNQR SGR