ID   A0A1M6E8X4_9FIRM        Unreviewed;       645 AA.
AC   A0A1M6E8X4;
DT   15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT   15-MAR-2017, sequence version 1.
DT   03-MAY-2023, entry version 16.
DE   RecName: Full=Flagellar hook-associated protein 2 {ECO:0000256|RuleBase:RU362066};
DE            Short=HAP2 {ECO:0000256|RuleBase:RU362066};
DE   AltName: Full=Flagellar cap protein {ECO:0000256|RuleBase:RU362066};
GN   ORFNames=SAMN05444373_101115 {ECO:0000313|EMBL:SHI81738.1};
OS   Thermoclostridium caenicola.
OC   Bacteria; Bacillota; Clostridia; Eubacteriales; Oscillospiraceae;
OC   Thermoclostridium.
OX   NCBI_TaxID=659425 {ECO:0000313|EMBL:SHI81738.1, ECO:0000313|Proteomes:UP000324781};
RN   [1] {ECO:0000313|EMBL:SHI81738.1, ECO:0000313|Proteomes:UP000324781}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 19027 {ECO:0000313|EMBL:SHI81738.1,
RC   ECO:0000313|Proteomes:UP000324781};
RA   Varghese N., Submissions S.;
RL   Submitted (NOV-2016) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Required for 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. {ECO:0000256|RuleBase:RU362066}.
CC   -!- SUBUNIT: Homopentamer. {ECO:0000256|ARBA:ARBA00011255,
CC       ECO:0000256|RuleBase:RU362066}.
CC   -!- SUBCELLULAR LOCATION: Secreted {ECO:0000256|RuleBase:RU362066}.
CC       Bacterial flagellum {ECO:0000256|RuleBase:RU362066}.
CC   -!- SIMILARITY: Belongs to the FliD family. {ECO:0000256|ARBA:ARBA00009764,
CC       ECO:0000256|RuleBase:RU362066}.
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DR   EMBL; FQZP01000011; SHI81738.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A1M6E8X4; -.
DR   OrthoDB; 9776025at2; -.
DR   Proteomes; UP000324781; Unassembled WGS sequence.
DR   GO; GO:0009421; C:bacterial-type flagellum filament cap; IEA:InterPro.
DR   GO; GO:0009424; C:bacterial-type flagellum hook; IEA:UniProtKB-UniRule.
DR   GO; GO:0005576; C:extracellular region; 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; FLAGELLAR CAP/ASSEMBLY PROTEIN FLID; 1.
DR   PANTHER; PTHR30288:SF0; FLAGELLAR HOOK-ASSOCIATED PROTEIN 2; 1.
DR   Pfam; PF07195; FliD_C; 1.
DR   Pfam; PF02465; FliD_N; 1.
PE   3: Inferred from homology;
KW   Bacterial flagellum {ECO:0000256|ARBA:ARBA00023143,
KW   ECO:0000256|RuleBase:RU362066};
KW   Cell projection {ECO:0000313|EMBL:SHI81738.1};
KW   Cilium {ECO:0000313|EMBL:SHI81738.1};
KW   Coiled coil {ECO:0000256|ARBA:ARBA00023054};
KW   Flagellum {ECO:0000313|EMBL:SHI81738.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000324781};
KW   Secreted {ECO:0000256|RuleBase:RU362066}.
FT   DOMAIN          22..124
FT                   /note="Flagellar hook-associated protein 2 N-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF02465"
FT   DOMAIN          347..632
FT                   /note="Flagellar hook-associated protein 2 C-terminal"
FT                   /evidence="ECO:0000259|Pfam:PF07195"
SQ   SEQUENCE   645 AA;  71381 MW;  76661727457D5D5A CRC64;
     MNIFNTSGIT GFSSKTRITG LSGLDTDTMV QELMKAERIP LDRLYQKRTL VEWKRDAYRE
     VINRLRGLKS TFFDIVNRSS YILSTNSVKV MSAKTSSNAY LDVSAVADAQ AGIHRVKVLQ
     VATGDKAVSG APVSRAITGE VSDDLNLSGK SIMVTLDGVS KEIALDNYSL NPADPNYIAT
     QLQDALDKAF GTGKLTVGFE SGKLTIGTTG GATRVTVGNP ADPEKSGLSA LGLKAGDSNR
     ISLNDTLEKL QDKLAEPLQF NENGEVQFSI NGKLITAKKT ETLSQVLARI NNTTEANVTI
     QYDELADKFT LTSKQLGQGD NLVVEDIGGN FLTALGLSDD RAERTEGQDA VILINGNQQV
     VRSSNQFTIN GVTYNLKEAH PTDSEGDTVT VEMDVDKAVE NIRNFINKYN ELIDYLNGKI
     NEKYDRNFPP LTDAQKAEMK DSDIEKWEAK AKTGLLRNDD ILRRMLTAMR TAMYEPVEGC
     SLTMKDIGIG TTSYLDGGRL TVDEDKLRKA LMENPDEVAK LLNGVDPENP AYYRTSTAEQ
     KASRYKKSGV FHRIADIIED QISIYRDANG NKGVLLEKAG MEGDITYNDN LLDDELEDYD
     KRIKAMIEKL TRKEENYYRQ FSVLETYISQ MNMQSAWLAM QFNQG
//