ID   TAPB_AERHY              Reviewed;         568 AA.
AC   P45792;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   03-AUG-2022, entry version 84.
DE   RecName: Full=Type IV pilus assembly protein TapB;
GN   Name=tapB;
OS   Aeromonas hydrophila.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Aeromonadales;
OC   Aeromonadaceae; Aeromonas.
OX   NCBI_TaxID=644;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Ah65;
RX   PubMed=8820654; DOI=10.1046/j.1365-2958.1996.431958.x;
RA   Pepe C.M., Eklund M.W., Strom M.S.;
RT   "Cloning of an Aeromonas hydrophila type IV pilus biogenesis gene cluster:
RT   complementation of pilus assembly functions and characterization of a type
RT   IV leader peptidase/N-methyltransferase required for extracellular protein
RT   secretion.";
RL   Mol. Microbiol. 19:857-869(1996).
CC   -!- FUNCTION: Involved in the translocation of the type IV pilin.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the GSP E family. {ECO:0000305}.
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DR   EMBL; U20255; AAC43996.1; -; Genomic_DNA.
DR   PIR; S70873; S70873.
DR   AlphaFoldDB; P45792; -.
DR   SMR; P45792; -.
DR   STRING; 1448139.AI20_21745; -.
DR   eggNOG; COG2804; Bacteria.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0016887; F:ATP hydrolysis activity; IEA:InterPro.
DR   GO; GO:0009297; P:pilus assembly; IEA:InterPro.
DR   GO; GO:0015031; P:protein transport; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.300.160; -; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   InterPro; IPR013374; ATPase_typ4_pilus-assembl_PilB.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR001482; T2SS/T4SS.
DR   InterPro; IPR037257; T2SS_E_N_sf.
DR   InterPro; IPR007831; T2SS_GspE_N.
DR   Pfam; PF00437; T2SSE; 1.
DR   Pfam; PF05157; T2SSE_N; 1.
DR   SUPFAM; SSF160246; SSF160246; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR02538; type_IV_pilB; 1.
DR   PROSITE; PS00662; T2SP_E; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Fimbrium biogenesis; Nucleotide-binding;
KW   Protein transport; Transport.
FT   CHAIN           1..568
FT                   /note="Type IV pilus assembly protein TapB"
FT                   /id="PRO_0000207298"
FT   BINDING         327..334
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   568 AA;  62579 MW;  CB19EC714B8D3C98 CRC64;
     MTSSPNSGLA LSLAASSLLS ESDSQRYLSQ AKAQRKPFVT FLIENEILDS KALADFCELE
     YGVPLLDLAA FDLAEIPQKY LNQKLIEKHH VLPIYTQGHT LYIAMSDPTN VSALEDFGFS
     FGLHTEALLV EENKLTTAIG KLLESDQDAL GMEDIDESEI SELEVSDENS RLDESVNTTD
     DDAPIVKYIN KIMMDAIKRG ASDLHFEPYE TKYRIRFRID GILHEIATPP VNLANRFSAR
     LKVMARLDIA ERRLPQDGRI KLKLSRNKSM DMRVNTLPTM WGEKIVIRLL DSSAARLNIE
     QLGFDDRQKA QYLRALSKPQ GMILVTGPTG SGKTVSLYTG LNILNTTEVN ISTAEDPVEI
     NLPGVNQVQV NPKAGLTFAS ALRSFLRQDP DVVMVGEIRD LETAEIAIKA AQTGHLVLST
     LHTNSAAETL TRMMNMGVPA FNIASSVTLI MAQRLARKLC DHCKAPEVVP EAELLELGFT
     QQQLAAGLRL FKPVGCKDCS GGYKGRVGIY EIMLMSENIA KLIMQGANSL QIAAIAQKEG
     MRTLRISGLE KARIGVTSLA EINRVTTN