HHsearch alignment for GI: 254780548 and conserved domain: TIGR02800

>TIGR02800 propeller_TolB Tol-Pal system beta propeller repeat protein TolB; InterPro: IPR014167 Members of this protein family are the TolB periplasmic protein of Gram-negative bacteria. TolB is part of the Tol-Pal (peptidoglycan-associated lipoprotein) multiprotein complex, comprising five envelope proteins, TolQ, TolR, TolA, TolB and Pal, which form two complexes. The TolQ, TolR and TolA inner-membrane proteins interact via their transmembrane domains. The {beta}-propeller domain of the periplasmic protein TolB is responsible for its interaction with Pal. TolB also interacts with the outer-membrane peptidoglycan-associated proteins Lpp and OmpA. TolA undergoes a conformational change in response to changes in the proton-motive force, and interacts with Pal in an energy-dependent manner. The C-terminal periplasmic domain of TolA also interacts with the N-terminal domain of TolB. The Tol-PAL system is required for bacterial outer membrane integrity. Escherichia coli TolB is involved in the tonB-independent uptake of group A colicins (colicins A, E1, E2, E3 and K), and is necessary for the colicins to reach their respective targets after initial binding to the bacteria. It is also involved in uptake of filamentous DNA. Study of its structure suggests that the TolB protein might be involved in the recycling of peptidoglycan or in its covalent linking with lipoproteins. The Tol-Pal system is also implicated in pathogenesis of E. coli, Haemophilus ducreyi, Salmonella enterica and Vibrio cholerae, but the mechanism(s) is unclear..
Probab=100.00  E-value=0  Score=899.69  Aligned_cols=412  Identities=32%  Similarity=0.593  Sum_probs=385.7

Q ss_pred             HHCCCCCEEEEEEECCCCCCCEEEEECCCCCCC--C------HHHHHHHHHHHHHHCCCCEEECCHHHCCCCCCCCCCCC
Q ss_conf             720213316999971586642004630567753--0------35789999998620175145508655034667611145
Q gi|254780548|r   27 FFPTSIHAFVKVATNSANYSPVSIAFTKFVSID--E------LGGKVSEVVSKDLQRSDVFNLISQDSFKQKITNPDSIP   98 (447)
Q Consensus        27 ~~~~~a~A~~~i~It~~~~~pi~IAv~~f~~~~--~------~~~~i~~ii~~DL~~SG~F~~i~~~~~~~~~~~~~~~~   98 (447)
T Consensus         2 ~~~~~~~a~l~i~I~~g~~~~~PIAv~~F~~~~g~~~~~~~~~~~~~~~vi~~DL~~SG~F~~~~~~~~~~~~~~~~~~-   80 (439)
T TIGR02800         2 AVSTPAAAALTIEITGGGASALPIAVVPFGNEGGAAGSPPANLAEDIAEVIAADLRRSGLFSPVDKAGLPSPPISPSQV-   80 (439)
T ss_pred             CCCCCCCCCCEEEEECCCCCCCCEEECCCCCCCCCCCCCCHHHHHHHHHHHHHHHCCCCCCCCCCHHCCCCCCCCCCCC-
T ss_conf             3224104100899914676465466858888887666662246777889999743028743203410266776654201-


Q ss_pred             CHHH--HHHCCCCEEEEEEEEECCCCEEEEEEEEECCC-----CCC---EECCCCCCCCHHHHHHHHHHHHHHHHHHHCC
Q ss_conf             7788--74156218999997404662257899984155-----542---0000232337778899999998999997504
Q gi|254780548|r   99 RFQD--WNSLGAQVLVTGRVIKEGKDRLRVEFRLWDVK-----DRK---QIIGKKFFSSPASWRKIAHTISDDIYQSITG  168 (447)
Q Consensus        99 ~f~~--W~~~gad~lv~G~i~~~~~~~~~v~~~L~dv~-----~~~---~i~~~~~~~~~~~~R~~ah~~ad~i~~~ltG  168 (447)
T Consensus        81 ~~~~~~W~~~Ga~~lV~G~v~~~~~G~~~v~~~L~D~~~g~~~~g~~~~~l~~~~~~~~~~~~R~~AH~iaD~iye~LTG  160 (439)
T TIGR02800        81 QPAASDWQALGADALVVGSVTPNGDGRYEVRFRLYDVVSGQNTKGTPGLQLLGKQYTVTASQLRRVAHRIADAIYEKLTG  160 (439)
T ss_pred             CCCHHHHHHCCCCEEEEEEEEEECCCCEEEEEEEEEEEECCCCCCCCCEEEEEEEEEECHHHHHHHHHHHHHHHHHHHCC
T ss_conf             20048898579659999799970799269999999834144667787625542256534789887855888989998568


Q ss_pred             CCCCCCCCEEEEEECCCCCCCCEEEEEECCCCCEEEEEEE-CCCCCEEEEEECCCCCEEEEEEECCCCCCCCCEEEECCC
Q ss_conf             4555544178875136764421001231145540268862-176402345576899848998503467644303771179
Q gi|254780548|r  169 EKGDFNSRILFVSESVVSGIIKNSLCVMDRDGANIRYLTP-SRDQILFEPRFSPNQQKVAYATYDDEDILRVYLMDTRID  247 (447)
Q Consensus       169 ~~G~f~triafv~~~~~~~~~~~~l~i~d~DG~n~~~l~~-~~~~~~~sP~wSpDG~~Iay~s~~~~~~~~i~~~~~~~g  247 (447)
T Consensus       161 ~~G~F~tRIayV~~~~~~~~~~y~L~~aD~DG~N~~~~~~Gs~~p-~lsP~WSPDG~~lAYvsFe~~~-p~iyv~~L~TG  238 (439)
T TIGR02800       161 ERGAFSTRIAYVSKSGPKGGRRYELQVADYDGANPQTLLRGSREP-ILSPAWSPDGQKLAYVSFESKK-PEIYVQDLATG  238 (439)
T ss_pred             CCCCCCCCEEEEEEECCCCCCCEEEEEECCCCCCCEEEEECCCCC-CCCCCCCCCCCEEEEEEEECCC-CEEEEEECCCC
T ss_conf             998565647999975689987428999646888614878147862-0134367899789999993896-57999921107


Q ss_pred             CCEEEEECCCCCEEEEEECCCCCEEEEEECCCCCEEEEEEECCCCCCCCCCCCCCCCCCEEEECCCCEEEEEECCCCCCC
Q ss_conf             71799743798524445515895567741378730389984047741100257764320255216747899723776533
Q gi|254780548|r  248 RAPKRIGNFRSMILAPRFSSNGKRALISVQKDEAMDIYSVDLQSNATERLTNTLFINISASYSPDSSQIVFESDREGKEQ  327 (447)
Q Consensus       248 ~~~~~~~~~~~~~~~p~wSPDG~~la~~~s~~g~~~I~~~d~~~~~~~~lT~~~~~d~~p~~spDG~~I~f~Sdr~G~~q  327 (447)
T Consensus       239 ~r-~~v~sf~G~n~AP~fSPDG~~LA~~lS~~Gn~~IY~~dl~~~~~~rlT~~~gIDTeP~wsPDG~~i~FtSDRgG~PQ  317 (439)
T TIGR02800       239 QR-EKVASFPGINGAPAFSPDGSKLAVSLSKDGNPDIYVMDLDGGQLTRLTNGPGIDTEPSWSPDGKSIAFTSDRGGSPQ  317 (439)
T ss_pred             CE-EEEECCCCCEECCCCCCCCCEEEEEEECCCCCCEEEEECCCCEEEEEECCCCCCCCCCCCCCCCEEEEEECCCCCCC
T ss_conf             48-89871898177421769997999998068996469995889802466227988636418779988999987899812


Q ss_pred             EEEEE---ECCCCCCEEEEECCCCEEEEEECCCCCEEEEEECCCC--CEEEEEEECCCCCEEEEECCCCCCCCEECCCCC
Q ss_conf             15764---0256741112203530000468776888999971499--157999988999679966278755437887899
Q gi|254780548|r  328 LYVMQ---SNGSDQKRISQDKEASYFDPVWSPQGDLIAFTKFSGE--KFAIGVMKKDGSQERLLVEDSNLQAPTWSPSGR  402 (447)
Q Consensus       328 iy~~~---~~g~~~~rlT~~~~~~~~~p~wSPdG~~Iaf~~~~~~--~~~i~~~~~~g~~~~~lt~~~~~e~P~wSPDG~  402 (447)
T Consensus       318 IY~~~l~g~~gg~~~Rlt~~G~yN~-~p~~SPdG~~ia~~~~~~G~~~F~Ia~~~~~~~~~~~LT~~~~DEsPSfaPNG~  396 (439)
T TIGR02800       318 IYRMNLNGADGGEARRLTFEGNYNA-SPSWSPDGKLIAFVHREGGGGVFNIAVMDLDGGDVQVLTDTGLDESPSFAPNGR  396 (439)
T ss_pred             EEEECCCCCCCCCEEEEEECCCEEE-CCEECCCCCEEEEEEECCCCCEEEEEEEECCCCEEEEEECCCCCCCCEECCCCC
T ss_conf             7996157756785699984385565-257753777999997079986158999805888189835686689886853886


Q ss_pred             EEEEEEEECCCC-CEEEEEEECCCCCEEECC-CCCCCCCCCCC
Q ss_conf             899999508987-337999988997147336-78873675316
Q gi|254780548|r  403 SLIFSRKKDGDT-GSKLYSIDLNGRNETLIN-TPAYASDPQWV  443 (447)
Q Consensus       403 ~i~f~~~~~g~~-~~~l~~~~~~G~~~~~~~-~~g~~~~P~Ws  443 (447)
T Consensus       397 mi~y~~~~~g~~~~~~L~~vs~dG~~~~~l~~~~G~~~~PaWS  439 (439)
T TIGR02800       397 MILYATTRGGRGGTGVLALVSTDGRFRARLPSQQGEVREPAWS  439 (439)
T ss_pred             EEEEEEEECCCCCCEEEEEEEECCEEEEECCCCCCCEECCCCC
T ss_conf             8999987089877618999911884743303678616246679