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