9.B.22.1.2 Inner membrane autotransporter assembly factor TamB (YtfN). Part of the translocation and assembly
module (TAM) autotransporter assembly complex, which functions together with TamA and Omp85, both in the outer membrane (TC#1.B.33) to
translocate autotransporters across the outer membrane (Selkrig et al. 2012). TamB has a signal-anchor linkage to the inner membrane,
beta-helical structure, conserved domain architecture and a C-terminal
region that mimics outer membrane protein beta-strands (Heinz et al. 2015). It may function in folding of the passe3nger domain while BamA-TamAB catalyze membrane β-domain insertion (M. Babu et al., manuscript in preparation).
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Accession Number: | P39321 |
Protein Name: | Translocation and assembly module TamB |
Length: | 1259 |
Molecular Weight: | 136780.00 |
Species: | Escherichia coli (strain K12) [83333] |
Number of TMSs: | 1 |
Location1 / Topology2 / Orientation3: |
Cell inner membrane1 / Single-pass membrane protein2 |
Substrate |
proteins |
---|
1: MSLWKKISLG VVIVILLLLG SVAFLVGTTS GLHLVFKAAD RWVPGLDIGK VTGGWRDLTL
61: SDVRYEQPGV AVKAGNLHLA VGLECLWNSS VCINDLALKD IQVNIDSKKM PPSEQVEEEE
121: DSGPLDLSTP YPITLTRVAL DNVNIKIDDT TVSVMDFTSG LNWQEKTLTL KPTSLKGLLI
181: ALPKVAEVAQ EEVVEPKIEN PQPDEKPLGE TLKDLFSRPV LPEMTDVHLP LNLNIEEFKG
241: EQLRVTGDTD ITVSTMLLKV SSIDGNTKLD ALDIDSSQGI VNASGTAQLS DNWPVDITLN
301: STLNVEPLKG EKVKLKMGGA LREQLEIGVN LSGPVDMDLR AQTRLAEAGL PLNVEVNSKQ
361: LYWPFTGEKQ YQADDLKLKL TGKMTDYTLS MRTAVKGQEI PPATITLDAK GNEQQVNLDK
421: LTVAALEGKT ELKALLDWQQ AISWRGELTL NGINTAKEFP DWPSKLNGLI KTRGSLYGGT
481: WQMDVPELKL TGNVKQNKVN VDGTLKGNSY MQWMIPGLHL ELGPNSAEVK GELGVKDLNL
541: DATINAPGLD NALPGLGGTA KGLVKVRGTV EAPQLLADIT ARGLRWQELS VAQVRVEGDI
601: KSTDQIAGKL DVRVEQISQP DVNINLVTLN AKGSEKQHEL QLRIQGEPVS GQLNLAGSFD
661: RKEERWKGTL SNTRFQTPVG PWSLTRDIAL DYRNKEQKIS IGPHCWLNPN AELCVPQTID
721: AGAEGRAVVN LNRFDLAMLK PFMPETTQAS GIFTGKADVA WDTTKEGLPQ GSITLSGRNV
781: QVTQTVNDAA LPVAFQTLNL TAELRNNRAE LGWTIRLTNN GQFDGQVQVT DPQGRRNLGG
841: NVNIRNFNLA MINPIFTRGE KAAGMVSANL RLGGDVQSPQ LFGQLQVTGV DIDGNFMPFD
901: MQPSQLAVNF NGMRSTLAGT VRTQQGEIYL NGDADWSQIE NWRARVTAKG SKVRITVPPM
961: VRMDVSPDVV FEATPNLFTL DGRVDVPWAR IVVHDLPESA VGVSSDVVML NDNLQPEEPK
1021: TASIPINSNL IVHVGNNVRI DAFGLKARLT GDLNVVQDKQ GLGLNGQINI PEGRFHAYGQ
1081: DLIVRKGELL FSGPPDQPYL NIEAIRNPDA TEDDVIAGVR VTGLADEPKA EIFSDPAMSQ
1141: QAALSYLLRG QGLESDQSDS AAMTSMLIGL GVAQSGQIVG KIGETFGVSN LALDTQGVGD
1201: SSQVVVSGYV LPGLQVKYGV GIFDSIATLT LRYRLMPKLY LEAVSGVDQA LDLLYQFEF