1U07


Conserved Protein Domain Family
TonB_C

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pfam03544: TonB_C 
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Gram-negative bacterial TonB protein C-terminal
The TonB_C domain is the well-characterized C-terminal region of the TonB receptor molecule. This protein is bound to an inner membrane-bound protein ExbB via a globular domain and has a flexible middle region that is likely to help in positioning the C-terminal domain into the iron-transporter barrel in the outer membrane. TonB_C interacts with the N-terminal TonB box of the outer membrane transporter that binds the Fe3+-siderophore complex. The barrel of the transporter, consisting of 22 beta-sheets and an inside plug, binds the iron complex in the barrel entrance.
Statistics
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PSSM-Id: 397556
Aligned: 63 rows
Threshold Bit Score: 56.9248
Threshold Setting Gi: 500090047
Created: 11-May-2020
Updated: 7-Aug-2020
Structure
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Program:
Drawing:
Aligned Rows:
PubMed ReferencesClick to see Conserved Features Help

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
1U07_B            10 NQPQYPARAQALRIEGQVKVKFDVTPDGRVDN-VQILSAKP-ANmFEREVKNAMRR--WRYEPGKPGsGI-------VVN 78  Escherichia...
Q729G1           222 PRPPYPREALHKGAEGVVMVRLLLDPSGRVVQ-SRIAGGDM-ADiFAETTLETVER--WRFKPCGRQ-GRnvs-cevEIP 295 Desulfovibr...
Q315Y9           142 PAPLYPMQEKRLGRECTVVVRILLAEDGTVKQaTPVYAEDD-TRtFHEAAVETVLR--WRFVPCRKD-GRavq-ciaEQP 216 Desulfovibr...
Q21PK2           119 YGPTLPKKAIELDLDGYVIVSYLVSSRGKVKK-VSVVEASD--EmFVKSSIKAAKK--FVYLPAVNN-GKavtsgplKNK 192 Saccharopha...
Q1IQS4            48 VVPTYPELARKINLVATVKVQIVIGPNGNVTE-AKAVGGHPl---LIGPSIDAAKQ--WRYEPA----GEstt---tiiE 114 Candidatus ...
Q30ZE3           139 VPLKYPLVAKRSNIEGYVIVNMLVTAEGNPEQ-LSIQAASP-AGiFEESALEAARQ--SRFTPGKLN-GQavd-twvQQP 212 Desulfovibr...
jgi:Caul_0269     49 PALYYPDRAQRMNVGGHVMLDCMADAQGVLSD-CALVNETPkDWdFGVAALKMARAgvIHKIPTTAGggr------vavP 121 Caulobacter...
mpitm:STAUR_3417 584 kELAYTREALEAKVQGVMLVKCTINRQGRVEN-CRVIKTLPh---MEAPVLEALKS--RVYKPILYQ-GQpva-vdyVFN 655 Stigmatella...
Q5FU97           164 PPPHYPEAADAAGIGGHITVLCQIDPMGAAHD-CTVSDGPPi---LQRASLAYFSL--ARYYPALKE-GQpva-aqyRGN 235 Gluconobact...
Q8RI06           156 rAPEFPQSARASGKHGKIKIKLKVDKAGNVLS-YVIVEGSG-VPeIDASVERVVGS--WRVKLLKK--GKpvn-gtfYLN 228 Fusobacteri...
1U07_B            79 ILFKI 83  Escherichia coli
Q729G1           296 VEFRI 300 Desulfovibrio vulgaris str. Hildenborough
Q315Y9           217 FTFSL 221 Desulfovibrio alaskensis G20
Q21PK2           193 FVFNL 197 Saccharophagus degradans 2-40
Q1IQS4           115 FHFGP 119 Candidatus Koribacter versatilis Ellin345
Q30ZE3           213 FEFKV 217 Desulfovibrio alaskensis G20
jgi:Caul_0269    122 VTFEP 126 Caulobacter sp. K31
mpitm:STAUR_3417 656 IRlal 660 Stigmatella aurantiaca DW4/3-1
Q5FU97           236 ITWDT 240 Gluconobacter oxydans
Q8RI06           229 YNFNf 233 Fusobacterium nucleatum subsp. nucleatum
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