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3.A.7.2.1
Trw conjugation system of E. coli plasmid IncP. The hexameric form of TrwK is a catalytically active ATPase, much like the structurally related protein TrwB, the conjugative coupling protein (Arechaga et al, 2008), which is a structure-specific DNA-binding protein (Matilla et al., 2010)

Accession Number:O50330
Protein Name:TrwK
Length:823
Molecular Weight:93660.00
Species:Escherichia coli [562]
Location1 / Topology2 / Orientation3: Host membrane1 / Multi-pass membrane protein2
Substrate protein polypeptide chain

Cross database links:

Pfam: PF03135   

Gene Ontology

GO:0005524 F:ATP binding

References (1)

[1] “Genetic organization of the region involved in conjugative pilus synthesis, export and assembly of the incW plasmid R388.”  Bolland S.et.al.   9325277

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MGAIESRKLL ASETPVGQFI PYSHHVTDTI ISTKNAEYLS VWKIDGRSHQ SASEADVFQW 
61:	IRELNNTLRG ISSANLSLWT HIVRRRVYEY PDAEFDNVFC RQLDEKYRES FTGYNLMVND 
121:	LYLTVVYRPV SDKVLSFFAK RERETPDQKK HRQESCIKAL EDINRTLGQS FKRYGAELLS 
181:	VYEKGGHAFS APLEFLARLV NGEHIPMPIC RDRFSDYMAV NRPMFSKWGE VGELRSLTGL 
241:	RRFGMLEIRE YDDATEPGQL NVLLESDYEF VLTHSFSVLS RPAAKEYLQR HQKNLIDARD 
301:	VATDQIEEID EALNQLISGH FVMGEHHCTL TVYGETVQQV RDNLAHASAA MLDVAVLPKP 
361:	VDLALEAGYW AQLPANWQWR PRPAPITSLN FLSFSPFHNF MSGKPTGNPW GPAVTILKTV 
421:	SGTPLYFNFH ASKEEEDATD KRLLGNTMLI GQSSSGKTVL LGFLLAQAQK FKPTIVAFDK 
481:	DRGMEISIRA MGGRYLPLKT GEPSGFNPFQ LPPTHANLIF LKQFVKKLAA AGGEVTHRDE 
541:	EEIDQAITAM MSDSIDKSLR RLSLLLQFLP NPRSDDMDAR PTVHARLVKW CEGGDYGWLF 
601:	DNPTDALDLS THQIYGFDIT EFLDNPEART PVMMYLLYRT ESMIDGRRFM YVFDEFWKPL 
661:	QDEYFEDLAK NKQKTIRKQN GIFVFATQEP SDALESNIAK TLIQQCATYI FLANPKADYE 
721:	DYTQGFKLTD SEFELVRGLG EFSRRFLIKQ GDQSALAEMN LGKFRTIVDG ETVERDFDDE 
781:	LLVLSGTPDN AEIAESIIAE VGDDPAVWLP IFLDRVKAER SDV