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3.A.1.11.9
Putative polyamine (spermidine/putrescine) uptake porter, YdcSTUV (Moussatova et al. 2008). May also be involved in the uptake of double stranded DNA (Sun 2018).

Accession Number:P76108
Protein Name:Putative ABC transporter periplasmic-binding protein YdcS
Length:381
Molecular Weight:42295.00
Species:Escherichia coli (strain K12) [83333]
Location1 / Topology2 / Orientation3: Periplasm1
Substrate spermidine, putrescine, double-stranded DNA

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MSKTFARSSL CALSMTIMTA HAAEPPTNLD KPEGRLDIIA WPGYIERGQT DKQYDWVTQF 
61:	EKETGCAVNV KTAATSDEMV SLMTKGGYDL VTASGDASLR LIMGKRVQPI NTALIPNWKT 
121:	LDPRVVKGDW FNVGGKVYGT PYQWGPNLLM YNTKTFPTPP DSWQVVFVEQ NLPDGKSNKG 
181:	RVQAYDGPIY IADAALFVKA TQPQLGISDP YQLTEEQYQA VLKVLRAQHS LIHRYWHDTT 
241:	VQMSDFKNEG VVASSAWPYQ ANALKAEGQP VATVFPKEGV TGWADTTMLH SEAKHPVCAY 
301:	KWMNWSLTPK VQGDVAAWFG SLPVVPEGCK ASPLLGEKGC ETNGFNYFDK IAFWKTPIAE 
361:	GGKFVPYSRW TQDYIAIMGG R