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2.A.56.1.9
The possible disulfide 3,3'-dithiodipropionic acid (DTDP) tripartite transporter, DctMPQ (Wübbeler et al. 2014).  More probably takes up an array of oxidized sugar onic acids, D-gluconate, D-galactonate, L-arabonate, D-fuconate and D-xylonate. The sugars are oxidized by a broad-range, membrane bound sogar oxidase.  The acids that have been studied kineticall have Kms between 8 and 15 μM (Meinert et al. 2017; ).

Accession Number:R4JTF7
Protein Name:Putative TRAP transporter solute receptor DctP
Length:339
Molecular Weight:36969.00
Species:Advenella mimigardefordensis DPN7 [1247726]
Number of TMSs:3
Substrate D-fuconate, D-xylonic acid, D-galactonate, D-gluconate

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FASTA formatted sequence
1:	MKRLKKTVAS LTAVALLGMG SAAVWAKDIK PRIIRFGYGL ADDSPTGKAS AHFAEVVSKL 
61:	SDGKMKVKTF GNGALGPDEQ LINSLISGSG EITFVSTAPI ASLIPEFGVF DLPFLFDNEK 
121:	VADTVLDGPE GKKLLDKLPA KGLIGLNYWE NGFRNITNSR HEISKLDDIG GIKLRVMQNQ 
181:	VALSVFKGLG ANAIPMPFTE LFTALETKTV DGQENPLSTI QTSKFYEVQP YLTLSNHVYT 
241:	PFVFLASKKW FDQLSQDEKD VITQAAADSQ AFQRKASRQG NEDALKYLKE HNVKVAEFST 
301:	EEREKIREKV APIVESLKAK IGKETVEGVL DAAKKASGA