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3.A.1.2.23
ABC sugar transporter, FruEFGK, important for the probiotic effect of Bifidobacterium longum and involved in producing acetate (Fukuda et al. 2012).  The system is specific for fructose (highest affinity) ribose and xylose.  All three sugars induce the system (Wei et al. 2012). 

Accession Number:Q8G848
Protein Name:Probable solute binding protein of ABC transporter system possibly for sugars
Length:327
Molecular Weight:34690.00
Species:Bifidobacterium longum (strain NCC 2705) [206672]
Number of TMSs:1
Substrate aldehydo-D-xylose, D-ribose, D-fructose

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MKNWKKAIAL VASAAALVSV AACGSSNAGG SSDSGKKTVG FVAVGPEGGF RTANEKDIQK 
61:	AFEDAGFDLT YSPTQNNDQQ KQIQAFNKFV NDEVDAIILS STEDSGWDDS LKKAAEAEIP 
121:	VFTVDRNVDV KDAEAKKAIV AHIGPSNVWC GEQAAEFVNK NFPDGANGFI LEGPAGLSVV 
181:	KDRGTGWGNK VASNVKVLES QSANWSTDEA KTVTAGLLDK YKSDNPQFIF AQNDEMGLGA 
241:	AQAVDAAGLK GKVKIITIDG TKNALQALVD GDLSYVIEYN PIFGKETAQA VKDYLDGKTV 
301:	EKDIEIESKT FDAASAKEAL DNNTRAY