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2.A.1.5.2
Raffinose:H+ symporter, RafB, can be mutated to transport maltose (Van Camp et al., 2007).

Accession Number:P16552
Protein Name:RafB
Length:425
Molecular Weight:46693.00
Species:Escherichia coli [562]
Number of TMSs:12
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Multi-pass membrane protein2
Substrate Raffinose, H+

Cross database links:

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0015293 F:symporter activity
GO:0008643 P:carbohydrate transport

References (1)

[1] “Nucleotide sequences and operon structure of plasmid-borne genes mediating uptake and utilization of raffinose in Escherichia coli.”  Aslanidis C.et.al.   2556373

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MNSASTHKNT DFWIFGLFFF LYFFIMATCF PFLPVWLSDV VGLSKTDTGI VFSCLSLFAI 
61:	SFQPLLGVIS DRLGLKKNLI WSISLLLVFF APFFLYVFAP LLHLNIWAGA LTGGVFIGFV 
121:	FSAGAGAIEA YIERVSRSSG FEYGKARMFG CLGWALCATM AGILFNVDPS LVFWMGSGGA 
181:	LLLLLLLYLA RPSTSQTAMV MNALGANSSL ISTRMVFSLF RMRQMWMFVL YTIGVACVYD 
241:	VFDQQFAIFF RSFFDTPQAG IKAFGFATTA GEICNAIIMF CTPWIINRIG AKNTLLVAGG 
301:	IMTIRITGSA FATTMTEVVI LKMLHALEVP FLLVGAFKYI TGVFDTRLSA TVYLIGFQFS 
361:	KQLAAILLST FAGHLYDRMG FQNTYFVLGM IVLTVTVISA FTLSSSPGIV HPSVEKAPVA 
421:	HSEIN