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3.A.1.1.28
The raffinose/stachyose transporter, MsmEFGK (MalK (3.A.1.1.27) can probably substitute for MsmK; Webb et al., 2008). This system may also transport melibiose, isomaltotriose and sucrose as well as isomaltosaccharides (Russell et al. 1992).

Accession Number:Q00751
Protein Name:MsmG aka SMU.880
Length:277
Molecular Weight:31654.00
Species:Streptococcus mutans [1309]
Number of TMSs:6
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate Raffinose, Stachyose

Cross database links:

RefSeq: NP_721289.1   
Entrez Gene ID: 1028246   
Pfam: PF00528   
BioCyc: SMUT210007:SMU_880-MONOMER   
KEGG: smu:SMU.880   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0005215 F:transporter activity
GO:0008643 P:carbohydrate transport

References (2)

[1] “A binding protein-dependent transport system in Streptococcus mutans responsible for multiple sugar metabolism.”  Russell R.R.B.et.al.   1537846
[2] “Genome sequence of Streptococcus mutans UA159, a cariogenic dental pathogen.”  Ajdic D.J.et.al.   12397186

External Searches:

Analyze:

Predict TMSs (Predict number of transmembrane segments)
Window Size: Angle:  
FASTA formatted sequence
1:	MKKEEKINYF WKYVLLTVGG ILILIPLMVT VFSSFKKTKD IMNHFFAFPN PITLDNYKRL 
61:	LADGVGGYFW NSTVITVLSV LVVMLFIPAA AYSIARNMSR RKAFNIMYSL LILGIFVPFQ 
121:	VIMIPITVMM SKLGLANMWG LIILYLTYAI PQTLFLYVGY IKLSVPDSLD EAAEIDGADK 
181:	LTTYRKIIFP MLKPMHATTL IINALWFWND FMLPLLILNK DSSMWTLPLF QYNYSGQYFN 
241:	DYGPSFASYI VGIITITIVY LIFQKHIIAG MSNGAVK