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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:Q00749
Protein Name:MsmE aka SMU.878
Length:420
Molecular Weight:47087.00
Species:Streptococcus mutans [1309]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Cell membrane1 / Lipid-anchor2
Substrate Raffinose, Stachyose

Cross database links:

RefSeq: NP_721287.1   
Entrez Gene ID: 1028240   
Pfam: PF01547   
BioCyc: SMUT210007:SMU_878-MONOMER   
KEGG: smu:SMU.878   

Gene Ontology

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:	MKWYKKIGLL GIVGLTSVLL AACNKSKASQ SKEDKVTIEY FNQKKEMDAT LKKIIKDFER 
61:	ENPKIHVKMT SVPDAGTVLK TRVLSGDVPD VINIYPQNMD FQEWSKAGYF YNMTGKAYLN 
121:	HLKNHYANEY KVNQKVYSVP LTANVSGIYY NKTKFKELGL KVPETWDEFV KLVEEIKAKK 
181:	ETPFALAGTE GWTLNGYHQL SLISVTGSAN AANKYLRFSQ PNSIKTSDKI LKEDMVRLNL 
241:	LADDGNQQKN WKGASYNDAL VAFANEKALM TPNGSWALPA IKQQDPKFEI GTFAFPGKKT 
301:	GNGITVGAGD LALSISAKTK HLKEAEKFVK YMTTARAMQK YYDVDGSPVA VKGVREDKNS 
361:	PLQPLTKLAF TDKHYVWLGQ HWNSEDDFFT ATTNYLMTKN AKGLADGLNA FFNPMKADVD