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3.A.1.1.3
Glycerol-phosphate porter. Transports both glycerol-3-P and glycerol-3-P diesters including glycerophosphocholine but not glycerol-2-P (Yang et al. 2009; Wuttge et al. 2012).  UgpB (the receptor) binds glycerol 3-P with high affinity, but not glycerol 2-P (Wuttge et al. 2012).  UgpB (the receptor) binds glycerol 3-P with high affinity, but not glycerol 2-P (Wuttge et al. 2012).

Accession Number:P10906
Protein Name:UgpE aka B3451
Length:281
Molecular Weight:31500.00
Species:Escherichia coli [83333]
Number of TMSs:7
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Multi-pass membrane protein2
Substrate glycerol 1-phosphate

Cross database links:

RefSeq: AP_004341.1    NP_417908.1   
Entrez Gene ID: 947959   
Pfam: PF00528   
BioCyc: EcoCyc:UGPE-MONOMER    ECOL168927:B3451-MONOMER   
KEGG: ecj:JW3416    eco:b3451   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0005215 F:transporter activity
GO:0070811 P:glycerol-2-phosphate transport
GO:0015794 P:glycerol-3-phosphate transport

References (5)

[1] “Nucleotide sequence of the ugp genes of Escherichia coli K-12: homology to the maltose system.”  Overduin P.et.al.   3062310
[2] “Analysis of the Escherichia coli genome. V. DNA sequence of the region from 76.0 to 81.5 minutes.”  Sofia H.J.et.al.   8041620
[3] “The complete genome sequence of Escherichia coli K-12.”  Blattner F.R.et.al.   9278503
[4] “Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110.”  Hayashi K.et.al.   16738553
[5] “Global topology analysis of the Escherichia coli inner membrane proteome.”  Daley D.O.et.al.   15919996

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MIENRPWLTI FSHTMLILGI AVILFPLYVA FVAATLDKQA VYAAPMTLIP GTHLLENIHN 
61:	IWVNGVGTNS APFWRMLLNS FVMAFSITLG KITVSMLSAF AIVWFRFPLR NLFFWMIFIT 
121:	LMLPVEVRIF PTVEVIANLQ MLDSYAGLTL PLMASATATF LFRQFFMTLP DELVEAARID 
181:	GASPMRFFCD IVFPLSKTNL AALFVITFIY GWNQYLWPLL IITDVDLGTT VAGIKGMIAT 
241:	GEGTTEWNSV MVAMLLTLIP PVVIVLVMQR AFVRGLVDSE K