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2.A.7.22.2
The undecaprenyl phosphate-α-aminoarabinose flippase ArnE/ArnF heterodimer from the cytoplasm to the periplasm (Yan et al., 2007).

Accession Number:Q8Z537
Protein Name:Probable 4-amino-4-deoxy-L-arabinose-phosphoundecaprenol flippase subunit ArnF
Length:125
Molecular Weight:13151.00
Species:Salmonella typhi [90370]
Number of TMSs:4
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Multi-pass membrane protein2
Substrate Undecaprenyl phosphate-alpha-aminoarabinose

Cross database links:

Entrez Gene ID: 1069567    1248859   
KEGG: stt:t0560    sty:STY2533   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0009245 P:lipid A biosynthetic process
GO:0006810 P:transport

References (3)

[1] “Complete genome sequence of a multiple drug resistant Salmonella enterica serovar Typhi CT18.”  Parkhill J.et.al.   11677608
[2] “Comparative genomics of Salmonella enterica serovar Typhi strains Ty2 and CT18.”  Deng W.et.al.   12644504
[3] “The Salmonella typhi melittin resistance gene pqaB affects intracellular growth in PMA-differentiated U937 cells, polymyxin B resistance and lipopolysaccharide.”  Baker S.J.et.al.   10075419

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MGVMWGLISV AIASLAQLSL GFAMMRLPSI AHPLAFISGL GAFNAATLAL FAGLAGYLVS 
61:	VFCWQKTLHM LALSKAYALL SLSYVLVWVA SMLLPGLQGA FSLKAMLGVL CIMAGVMLIF 
121:	LPARS