Protein
Queuosine precursor transporter
Organism
Escherichia coli (strain K12)
Function
Involved in the import of queuosine (Q) precursors, required for Q precursor salvage. Transports 7-cyano-7-deazaguanine (preQ(0)) and 7-aminomethyl-7-deazaguanine (preQ(1)), with a preference for preQ(0).
Similarity
Belongs to the vitamin uptake transporter (VUT/ECF) (TC 2.A.88) family. Q precursor transporter subfamily.
Sequence
MNVFSQTQRYKALFWLSLFHLLVITSSNYLVQLPVSILGFHTTWGAFSFPFIFLATDLTVRIFGAPLARRIIFAVMIPALLISYVISSLFYMGSWQGFGALAHFNLFVARIATASFMAYALGQILDVHVFNRLRQSRRWWLAPTASTLFGNVSDTLAFFFIAFWRSPDAFMAEHWMEIALVDYCFKVLISIVFFLPMYGVLLNMLLKRLADKSEINALQAS