STRINGSTRING
A single protein has been identified that matches your query.
This protein belongs to one or more protein families (see below).
Please review the list, and click 'Continue' to see interacting partners.
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Identified Protein:
xapB (Escherichia coli K12):   Xanthosine transporter; Uptake of xanthosine. Driven by a proton motive force. Can also transport other nucleosides such as inosine, adenosine, cytidine, uridine and thymidine.
Protein Families (COGs):
STRING is a Core Data Resource as designated by Global Biodata Coalition and ELIXIR.