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3qe7 is a 1 chain structure with sequence from Escherichia coli K-12. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
↑ Andersen PS, Frees D, Fast R, Mygind B. Uracil uptake in Escherichia coli K-12: isolation of uraA mutants and cloning of the gene. J Bacteriol. 1995 Apr;177(8):2008-13. PMID:7721693
↑ Lu F, Li S, Jiang Y, Jiang J, Fan H, Lu G, Deng D, Dang S, Zhang X, Wang J, Yan N. Structure and mechanism of the uracil transporter UraA. Nature. 2011 Apr 14;472(7342):243-6. Epub 2011 Mar 20. PMID:21423164 doi:10.1038/nature09885