bcy:Bcer98_1302 K03816 xanthine phosphoribosyltransferase [EC:2.4.2.22] | (GenBank) xanthine phosphoribosyltransferase bcy:Bcer98_1303 K16169 xanthine permease | (GenBank) uracil-xanthine permease bcy:Bcer98_2827 K00930 acetylglutamate kinase [EC:2.7.2.8] | (GenBank) acetylglutamate kinase