>sp|Q3AIK3|APT_SYNSC Adenine phosphoribosyltransferase OS=Synechococcus sp. GN=apt MDLQSHIRSIPDFPKPGILFRDINPLLRSPEAMAEVISQFGRICDQVKPDLIVGIESRGF IFGAPLASDRRLGFVPVRKPGKLPGEVVGLDYALEYGTDRLEIQADALEHSPRVLVVDDL LATGGTAAATGQLVEQAGGCLVGFAFVIELEGFGGRRALPAGQPVEALLRYG