>sp|Q9HHN8|QUEC_HALSA 7-cyano-7-deazaguanine synthase OS=Halobacterium salinarum GN=queC MSAKRAVVLASGGMDSATAAAVAHNAGYEVYMLHTSYGQQTEHKEHECATAQAAALGAAD FLHLTTDHLSKIGASSLTDDEMAVADADMESDEIPTSYVPFRNANLLAMATSYAEANDCE AVFIGAHSEDFSGYPDCQPAFFEAFQQTVAAGTKPDTEISINAPFVDWSKTDIAERGLEL GVPYEHTWSCYRAEAPACGTCDACAFRLQAFQNLGERDPIEYAERPSYT