>tr|A0A510NB29|A0A510NB29_HALSA 7-cyano-7-deazaguanine synthase OS=Halobacterium salinarum GN=queC MSAKRAVVLASGGMDSATAAAVAHNAGYEVYMLHTSYGQQTEHKEHECATAQAAALGAAD FLHLTTDHLSKIGASSLTDDEMAVADADMESDEIPTSYVPFRNANLLAMATSYAEANDCE AVFIGAHSEDFSGYPDCQPAFFEAFQQTVAAGTKPDTEISINAPFVDWSKTDIAERGLEL GVPYEHTWSCYRAEAPACGTCDACAFRLQAFQNLGERDPIEYAERPSYT