>sp|A2BZ78|QUEC_PROM5 7-cyano-7-deazaguanine synthase OS=Prochlorococcus marinus GN=queC MNLENKSAVILLSGGLDSSTVTGLAKASKAKIFGLSFDYGQRHKKELNSALTIAKHFAIE EFKIVKLDLSLWGGSSLTDTKKDLPIEGVQLNTIPNTYVPGRNTIFISVALSYAEAINAD LIGLGVNALDYSGYPDCRPDYIKKFQELAYLANKRGREDNPIKLWTPLIDLNKEDIIQLA FDHNVPLEKTWSCYSGNLKPCGKCDSCRIRQTAYKKWQIKQNEY