>sp|Q6GBB8|QUEC_STAAS 7-cyano-7-deazaguanine synthase OS=Staphylococcus aureus GN=queC MESVLNNEKAIVVFSGGQDSTTCLFYAKKHFKEVELVTFNYGQRHDTEIEVAKQIAQDQG MKHHVLDMSLLSQLTPNALTQHDMEITNNEDGIPNTFVPARNLLFLSFAGALAYQIGAKH IITGVCETDFSGYPDCRDSFIKSMNVTLSLAMDKDFVIHTPLMWLNKAETWKLSDELEVL DYIRTKTLTCYNGIIGDGCGECPACHLRQRGLNQYLESKGAL