>tr|I6D638|I6D638_SHIFL 7-cyano-7-deazaguanine synthase OS=Shigella flexneri K-315 GN=queC
MKRAVVVFSGGQDSTTCLVQALQQYDEVHCVTFDYGQRHRAEIDVARELALKLGARAHKV
LDVTLLNELAVSSLTRDSIPVPDYEPEADGIPNTFVPGRNILFLTLAAIYAYQVKAEAVI
TGVCETDFSGYPDCRDEFVKALNHAVSLGMAKDIRFETPLMWIDKAETWALADYYGKLDL
VRNETLTCYNGIKGDGCGHCAACNLRANGLNHYLADKPTVMAAMKQKTGLR