>sp|Q6D820|QUEC_PECAS 7-cyano-7-deazaguanine synthase OS=Pectobacterium atrosepticum GN=queC MKRAVVVFSGGQDSTTCLIQALQDYDDVHCITFDYGQRHRAEIEVAQELSQKLGAAAHKV LDVGLLNELATSSLTRDSIPVPDYDANAQGIPNTFVPGRNILFLTLASIYAYQVGAEAVI TGVCETDFSGYPDCRDEFVKALNQAIVLGIARDIRFETPLMWLNKAETWALADYYQQLDT VRYHTLTCYNGIKGDGCGQCAACHLRANGLAQYQKDAATVMASLKQKVGLR