>sp|Q03L16|QUEC_STRTD 7-cyano-7-deazaguanine synthase OS=Streptococcus thermophilus GN=queC MKRQSALIVFSGGQDSTTCLFWALKHYEIVELVTFAYGQRHSLEIEVAKEIAQEQGLKHH VLDMSLLGQITENALTSDIDIEAEEGEVPNTFVDGRNHLFLSFAAVLAKQRGIIDIVTGV CETDFSGYPDCRDVFVKSLNVTLNLAMAYDFVIQTPLMWLDKAETWALADQLGAFDYVRE KTLTCYNGIIGTGCGDCPACHLRQKGLEKYLAEKGDA