>sp|Q728E5|QUEE_DESVH 7-carboxy-7-deazaguanine synthase OS=Desulfovibrio vulgaris GN=queE MTYRVKEIFHTLQGEGMRAGRAAVFCRFSGCNLWTGWAQDRPAAVCPFCDTDFVGTDGPG GGVFEDAATLAAAILAAFPYKTGEGYRPYVVFTGGEPALQLDRPLIDILHAHGCEVAIET NGTVRLPEGIDWVTVSPKAGTRLAVTSGDELKLVWPQQGICPESYESLAFTYLLMQPRDG LGDAGRGDAESEAVRWCLAHPRWRLCLQTHKYLGIP