>sp|Q2FS67|QUEE_METHJ 7-carboxy-7-deazaguanine synthase OS=Methanospirillum hungatei JF-1 GN=queE MPLNCDTKTAGEISSSIPSGSGSHQPAAQSSGMKIAEIFTSLQGEGLTSGYPTIFIRLAG CNLSCSYCDTPASRQGGMDMNVSEVVAGALLQKPHYVCITGGEPLLQKDEVAELARQLIK AGKMVSIETNGTVPFDDLPSDISICMDVKCPSSGEFSNINLLSDLKSTDSVKFVVGTDDD LQYAEKVIMSHPTKAEIFISPIYGTDYQRIASYILSRNLPARMQLQLHKFIGLP