>sp|Q9ZDY5|QUED_RICPR 6-carboxy-5,6,7,8-tetrahydropterin synthase OS=Rickettsia prowazekii GN=queD MIKCTRRINFDAGHRIIGHKNKCQFLHGHHYVLEITIAANKTDTLGMVIDFGLIKNLAKK WIDANFDHNLILHQDDKEMGQQIENYTRQKIYYMRNNPTAENIATHLKNEIFPKLFVSQN FFVTSLKLYETQNCFVEV