>sp|O31676|QUED_BACSU 6-carboxy-5,6,7,8-tetrahydropterin synthase OS=Bacillus subtilis GN=queD MLSQIYPQAQHPYSFELNKDMHISAAHFIPRESAGACSRVHGHTYTVNITVAGDELDDSG FLVNFSVLKKLVHGNYDHTLLNDHEDFSQDDRYSLPTTEVVAKTIYDNVQAYLDTLENKP TCVQVFVRETPTSYCVYRPKKGGLNG