2.7.7.77 bis(guanylyl tungstenpterin) cofactor biosynthesis - - PWY-8168 2.7.7.77 Folate biosynthesis - 00790 - 2.7.7.77 guanylyl molybdenum cofactor biosynthesis - - PWY-5964 2.7.7.77 Metabolic pathways - 01100 - 2.7.7.77 molybdenum cofactor biosynthesis molybdenum cofactor biosynthesis - -