[ ] I don't think xylulose biosynthetic process is the correct BP for the mapping. According to Chebi, xylulose is a functional parent of X6P, not a subclass. A better BP would be xylulose 5-phosphate biosynthetic process (GO:1901159).
[ ] This one is interesting because from the pathway itself, there is no way to link it to insulin effect. We should have a look together.