2.7.1.127	inositol-trisphosphate 3-kinase	D-myo-inositol (1,3,4)-trisphosphate biosynthesis	
3.1.3.56	inositol-polyphosphate 5-phosphatase	D-myo-inositol (1,3,4)-trisphosphate biosynthesis	
3.1.3.62	multiple inositol-polyphosphate phosphatase	D-myo-inositol (1,3,4)-trisphosphate biosynthesis