myo-inositol hexakisphosphate biosynthetic process MetaCyc:PWY-6372 phytate biosynthetic process myo-inositol hexakisphosphate biosynthesis phytate biosynthesis myo-inositol hexakisphosphate formation GO:0010264 MetaCyc:PWY-6554 myo-inositol hexakisphosphate synthesis biological_process The chemical reactions and pathways resulting in the formation of phytic acid, myo-inositol hexakisphosphate, a regulator of intracellular signaling, a highly abundant animal anti-nutrient and a phosphate and mineral storage compound in plant seeds. MetaCyc:PWY-4661 MetaCyc:PWY-6555 MetaCyc:PWY-6362 myo-inositol hexakisphosphate anabolism inositol phosphate biosynthetic process