... enzyme in nature, which is widespread interrestrial and aquatic ecosystems [4,5]. Until now,AbbreviationsBPP, b-propeller phytase; HAP, histidine acid phosphatase; InsP6, myo-inositol hexakisphosphate; ... InsP6gradually into InsP5, InsP4,and the final product – Ins(2,4,6)P3and Ins(1,3,5)P3– via two alternative pathways [14].Bacterial BPPs containing two tandemly repeateddomains (dual...