3.1.3.57 | 1D-myo-inositol 1,4-bisphosphate + H2O = 1D-myo-inositol 4-phosphate + phosphate |
the enzyme acts on inositol 1,4-bisphosphate and inositol 1,3,4-trisphosphate, with similar vmax values for both substrates, but with a five-times higher affinity for the bisphosphate, does not act on inositol 1-phosphate, inositol 1,4,5-trisphosphate or inositol 1,3,4,5-tetrakisphosphate |
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