label: 1,2-dihexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol-5-phosphate) + GTP => 1,2-dihexadecanoyl-sn-glycero-3-phospho-(1D-myo-inositol-4,5-bisphosphate) + GDP + H(+)
label_lc: 1,2-dihexadecanoyl-sn-glycero-3-phospho-(1d-myo-inositol-5-phosphate) + gtp => 1,2-dihexadecanoyl-sn-glycero-3-phospho-(1d-myo-inositol-4,5-bisphosphate) + gdp + h(+)