label: 1-octadecanoyl-2-(9Z)-octadecenoyl-sn-glycero-3-phospho-1D-myo-inositol 4-phosphate + ATP = 1-octadecanoyl-2-(9Z)-octadecenoyl-sn-glycero-3-phospho-1D-myo-inositol 4,5-bisphosphate + ADP + H(+)
label_lc: 1-octadecanoyl-2-(9z)-octadecenoyl-sn-glycero-3-phospho-1d-myo-inositol 4-phosphate + atp = 1-octadecanoyl-2-(9z)-octadecenoyl-sn-glycero-3-phospho-1d-myo-inositol 4,5-bisphosphate + adp + h(+)