1D-myo-Inositol 1,3,4,5,6-pentakisphosphate
myo-Inositol 1,3,4,5,6-pentakisphosphate, also known as Ins(1,3,4,5,6)P5 or inositol pentaphosphate, is an inositol polyphosphate of emerging significance in cellular signalling. Both Ins(1,3,4,5,6)P5 and its C-2 epimer scyllo-inositol pentakisphosphate (scyllo-InsP(5)) were synthesized from the same myo-inositol-based precursor (PMID: 16755629). InsP6, Ins(1,3,4,5,6)P5, and their close metabolic relatives are amongst the more abundant intracellular inositol polyphosphates. They are involved in chromatin organization, DNA maintenance, gene transcription, nuclear mRNA transport, membrane trafficking, and control of cell proliferation (PMID: 14992690).
| ID | EC Number | Name |
|---|---|---|
| KEGG:R03478 | 2.7.1.140 | ATP:1D-myo-inositol-1,3,4,6-tetrakisphosphate 5-phosphotransferase |
| KEGG:R03479 | 2.7.1.134 | ATP:1D-myo-inositol-3,4,5,6-tetrakisphosphate 1-phosphotransferase |
| KEGG:R05202 | 2.7.1.158 | ATP:1D-myo-inositol 1,3,4,5,6-pentakisphosphate 2-phosphotransferase |
| KEGG:R05801 | 2.7.1.151 | ATP:1D-myo-inositol-1,4,5,6-tetrakisphosphate 3-phosphotransferase |
| KEGG:R10065 | 2.7.1.151 | ATP:1D-myo-inositol-1,4,5-trisphosphate 3,6-phosphotransferase |
| KEGG:R10953 | 2.7.1.151 | ATP:1D-myo-inositol-1,3,4,5-tetrakisphosphate 6-phosphotransferase |