phosphatidylinositol-4-phosphate 5-kinase family protein. Identical to Phosphatidylinositol-4-phosphate 5-kinase 5 (PIP5K5) [Arabidopsis Thaliana] (GB:Q9SLG9); similar to ATPIP5K1 (ARABIDOPSIS THALIANA 1-PHOSPHATIDYLINOSITOL-4-PHOSPHATE 5-KINASE 1), 1-phosphatidylinositol-4-phosphate 5-kinase [Arabidopsis thaliana] (TAIR:AT1G21980.1); similar to phosphatidylinositol-4-phosphate 5-kinase family protein [Arabidopsis thaliana] (TAIR:AT3G07960.1); similar to PIP5K4 (PHOSPHATIDYL INOSITOL MONOPHOSPHATE 5 KINASE 4), 1-phosphatidylinositol-4-phosphate 5-kinase [Arabidopsis thaliana] (TAIR:AT3G56960.1); similar to Phosphatidylinositol-4-phosphate 5-