SPHK1 sphingosine kinase 1 sphingosine kinase 1 (SPHK1); FUNCTIONS IN: diacylglycerol kinase activity, sphinganine kinase activity, D-erythro-sphingosine kinase activity; INVOLVED IN: activation of protein kinase C activity by G-protein coupled receptor protein signaling pathway, seed germination, response to abscisic acid stimulus; LOCATED IN: plant-type vacuole membrane, vacuole; CONTAINS InterPro DOMAIN/s: Diacylglycerol kinase, catalytic domain (InterPro:IPR001206); BEST Arabidopsis thaliana protein match is: Diacylglycerol kinase family protein (TAIR:AT4G21534.1); Has 6888 Blast hits to 3984 proteins in 1156 species: Archae - 1; Bacteria - 4291; Metazoa - 1136; Fungi - 331; Plants - 472; Viruses - 0; Other Eukaryotes - 657 (source: NCBI BLink). AT4G21540