ceramide kinase-related. similar to D-erythro-sphingosine kinase/ diacylglycerol kinase [Arabidopsis thaliana] (TAIR:AT4G21540.1); similar to diacylglycerol kinase [Arabidopsis thaliana] (TAIR:AT4G21540.2); similar to diacylglycerol kinase [Arabidopsis thaliana] (TAIR:AT4G21540.3); similar to unnamed protein product [Vitis vinifera] (GB:CAO60836.1); contains InterPro domain Diacylglycerol kinase, catalytic region; (InterPro:IPR001206)