Diacylglycerol (DAG) is a second messenger that acts as a protein kinase C activator. This domain is assumed to be an accessory domain: its function is unknown.

1: Porcine diacylglycerol kinase sequence has zinc finger and E-F hand motifs. Sakane F, Yamada K, Kanoh H, Yokoyama C, Tanabe T; Nature 1990;344:345-348. PMID:2156169

2: Molecular cloning of a novel diacylglycerol kinase isozyme with a pleckstrin homology domain and a C-terminal tail similar to those of the EPH family of protein-tyrosine kinases. Sakane F, Imai S, Kai M, Wada I, Kanoh H; J Biol Chem 1996;271:8394-8401. PMID:8626538

3: Purification, cDNA-cloning and expression of human diacylglycerol kinase. Schaap D, de Widt J, van der Wal J, Vandekerckhove J, van Damme J, Gussow D, Ploegh HL, van Blitterswijk WJ, van der Bend RL; FEBS Lett 1990;275:151-158. PMID:2175712

4: Diacylglycerol kinase: a key modulator of signal transduction? Kanoh H, Yamada K, Sakane F; Trends Biochem Sci 1990;15:47-50. PMID:2159661