In enzymology, a dolichol kinase (EC 2.7.1.108) is an enzyme that catalyzes the chemical reaction
- CTP + dolichol
CDP + dolichyl phosphate

Quick facts Identifiers, EC no. ...
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AliasesDOLK, CDG1M, DK, DK1, SEC59, TMEM15, dolichol kinase Quick facts DOLK, Identifiers ...
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Thus, the two substrates of this enzyme are CTP and dolichol, whereas its two products are CDP and dolichyl phosphate.
This enzyme belongs to the family of transferases, to be specific, those transferring phosphorus-containing groups (phosphotransferases) with an alcohol group as acceptor. The systematic name of this enzyme class is CTP:dolichol O-phosphotransferase. This enzyme is also called dolichol phosphokinase. This enzyme participates in N-glycan biosynthesis.
In humans dolichol kinase is encoded by the DOLK gene.[5][6][7]