Enables carbohydrate kinase activity. Acts upstream of or within several processes, including learning or memory; nervous system development; and sensory perception of pain. Located in endoplasmic reticulum membrane. Is expressed in cerebral cortex. Used to study hydrocephalus. Human ortholog(s) of this gene implicated in congenital muscular dystrophy-dystroglycanopathy type A12 and limb-girdle muscular dystrophy. Orthologous to human POMK (protein O-mannose kinase). [provided by Alliance of Genome Resources, Apr 2022]