Predicted to enable glycerate kinase activity. Predicted to be involved in protein phosphorylation. Predicted to act upstream of or within phosphorylation. Located in mitochondrion. Is expressed in alimentary system; cerebral cortex; liver; and urinary system. Human ortholog(s) of this gene implicated in D-glyceric aciduria. Orthologous to human GLYCTK (glycerate kinase). [provided by Alliance of Genome Resources, Apr 2022]