In molecular biology the FGGY carbohydrate kinase family is a family of evolutionarily related carbohydrate kinase enzymes. These enzymes include L-fuculokinase (gene fucK); gluconokinase (gene gntK); glycerol kinase (gene glpK); xylulokinase (gene ); D-ribulose kinase (gene FGGY/YDR109c); and L-xylulose kinase (gene ). These enzymes are proteins of from 480 to 520 amino acid residues.
These enzymes consist of two domains. The N-terminal and C-terminal domains both adopt a ribonuclease H-like fold and are structurally related to each other.
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