Complex sentence: TIGAR has a bis-phosphatase-like domain similar to that of fructose-2,6-bisphosphatase that catalyses the removal of phosphate groups from other molecules.
Split into simpler sentences: TIGAR has a bis-phosphatase-like domain, which is similar to that of fructose-2,6-bisphosphatase. This domain catalyses the removal of phosphate groups from other molecules.