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・ Sulfur oxygenase
・ Sulfur oxygenase/reductase
・ Sulfur production in the United States
・ Sulfur Springs (Saint Lucia)
・ Sulfur sticks
・ Sulfur tetrachloride
・ Sulfur tetrafluoride
・ Sulfur trifluoride
・ Sulfur trioxide
・ Sulfur trioxide pyridine complex
・ Sulfur water
・ Sulfur-reducing bacteria
・ Sulfurcell
・ Sulfurhead aulonocara
・ Sulfuric acid
Sulfatase
・ Sulfate
・ Sulfate adenylyltransferase
・ Sulfate adenylyltransferase (ADP)
・ Sulfate aerosol
・ Sulfate attack in concrete and mortar
・ Sulfate conjugate
・ Sulfate crust
・ Sulfate minerals
・ Sulfate-reducing bacteria
・ Sulfate-transporting ATPase
・ Sulfathiazole
・ Sulfathiourea
・ Sulfatide
・ Sulfatidosis


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Sulfatase : ウィキペディア英語版
Sulfatase

Sulfatases are enzymes of the esterase class that catalyze the hydrolysis of sulfate esters. These may be found on a range of substrates, including steroids, carbohydrates and proteins. Sulfate esters may be formed from various alcohols and amines. In the latter case the resultant N-sulfates can also be termed sulfamates.
Sulfatases play important roles in the cycling of sulfur in the environment, in the degradation of sulfated glycosaminoglycans and glycolipids in the lysosome, and in remodelling sulfated glycosaminoglycans in the extracellular space. Together with sulfotransferases, sulfatases form the major catalytic machinery for the synthesis and breakage of sulfate esters.
==Occurrence and importance==

Sulfatases are found in lower and higher organisms. In higher organisms they are found in intracellular and extracellular spaces. Steroid sulfatase is distributed in a wide range of tissues throughout the body, enabling sulfated steroids synthesized in the adrenals and gonads to be desulfated following distribution through the circulation system. A large number of sulfatases are localized in the lysosome, an acidic digestive organelle found within the cell. Lysosomal sulfatases cleave a range of sulfated carbohydrates including sulfated glycosaminoglycans and glycolipids. Genetic defects in sulfatase activity can arise through mutations in individual sulfatases and result in certain lysosomal storage disorders with a spectrum of phenotypes ranging from defects in physical and intellectual development.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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