In the light of the circumstances to which the extremozymes endure,they can be classified as thermophilic,cold tolerant,acidophilic,alkalophilic,pressure tolerant,halophilic and organicsolvent tolerant enzymes.

• 根据极端酶所耐受的环境条件不同 ,可分为嗜热酶、嗜冷酶、嗜酸酶、嗜碱酶、嗜压酶、嗜盐酶及耐有机溶剂酶等。