细胞内合成而在细胞外起作用的酶，包括位于细胞外表面或细胞外质空间的酶，也指释放入培养基的酶。
n. exoenzyme ; ectoenzyme
misc. extracellular enzyme
该菌种所产的NK是一种胞外酶。
有些细胞外酶原能被分泌的溶酶体蛋白酶所激活。
Some extracellular proenzymes may be activated by secreted lysosomal proteinases.
研究了云芝在液体培养过程中胞外酶与胞外多糖等相关指标的动态变化。
Dynamic variation of extracellular enzyme activity, extracellular polysaccharide and other relative target during the submerged culture of Corilus versicolor were investigated.
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