The invention relates to novel water-soluble cellulose derivatives comprising a ligand capable of forming a complex with a polyvalent metal ion.

本发明涉及新的水溶性纤维素衍生物，其包含能够与多价金属离子形成配合物的配体。

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Cellulose binding domains improve the binding and facilitate the activity of catalytic domains on the insoluble substrate, but not on soluble substrate.

纤维素吸附区促进酶与底物的结合，有利于催化区对不溶性底物的作用，但对可溶性底物的催化作用无影响。

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Industrial application: soluble in water, aqueous alkali, ammonia and cellulose solution, colorless and insoluble in organic solution, mineral oil amorphous substance.

工业用途：溶于水、碱水溶液、氨和纤维素溶液，不溶于有机溶液、矿物油的无色无定型物。

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