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any of various enzymes, found esp in viruses, that catalyse the breakdown of glucosides containing neuraminic acid, an amino sugar

neuraminidase neu·ra·min·i·dase (nur’ə-mĭn’ĭ-dās’, -dāz’, nyur’-)
An enzyme that catalyzes the hydrolysis of terminal acylneuraminic residues from oligosaccharides, glycoproteins, and glycolipids. It is present as a surface antigen in myxoviruses. Also called sialidase.


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