EC 3.2.1.18 CAZY Family: GH33 Recombinant. From Salmonella typhimurium. In solution (Tris.HCl / NaCl / EDTA). Hydrolysis of unbranched, non-reducing terminal α-2,3-linked >> α-2,6-linked >> α-2,8-linked N-acetylneuraminic acid (NANA; Neu5Ac) residues from glycoproteins and oligosaccharides of glycoconjugates. Specific activity: ~ 750 U/mg (37oC, pH 7.0 on pNP-α-D-N-acetylneuraminic acid) Store at 4oC.