EC 3.2.1.18 CAZY Family: GH33 Recombinant. From Clostridium perfringens. In 3.2 M ammonium sulphate. 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: ~ 140 U/mg (37oC, pH 7.0 on pNP-α-D-N-acetylneuraminic acid) Store at 4oC.