This family has previously been described as a hyaluronidase [1,2]. However, more recently it has been shown that this family has beta-N-acetylglucosaminidase activity [3].

1: Novel immunogenic antigen homologous to hyaluronidase in meningioma. Heckel D, Comtesse N, Brass N, Blin N, Zang KD, Meese E; Hum Mol Genet 1998;7:1859-1872. PMID:9811929

2: Molecular genetic analysis of the nagH gene encoding a hyaluronidase of Clostridium perfringens. Canard B, Garnier T, Saint-Joanis B, Cole ST; Mol Gen Genet 1994;243:215-224. PMID:8177218

3: Functional analysis of a group A streptococcal glycoside hydrolase Spy1600 from family 84 reveals it is a beta-N-acetylglucosaminidase and not a hyaluronidase. Sheldon WL, Macauley MS, Taylor EJ, Robinson CE, Charnock SJ, Davies GJ, Vocadlo DJ, Black GW; Biochem J. 2006;399:241-247. PMID:16822234