AF080: Glycoside hydrolase family 20

List allergens from this family:

Routes of exposure:
Include only IUIS approved allergens.

Biochemical properties

The glycoside hydrolase family 20 comprises enzymes with β-hexosaminidase and lacto-N-biosidase activity.

Allergens from this family

Pen ch 20, an N-acetyl-hexosaminadase from the fungus Penicillium chrysogenum was identified as an allergens [1].



  1. Shen HD, Liaw SF, Lin WL, Ro LH, Yang HL, Han SH:
    Molecular cloning of cDNA coding for the 68 kDa allergen of Penicillium notatum using MoAbs.
    Clin Exp Allergy 1995, 25, 350-6. [PubMed]


Links to Pfam

Family-defining Pfam domains (at least one of these domains is present in each family member):

Pfam domain Pfam clan
PF00728 Glycosyl hydrolase family 20, catalytic domain CL0058 Tim barrel glycosyl hydrolase superfamily

Links to Wikipedia


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