SCOP 1.67: Family d.92.2.1: beta-N-acetylhexosaminidase domain

Lineage for Family d.92.2.1: beta-N-acetylhexosaminidase domain

1. Root: SCOP 1.67

2. Class d: Alpha and beta proteins (a+b) [53931] (260 folds)

3. Fold d.92: Zincin-like [55485] (2 superfamilies)
   contains mixed beta sheet with connection over free side of the sheet

4. Superfamily d.92.2: beta-N-acetylhexosaminidase-like domain [55545] (2 families)
   contains similar fold but lacks its catalytic centre

5. Family d.92.2.1: beta-N-acetylhexosaminidase domain [55546] (3 proteins)
   family GH20

Proteins:

1. Bacterial chitobiase, Domain 2 [55547] (1 species)

   • Species Serratia marcescens [TaxId:615] [55548] (4 PDB entries)

2. beta-hexosaminidase B, N-terminal domain [89992] (1 species)

   • Species Human (Homo sapiens) [TaxId:9606] [89993] (4 PDB entries)

3. beta-N-acetylhexosaminidase, N-terminal domain [64343] (1 species)

   • Species Streptomyces plicatus [TaxId:1922] [64344] (6 PDB entries)

More info for Family d.92.2.1: beta-N-acetylhexosaminidase domain

Timeline for Family d.92.2.1: beta-N-acetylhexosaminidase domain:

• Family d.92.2.1: beta-N-acetylhexosaminidase domain first appeared (with stable ids) in SCOP 1.55, called Family d.92.2.1: Bacterial chitobiase, Domain 2
  
• Family d.92.2.1: beta-N-acetylhexosaminidase domain appears in SCOP 1.65
  
• Family d.92.2.1: beta-N-acetylhexosaminidase domain appears in SCOP 1.69
  
• Family d.92.2.1: beta-N-acetylhexosaminidase domain appears in the current release, SCOPe 2.08