SCOP 1.69: Domain d1qbb_4: 1qbb 201-337

Lineage for d1qbb_4 (1qbb 201-337)

1. Root: SCOP 1.69

2. Class d: Alpha and beta proteins (a+b) [53931] (279 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

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

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

8. Domain d1qbb_4: 1qbb 201-337 [40409]
   Other proteins in same PDB: d1qbb_1, d1qbb_2, d1qbb_3

Details for d1qbb_4

PDB Entry: 1qbb, 2 Å

PDB Description: bacterial chitobiase complexed with chitobiose (dinag)

SCOP Domain Sequences for d1qbb_4:

Sequence; same for both SEQRES and ATOM records:

>d1qbb_4 d.92.2.1 (201-337) Bacterial chitobiase, Domain 2 {Serratia marcescens}
snadlqtlpagalrgkivptpmqvkvhaqdadlrkgvaldlstlvkpaadvvsqrfallg
vpvqtngypiktdiqpgkfkgamavsgayelkigkkeaqvigfdqagvfyglqsilslvp
sdgsgkiatldasdapr

Timeline for d1qbb_4:

• d1qbb_4 first appeared (with stable ids) in SCOP 1.55
  
• d1qbb_4 appears in SCOP 1.67
  
• d1qbb_4 appears in SCOP 1.71
  
• d1qbb_4 appears in the current release, SCOPe 2.08, called d1qbba4