SCOP 1.65: Domain d1ctn_1: 1ctn 24-132

Lineage for d1ctn_1 (1ctn 24-132)

1. Root: SCOP 1.65

2. Class b: All beta proteins [48724] (126 folds)

3. Fold b.1: Immunoglobulin-like beta-sandwich [48725] (20 superfamilies)
   sandwich; 7 strands in 2 sheets; greek-key
   some members of the fold have additional strands

4. Superfamily b.1.18: E set domains [81296] (18 families)
   "Early" Ig-like fold families possibly related to the immunoglobulin and/or fibronectin type III superfamilies

5. Family b.1.18.2: E-set domains of sugar-utilizing enzymes [81282] (13 proteins)
   domains of unknown function associated with different type of catalytic domains in a different sequential location
   subgroup of the larger IPT/TIG domain family

6. Protein Chitinase A, N-terminal domain N [49233] (1 species)
   precedes the catalytic (beta/alpha)8-barrel domain

7. Species Serratia marcescens [TaxId:615] [49234] (8 PDB entries)

8. Domain d1ctn_1: 1ctn 24-132 [21876]
   Other proteins in same PDB: d1ctn_2, d1ctn_3

Details for d1ctn_1

PDB Entry: 1ctn, 2.3 Å

PDB Description: crystal structure of a bacterial chitinase at 2.3 angstroms resolution

SCOP Domain Sequences for d1ctn_1:

Sequence; same for both SEQRES and ATOM records:

>d1ctn_1 b.1.18.2 (24-132) Chitinase A, N-terminal domain N {Serratia marcescens}
aapgkptiawgntkfaivevdqaataynnlvkvknaadvsvswnlwngdtgttakillng
keawsgpstgssgtanfkvnkggryqmqvalcnadgctasdateivvad

Timeline for d1ctn_1:

• d1ctn_1 first appeared (with stable ids) in SCOP 1.55
  
• d1ctn_1 appears in SCOP 1.63
  
• d1ctn_1 appears in SCOP 1.67
  
• d1ctn_1 appears in the current release, SCOPe 2.08, called d1ctna1