SCOP 1.69: Domain d1kwga3: 1kwg A:394-590

Lineage for d1kwga3 (1kwg A:394-590)

1. Root: SCOP 1.69

2. Class c: Alpha and beta proteins (a/b) [51349] (136 folds)

3. Fold c.23: Flavodoxin-like [52171] (15 superfamilies)
   3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345

4. Superfamily c.23.16: Class I glutamine amidotransferase-like [52317] (6 families)
   conserved positions of the oxyanion hole and catalytic nucleophile; different constituent families contain different additional structures

5. Family c.23.16.5: A4 beta-galactosidase middle domain [82351] (1 protein)
   probable non-catalytic branch of the class I GAT family; overall fold is very similar but the active site is not conserved

6. Protein A4 beta-galactosidase middle domain [82352] (1 species)

7. Species Thermus thermophilus [TaxId:274] [82353] (2 PDB entries)

8. Domain d1kwga3: 1kwg A:394-590 [77563]
   Other proteins in same PDB: d1kwga1, d1kwga2

Details for d1kwga3

PDB Entry: 1kwg, 1.6 Å

PDB Description: Crystal structure of Thermus thermophilus A4 beta-galactosidase

SCOP Domain Sequences for d1kwga3:

Sequence; same for both SEQRES and ATOM records:

>d1kwga3 c.23.16.5 (A:394-590) A4 beta-galactosidase middle domain {Thermus thermophilus}
pvaqapvalvfdyeaawiyevqpqgaewsylglvylfysalrrlgldvdvvppgaslrgy
afavvpslpivreealeafreaegpvlfgprsgsktetfqipkelppgplqallplkvvr
veslppgllevaegalgrfplglwrewveaplkplltfqdgkgalyregrylylaawpsp
elagrllsalaaeaglk

Timeline for d1kwga3:

• d1kwga3 first appeared in SCOP 1.63
  
• d1kwga3 appears in SCOP 1.67
  
• d1kwga3 appears in SCOP 1.71
  
• d1kwga3 appears in the current release, SCOPe 2.08