Structural Classification of Proteins
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Protein: A4 beta-galactosidase middle domain from Thermus thermophilus [TaxId: 274]

Lineage:

  1. Root: scop
  2. Class: Alpha and beta proteins (a/b) [51349]
    Mainly parallel beta sheets (beta-alpha-beta units)
  3. Fold: Flavodoxin-like [52171]
    3 layers, a/b/a; parallel beta-sheet of 5 strand, order 21345
  4. Superfamily: Class I glutamine amidotransferase-like [52317]
    conserved positions of the oxyanion hole and catalytic nucleophile; different constituent families contain different additional structures
    link to SUPERFAMILY database - Superfamily
  5. Family: A4 beta-galactosidase middle domain [82351]
    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]
  7. Species: Thermus thermophilus [TaxId: 274] [82353]

PDB Entry Domains:

  1. 1kwg picpicxrefxref
    complexed with act, cl, mpd, zn
    1. region a:394-590 [77563] picpiclink
  2. 1kwk picpicxrefxref
    complexed with act, cl, gal, mpd, zn
    1. region a:394-590 [77567] picpiclink
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MRC site Generated from scop database 1.75 with scopm 1.101 on Wed Jun 3 10:42:06 2009
Copyright © 1994-2009 The scop authors / scop@mrc-lmb.cam.ac.uk