Structural Classification of Proteins
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Protein: 3-alpha,20-beta-hydroxysteroid dehydrogenase from Streptomyces hydrogenans [TaxId: 1905]

Lineage:

  1. Root: scop
  2. Class: Alpha and beta proteins (a/b) [51349]
    Mainly parallel beta sheets (beta-alpha-beta units)
  3. Fold: NAD(P)-binding Rossmann-fold domains [51734]
    core: 3 layers, a/b/a; parallel beta-sheet of 6 strands, order 321456
    The nucleotide-binding modes of this and the next two folds/superfamilies are similar
  4. Superfamily: NAD(P)-binding Rossmann-fold domains [51735]
    link to SUPERFAMILY database - Superfamily
  5. Family: Tyrosine-dependent oxidoreductases [51751]
    also known as short-chain dehydrogenases and SDR family
    parallel beta-sheet is extended by 7th strand, order 3214567; left-handed crossover connection between strands 6 and 7
  6. Protein: 3-alpha,20-beta-hydroxysteroid dehydrogenase [51776]
  7. Species: Streptomyces hydrogenans [TaxId: 1905] [51777]

PDB Entry Domains:

  1. 1hdc picpic
    complexed with cbo
    1. chain a [29862] picpiclink
    2. chain b [29863] picpiclink
    3. chain c [29864] picpiclink
    4. chain d [29865] picpiclink
  2. 2hsd picpic
    complexed with nad
    1. chain a [29866] picpiclink
    2. chain b [29867] picpiclink
    3. chain c [29868] picpiclink
    4. chain d [29869] 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