Structural Classification of Proteins
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Superfamily: C-terminal effector domain of the bipartite response regulators

binds to DNA and RNA polymerase; the N-terminal, receiver domain belongs to the CheY family
link to SUPERFAMILY database - Superfamily

Lineage:

  1. Root: scop
  2. Class: All alpha proteins [46456]
  3. Fold: DNA/RNA-binding 3-helical bundle [46688]
    core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and down
  4. Superfamily: C-terminal effector domain of the bipartite response regulators [46894]
    binds to DNA and RNA polymerase; the N-terminal, receiver domain belongs to the CheY family
    link to SUPERFAMILY database - Superfamily

Families:

  1. PhoB-like [46895] (6)
    contains 4-stranded meander beta-sheet in the N-terminal extension
    1. OmpR [46896]
      1. Escherichia coli [TaxId: 562] [46897] (3) picpic
    2. PhoB [46898]
      1. Thermotoga maritima [TaxId: 2336] [68972] (1) picpic
      2. Escherichia coli [TaxId: 562] [46899] (4) picpic
    3. Response regulator DrrB [88988]
      1. Thermotoga maritima [TaxId: 2336] [88989] (1) picpic
    4. Probable regulatory protein EmbR [140313]
      N-terminal domain, unlike the other members
      1. Mycobacterium tuberculosis [TaxId: 1773] [140314] (3) picpic
        SQ P66799 10-104
    5. Transcriptional regulatory protein PrrA [140315]
      1. Mycobacterium tuberculosis [TaxId: 1773] [140316] (4) picpic
        SQ P0A5Z6 128-233
  2. GerE-like (LuxR/UhpA family of transcriptional regulators) [46900] (5)
    contains additional, fourth helix in the C-terminal extension
    1. Germination protein GerE [63488]
      single-domain protein homologous to the C-terminal domain of NarL
      1. Bacillus subtilis [TaxId: 1423] [63489] (1) picpic
    2. Quorum-sensing transcription factor TraR, C-terminal domain [74690]
      1. Agrobacterium tumefaciens [TaxId: 358] [74691] (2) picpic
    3. Nitrate/nitrite response regulator (NarL) [46901]
      1. Escherichia coli [TaxId: 562] [46902] (11) picpic
    4. Transcriptional regulator RcsB [88990]
      1. Erwinia amylovora [TaxId: 552] [88991] (1) picpic
    5. Response regulatory protein StyR, C-terminal domain [140317]
      1. Pseudomonas fluorescens [TaxId: 294] [140318] (2) picpic
        SQ O30989 131-200
  3. Spo0A [46903] (2)
    elaborated with additional helices
    1. Spo0A [46904]
      1. Bacillus stearothermophilus [TaxId: 1422] [46905] (1) picpic
      2. Bacillus subtilis [TaxId: 1423] [74692] (1) picpic
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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