Structural Classification of Proteins
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Fold: Ribbon-helix-helix

core: 4 helices; array of 2 hairpins, opened

Lineage:

  1. Root: scop
  2. Class: All alpha proteins [46456]
  3. Fold: Ribbon-helix-helix [47597]
    core: 4 helices; array of 2 hairpins, opened

Superfamilies:

  1. Ribbon-helix-helix [47598] (8)
    formerly Met repressor-like; dimeric proteins; the N-termini form a small beta-sheet ribbon
    1. Arc/Mnt-like phage repressors [47599] (2) picpic
    2. CopG-like [100970] (4) picpic
      similar to the phage repressor family
    3. Omega transcriptional repressor [100971] (1) picpic
      plasmid-encoded, similar to the phage repressor family
    4. Met repressor, MetJ (MetR) [100972] (1) picpic
    5. NE0241-like [140544] (1) picpic
      contains extra C-terminal long helix; currently consists of an orphan protein
    6. SeqA N-terminal domain-like [140547] (1) picpic
      N-terminal part of Pfam 03925
    7. Trafficking protein A-like [140550] (1) picpic
    8. VCA0319-like [140553] (1) picpic
      COG4453; extended and extra C-terminal helices; potential component of the bi-partite system also including an acetyltransferase
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MRC site Generated from scop database 1.73 with scopm 1.101 on Wed Nov 21 11:18:32 2007
Copyright © 1994-2007 The scop authors / scop@mrc-lmb.cam.ac.uk