Structural Classification of Proteins and ASTRAL release 1.75B (January 2013)
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Lineage for Superfamily b.82.5: TRAP-like

  1. Root: SCOP 1.75B
  2. Class b: All beta proteins [48724] (174 folds)
  3. Fold b.82: Double-stranded beta-helix [51181] (7 superfamilies)
    one turn of helix is made by two pairs of antiparallel strands linked with short turns
    has appearance of a sandwich of distinct architecture and jelly-roll topology
  4. Superfamily b.82.5: TRAP-like [51219] (2 families) (S)
    shorter variant of double-helix; assembles in large ring-like structures containing from 9 to 11 domains

Families:

  1. b.82.5.1: Trp RNA-binding attenuation protein (TRAP) [51220] (2 protein domains)
    oligomeric ring consists of 11 single-domain subunits
  2. b.82.5.2: PA3696/SPS0176-like [101995] (2 protein domains)
    duplication: there are three structural repeats per subunit; nine domains per ring-like trimer

More info for Superfamily b.82.5: TRAP-like

Timeline for Superfamily b.82.5: TRAP-like:

Superfamily b.82.5: TRAP-like appears in SCOP 1.75A

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