Lineage for Fold a.23: Open three-helical up-and-down bundle

  1. Root: SCOP 1.73
  2. 631650Class a: All alpha proteins [46456] (258 folds)
  3. 637810Fold a.23: Open three-helical up-and-down bundle [47143] (6 superfamilies)
    core: 3 helices; bundle, open

Superfamilies:

  1. 637811a.23.1: HSC20 (HSCB), C-terminal oligomerisation domain [47144] (1 family) (S)
  2. 637818a.23.2: Diol dehydratase, gamma subunit [47148] (1 family) (S)
    contains irregular N-terminal subdomain
  3. 637841a.23.3: Methane monooxygenase hydrolase, gamma subunit [47152] (1 family) (S)
    duplication: consists of two domains of this fold
  4. 637900a.23.4: Mitochondrial import receptor subunit Tom20 [47157] (1 family) (S)
  5. 637905a.23.5: Hemolysin expression modulating protein HHA [68989] (1 family) (S)
  6. 637910a.23.6: EF2458-like [140404] (1 family) (S)
    N-terminal helix swapped dimer; interrupted antiparallel coiled coil

More info for Fold a.23: Open three-helical up-and-down bundle

Timeline for Fold a.23: Open three-helical up-and-down bundle: