Lineage for Family c.55.4.2: ERF1/Dom34 middle domain-like
- Root: SCOP 1.75
Class c: Alpha and beta proteins (a/b) [51349] (147 folds) 
Fold c.55: Ribonuclease H-like motif [53066] (7 superfamilies)
3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32145; strand 2 is antiparallel to the rest
Superfamily c.55.4: Translational machinery components [53137] (2 families) 
Family c.55.4.2: ERF1/Dom34 middle domain-like [53143] (3 proteins)
Proteins:
Cell division protein pelota [159647] (1 species) Species Thermoplasma acidophilum [TaxId:2303] [159648] (1 PDB entry)
Uniprot Q9HJ74 127-243
Dom34 [159645] (1 species) Species Saccharomyces cerevisiae [TaxId:4932] [159646] (2 PDB entries)
Uniprot P33309 136-277
Middle domain of eukaryotic peptide chain release factor subunit 1, ERF1 [53144] (1 species) Species Human (Homo sapiens) [TaxId:9606] [53145] (2 PDB entries)
More info for Family c.55.4.2: ERF1/Dom34 middle domain-like
Timeline for Family c.55.4.2: ERF1/Dom34 middle domain-like:
- Family c.55.4.2: ERF1/Dom34 middle domain-like first appeared (with stable ids) in SCOP 1.55, called Family c.55.4.2: Middle domain of eukaryotic peptide chain release factor subunit 1, ERF1
- Family c.55.4.2: ERF1/Dom34 middle domain-like was called Family c.55.4.2: Middle domain of eukaryotic peptide chain release factor subunit 1, ERF1 in SCOP 1.73
- Family c.55.4.2: ERF1/Dom34 middle domain-like appears in SCOPe 2.01
- Family c.55.4.2: ERF1/Dom34 middle domain-like appears in the current release, SCOPe 2.08