Lineage for Family a.4.12.1: Trp repressor, TrpR
- Root: SCOP 1.63
Class a: All alpha proteins [46456] (171 folds) 
Fold a.4: DNA/RNA-binding 3-helical bundle [46688] (11 superfamilies)
core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and down
Superfamily a.4.12: TrpR-like [48295] (2 families) 
contains an extra shared helix after the HTH motifFamily a.4.12.1: Trp repressor, TrpR [48296] (1 protein)
intertwined dimer of identical 6-helical subunits
Protein:
Trp repressor, TrpR [48297] (1 species) Species Escherichia coli [TaxId:562] [48298] (9 PDB entries)
More info for Family a.4.12.1: Trp repressor, TrpR
Timeline for Family a.4.12.1: Trp repressor, TrpR:
- Family a.4.12.1: Trp repressor, TrpR first appeared (with stable ids) in SCOP 1.55, called Family a.107.1.1: Trp repressor
- Family a.4.12.1: Trp repressor, TrpR was called Family a.107.1.1: Trp repressor in SCOP 1.61
- Family a.4.12.1: Trp repressor, TrpR appears in SCOP 1.65
- Family a.4.12.1: Trp repressor, TrpR appears in the current release, SCOPe 2.08