Class a: All alpha proteins [46456] (285 folds) |
Fold a.4: DNA/RNA-binding 3-helical bundle [46688] (14 superfamilies) core: 3-helices; bundle, closed or partly opened, right-handed twist; up-and down |
Superfamily a.4.12: TrpR-like [48295] (4 families) contains an extra shared helix after the HTH motif |
a.4.12.1: Trp repressor, TrpR [48296] (2 proteins) intertwined dimer of identical 6-helical subunits automatically mapped to Pfam PF01371 |
a.4.12.2: Chromosomal replication initiation factor DnaA C-terminal domain IV [81695] (1 protein) monomeric; contains additional N-terminal helices |
a.4.12.3: SPO1678-like [158345] (1 protein) Pfam PF06627; DUF1153 |
a.4.12.0: automated matches [254246] (1 protein) not a true family |
Timeline for Superfamily a.4.12: TrpR-like: