Lineage for Superfamily d.67.1: ThrRS/AlaRS common domain
- Root: SCOPe 2.03
Class d: Alpha and beta proteins (a+b) [53931] (376 folds) 
Fold d.67: RRF/tRNA synthetase additional domain-like [55185] (4 superfamilies)
core: alpha-beta(2)-alpha-beta(2); 2 layers: alpha/betaSuperfamily d.67.1: ThrRS/AlaRS common domain [55186] (2 families) 
putative editing domain found in the N-terminal part of ThrRS, the C-terminal of AlaRS, and as a stand-alone protein; probable circular permutation of LuxS (d.185.1.2)
Families:
d.67.1.1: Threonyl-tRNA synthetase (ThrRS), second 'additional' domain [55187] (1 protein) 
d.67.1.2: AlaX-like [103051] (3 proteins)
More info for Superfamily d.67.1: ThrRS/AlaRS common domain
Timeline for Superfamily d.67.1: ThrRS/AlaRS common domain:
- Superfamily d.67.1: ThrRS/AlaRS common domain first appeared (with stable ids) in SCOP 1.55, called Superfamily d.67.1: Threonyl-tRNA synthetase (ThrRS), second 'additional' domain
- Superfamily d.67.1: ThrRS/AlaRS common domain appears in SCOPe 2.02
- Superfamily d.67.1: ThrRS/AlaRS common domain appears in SCOPe 2.04
- Superfamily d.67.1: ThrRS/AlaRS common domain appears in the current release, SCOPe 2.08