Lineage for Fold d.61: LigT-like
- Root: SCOP 1.65
Class d: Alpha and beta proteins (a+b) [53931] (234 folds) 
Fold d.61: LigT-like [55143] (1 superfamily)
duplication of beta-alpha-beta-alpha-beta motif: antiparallel beta sheet forms barrel (n=6, S=8) similar to the barrel of prokaryotic DNA topoisomerases I and III
Superfamily:
d.61.1: LigT-like [55144] (2 families) 
More info for Fold d.61: LigT-like
Timeline for Fold d.61: LigT-like:
- Fold d.61: LigT-like first appeared (with stable ids) in SCOP 1.55, called Fold d.61: tRNA splicing product Appr>p cyclic nucleotide phosphodiesterase
- Fold d.61: LigT-like was called Fold d.61: tRNA splicing product Appr>p cyclic nucleotide phosphodiesterase in SCOP 1.63
- Fold d.61: LigT-like appears in SCOP 1.67
- Fold d.61: LigT-like appears in the current release, SCOPe 2.08