Lineage for Family d.68.2.1: RNA 3'-terminal phosphate cyclase, RPTC
- Root: SCOP 1.71
Class d: Alpha and beta proteins (a+b) [53931] (286 folds) 
Fold d.68: IF3-like [55199] (7 superfamilies)
beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest
Superfamily d.68.2: EPT/RTPC-like [55205] (2 families) 
Family d.68.2.1: RNA 3'-terminal phosphate cyclase, RPTC [55206] (1 protein)
duplication: 3 repeats of this fold are packed together around the pseudo threefold axis
Protein:
RNA 3'-terminal phosphate cyclase, RPTC [55207] (1 species)
also contains an insert alpha+beta domain of the thioredoxin-like topologySpecies Escherichia coli [TaxId:562] [55208] (2 PDB entries)
More info for Family d.68.2.1: RNA 3'-terminal phosphate cyclase, RPTC
Timeline for Family d.68.2.1: RNA 3'-terminal phosphate cyclase, RPTC:
- Family d.68.2.1: RNA 3'-terminal phosphate cyclase, RPTC first appeared (with stable ids) in SCOP 1.55
- Family d.68.2.1: RNA 3'-terminal phosphate cyclase, RPTC appears in SCOP 1.69
- Family d.68.2.1: RNA 3'-terminal phosphate cyclase, RPTC appears in SCOP 1.73
- Family d.68.2.1: RNA 3'-terminal phosphate cyclase, RPTC appears in the current release, SCOPe 2.08