Class d: Alpha and beta proteins (a+b) [53931] (279 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) |
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 |
d.68.2.2: Enolpyruvate transferase, EPT [55209] (2 proteins) duplication: 6 repeats of this fold are organized in two RPTC-like domains |
Timeline for Superfamily d.68.2: EPT/RTPC-like: