Class d: Alpha and beta proteins (a+b) [53931] (396 folds) |
Fold d.131: DNA clamp [55978] (1 superfamily) contains two helices and two beta sheets duplication: fold has internal pseudo two-fold symmetry |
Superfamily d.131.1: DNA clamp [55979] (3 families) |
d.131.1.1: DNA polymerase III, beta subunit [55980] (1 protein) duplication: consists of three domains of this fold |
d.131.1.2: DNA polymerase processivity factor [55983] (5 proteins) duplication: consists of two domains of this fold |
d.131.1.0: automated matches [227185] (1 protein) not a true family |
Timeline for Superfamily d.131.1: DNA clamp: