SCOPe 2.01: Superfamily d.131.1: DNA clamp

Lineage for Superfamily d.131.1: DNA clamp

1. Root: SCOPe 2.01

2. Class d: Alpha and beta proteins (a+b) [53931] (376 folds)

3. Fold d.131: DNA clamp [55978] (1 superfamily)
   contains two helices and two beta sheets
   duplication: fold has internal pseudo two-fold symmetry

4. Superfamily d.131.1: DNA clamp [55979] (2 families)

Families:

1. d.131.1.1: DNA polymerase III, beta subunit [55980] (1 protein)
   duplication: consists of three domains of this fold

2. d.131.1.2: DNA polymerase processivity factor [55983] (4 proteins)
   duplication: consists of two domains of this fold

More info for Superfamily d.131.1: DNA clamp

Timeline for Superfamily d.131.1: DNA clamp:

• Superfamily d.131.1: DNA clamp first appeared (with stable ids) in SCOP 1.55
  
• Superfamily d.131.1: DNA clamp appears in SCOP 1.75
  
• Superfamily d.131.1: DNA clamp appears in SCOPe 2.02
  
• Superfamily d.131.1: DNA clamp appears in the current release, SCOPe 2.08