SCOP 1.67: Domain d1isqa2: 1isq A:126-247

Lineage for d1isqa2 (1isq A:126-247)

1. Root: SCOP 1.67

2. Class d: Alpha and beta proteins (a+b) [53931] (260 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)

5. Family d.131.1.2: DNA polymerase processivity factor [55983] (3 proteins)
   duplication: consists of two domains of this fold

6. Protein Proliferating cell nuclear antigen (PCNA) [55989] (4 species)

7. Species Archaeon Pyrococcus furiosus [TaxId:2261] [55992] (4 PDB entries)

8. Domain d1isqa2: 1isq A:126-247 [76780]
   complexed with ace; mutant

Details for d1isqa2

PDB Entry: 1isq, 2.3 Å

PDB Description: pyrococcus furiosus pcna complexed with rfcl pip-box peptide

SCOP Domain Sequences for d1isqa2:

Sequence; same for both SEQRES and ATOM records:

>d1isqa2 d.131.1.2 (A:126-247) Proliferating cell nuclear antigen (PCNA) {Archaeon Pyrococcus furiosus}
pelpftakvvvlgevlkdavkdaslvsdsikfiarenefimkaegetqeveikltledeg
lldievqeetksaygvsylsdmvkglgkadevtikfgnempmqmeyyirdegrltfllap
rv

Timeline for d1isqa2:

• d1isqa2 first appeared in SCOP 1.63
  
• d1isqa2 appears in SCOP 1.65
  
• d1isqa2 appears in SCOP 1.69
  
• d1isqa2 appears in the current release, SCOPe 2.08