Species:

1. Archaeoglobus fulgidus [TaxId:2234] [102272] (2 PDB entries)

   1. Domains for 1rxv:

      1. Domain d1rxva2: 1rxv A:4-219 [98056] Other proteins in same PDB: d1rxva1, d1rxvb1 protein/DNA complex missing some secondary structures that made up less than one-third of the common domain

      2. Domain d1rxvb2: 1rxv B:4-219 [98058] Other proteins in same PDB: d1rxva1, d1rxvb1 protein/DNA complex missing some secondary structures that made up less than one-third of the common domain

   2. Domain for 1rxw:

      • Domain d1rxwa2: 1rxw A:3-219 [98060] Other proteins in same PDB: d1rxwa1 protein/DNA complex missing some secondary structures that made up less than one-third of the common domain

2. Human (Homo sapiens) [TaxId:9606] [142118] (1 PDB entry) Uniprot P39748 2-217

   • Domains for 1ul1:

     1. Domain d1ul1x2: 1ul1 X:2-217 [119691] Other proteins in same PDB: d1ul1a1, d1ul1a2, d1ul1b1, d1ul1b2, d1ul1c1, d1ul1c2, d1ul1x1, d1ul1y1, d1ul1z1 protein/DNA complex; complexed with mg missing some secondary structures that made up less than one-third of the common domain

     2. Domain d1ul1y2: 1ul1 Y:2-217 [119693] Other proteins in same PDB: d1ul1a1, d1ul1a2, d1ul1b1, d1ul1b2, d1ul1c1, d1ul1c2, d1ul1x1, d1ul1y1, d1ul1z1 automated match to d1ul1x2 protein/DNA complex; complexed with mg missing some secondary structures that made up less than one-third of the common domain

     3. Domain d1ul1z2: 1ul1 Z:2-217 [119695] Other proteins in same PDB: d1ul1a1, d1ul1a2, d1ul1b1, d1ul1b2, d1ul1c1, d1ul1c2, d1ul1x1, d1ul1y1, d1ul1z1 automated match to d1ul1x2 protein/DNA complex; complexed with mg missing some secondary structures that made up less than one-third of the common domain

3. Methanococcus jannaschii [TaxId:2190] [53053] (2 PDB entries)

   1. Domain for 1a76:

      • Domain d1a76a2: 1a76 A:2-208 [33361] Other proteins in same PDB: d1a76a1 complexed with mn missing some secondary structures that made up less than one-third of the common domain

   2. Domain for 1a77:

      • Domain d1a77a2: 1a77 A:2-208 [33360] Other proteins in same PDB: d1a77a1 complexed with mg missing some secondary structures that made up less than one-third of the common domain

4. Pyrococcus furiosus [TaxId:2261] [53055] (1 PDB entry)

   • Domains for 1b43:

     1. Domain d1b43a2: 1b43 A:1-219 [33362] Other proteins in same PDB: d1b43a1, d1b43b1 missing some secondary structures that made up less than one-third of the common domain

     2. Domain d1b43b2: 1b43 B:1-219 [33363] Other proteins in same PDB: d1b43a1, d1b43b1 missing some secondary structures that made up less than one-third of the common domain

5. Pyrococcus horikoshii [TaxId:53953] [82436] (1 PDB entry)

   • Domains for 1mc8:

     1. Domain d1mc8a2: 1mc8 A:2-220 [78946] Other proteins in same PDB: d1mc8a1, d1mc8b1 mutant missing some secondary structures that made up less than one-third of the common domain

     2. Domain d1mc8b2: 1mc8 B:2-220 [78948] Other proteins in same PDB: d1mc8a1, d1mc8b1 mutant missing some secondary structures that made up less than one-third of the common domain

More info for Protein Flap endonuclease-1 (Fen-1 nuclease) from c.120.1.2: 5' to 3' exonuclease catalytic domain

Timeline for Protein Flap endonuclease-1 (Fen-1 nuclease) from c.120.1.2: 5' to 3' exonuclease catalytic domain:

• Protein Flap endonuclease-1 (Fen-1 nuclease) from c.120.1.2: 5' to 3' exonuclease catalytic domain first appeared (with stable ids) in SCOP 1.55, called Protein Flap endonuclease-1 from c.53.1.2: 5' to 3' exonuclease
  
• Protein Flap endonuclease-1 (Fen-1 nuclease) from c.120.1.2: 5' to 3' exonuclease catalytic domain appears in SCOPe 2.07