SCOP 1.73: Family c.55.3.1: Ribonuclease H

Lineage for Family c.55.3.1: Ribonuclease H

1. Root: SCOP 1.73

2. Class c: Alpha and beta proteins (a/b) [51349] (141 folds)

3. Fold c.55: Ribonuclease H-like motif [53066] (7 superfamilies)
   3 layers: a/b/a; mixed beta-sheet of 5 strands, order 32145; strand 2 is antiparallel to the rest

4. Superfamily c.55.3: Ribonuclease H-like [53098] (12 families)
   consists of one domain of this fold

5. Family c.55.3.1: Ribonuclease H [53099] (4 proteins)

Proteins:

1. BH0863-like Ribonuclease H [142490] (1 species)
   new class of RNase H

   • Species Bacillus halodurans [TaxId:86665] [142491] (10 PDB entries)
     BH0863

2. Class II ribonuclease H (RNase HII) [53103] (5 species)

   1. Species Archaeon Archaeoglobus fulgidus [TaxId:2234] [64093] (2 PDB entries)

   2. Species Archaeon Methanococcus jannaschii [TaxId:2190] [53104] (1 PDB entry)

   3. Species Archaeon Pyrococcus horikoshii [TaxId:53953] [110639] (2 PDB entries)

   4. Species Archaeon Thermococcus kodakaraensis [TaxId:311400] [64094] (2 PDB entries)

   5. Species Thermotoga maritima [TaxId:2336] [142489] (1 PDB entry)

3. HIV RNase H (Domain of reverse transcriptase) [53105] (2 species)

   1. Species Human immunodeficiency virus type 1 [TaxId:11676] [53106] (85 PDB entries)

   2. Species Human immunodeficiency virus type 2 [TaxId:11709] [82443] (1 PDB entry)

4. RNase H (RNase HI) [53100] (3 species)

   1. Species Escherichia coli [TaxId:562] [53101] (30 PDB entries)

   2. Species synthetic, Escherichia coli/Thermus thermophilus chimera [69532] (1 PDB entry)

   3. Species Thermus thermophilus [TaxId:274] [53102] (1 PDB entry)

More info for Family c.55.3.1: Ribonuclease H

Timeline for Family c.55.3.1: Ribonuclease H:

• Family c.55.3.1: Ribonuclease H first appeared (with stable ids) in SCOP 1.55
  
• Family c.55.3.1: Ribonuclease H appears in SCOP 1.71
  
• Family c.55.3.1: Ribonuclease H appears in SCOP 1.75
  
• Family c.55.3.1: Ribonuclease H appears in the current release, SCOPe 2.08