SCOP 1.69: Family d.110.3.2: Heme-binding PAS domain

Lineage for Family d.110.3.2: Heme-binding PAS domain

1. Root: SCOP 1.69

2. Class d: Alpha and beta proteins (a+b) [53931] (279 folds)

3. Fold d.110: Profilin-like [55769] (7 superfamilies)
   core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha

4. Superfamily d.110.3: PYP-like sensor domain (PAS domain) [55785] (6 families)
   alpha-beta(2)-alpha(2)-beta(3)

5. Family d.110.3.2: Heme-binding PAS domain [55789] (2 proteins)

Proteins:

1. Direct oxygen sensor protein, DOS [111118] (1 species)
   Heme-regulated cyclic AMP phosphodiesterase; formerly hypothetical protein YddU

   • Species Escherichia coli [TaxId:562] [111119] (4 PDB entries)

2. Histidine kinase FixL heme domain [55790] (2 species)

   1. Species Bradyrhizobium japonicum [TaxId:375] [55792] (8 PDB entries)

   2. Species Rhizobium meliloti [TaxId:382] [55791] (2 PDB entries)

More info for Family d.110.3.2: Heme-binding PAS domain

Timeline for Family d.110.3.2: Heme-binding PAS domain:

• Family d.110.3.2: Heme-binding PAS domain first appeared (with stable ids) in SCOP 1.55, called Family d.110.3.2: Histidine kinase FixL heme domain
  
• Family d.110.3.2: Heme-binding PAS domain was called Family d.110.3.2: Histidine kinase FixL heme domain in SCOP 1.67
  
• Family d.110.3.2: Heme-binding PAS domain appears in SCOP 1.71
  
• Family d.110.3.2: Heme-binding PAS domain appears in the current release, SCOPe 2.08