Lineage for Protein: Hydroxylamine oxidoreductase, HAO
- Root: SCOP 1.69
Class a: All alpha proteins [46456] (218 folds) 
Fold a.138: Multiheme cytochromes [48694] (1 superfamily)
variable number of helices and little beta structure; not a true foldSuperfamily a.138.1: Multiheme cytochromes [48695] (3 families) 
duplication: contains multiple CxxCH motifs
Family a.138.1.3: Di-heme elbow motif [48711] (7 proteins)
the main characteristic feature of this motif is the packing of its two hemes
many members contains one or more complete motifs flanked by incomplete motifs and/or other domains
Protein Hydroxylamine oxidoreductase, HAO [48712] (1 species)
contains 3 complete motifs
Species:
Nitrosomonas europaea [TaxId:915] [48713] (1 PDB entry) - Domains for 1fgj:
Domain d1fgja_: 1fgj A: [19679] 
Domain d1fgjb_: 1fgj B: [19680]
- Domains for 1fgj:
More info for Protein Hydroxylamine oxidoreductase, HAO from a.138.1.3: Di-heme elbow motif
Timeline for Protein Hydroxylamine oxidoreductase, HAO from a.138.1.3: Di-heme elbow motif:
- Protein Hydroxylamine oxidoreductase, HAO from a.138.1.3: Di-heme elbow motif first appeared (with stable ids) in SCOP 1.55
- Protein Hydroxylamine oxidoreductase, HAO from a.138.1.3: Di-heme elbow motif appears in SCOP 1.67
- Protein Hydroxylamine oxidoreductase, HAO from a.138.1.3: Di-heme elbow motif appears in SCOP 1.71
- Protein Hydroxylamine oxidoreductase, HAO from a.138.1.3: Di-heme elbow motif appears in the current release, SCOPe 2.08