Lineage for Family a.138.1.2: Photosynthetic reaction centre (cytochrome subunit)
- Root: SCOPe 2.01
Class a: All alpha proteins [46456] (284 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.138.1.2: Photosynthetic reaction centre (cytochrome subunit) [48707] (1 protein)
consists of four heme-binding repeats
Protein:
Photosynthetic reaction centre (cytochrome subunit) [48708] (2 species) Species Rhodopseudomonas viridis [TaxId:1079] [48709] (15 PDB entries) 
Species Thermochromatium tepidum [TaxId:1050] [48710] (1 PDB entry)
More info for Family a.138.1.2: Photosynthetic reaction centre (cytochrome subunit)
Timeline for Family a.138.1.2: Photosynthetic reaction centre (cytochrome subunit):
- Family a.138.1.2: Photosynthetic reaction centre (cytochrome subunit) first appeared (with stable ids) in SCOP 1.55
- Family a.138.1.2: Photosynthetic reaction centre (cytochrome subunit) appears in SCOP 1.75
- Family a.138.1.2: Photosynthetic reaction centre (cytochrome subunit) appears in SCOPe 2.02
- Family a.138.1.2: Photosynthetic reaction centre (cytochrome subunit) appears in the current release, SCOPe 2.08