Lineage for Family f.21.2.2: Succinate dehydrogenase/Fumarate reductase transmembrane subunits (SdhC/FrdC and SdhD/FrdD)

  1. Root: SCOPe 2.07
  2. 2575216Class f: Membrane and cell surface proteins and peptides [56835] (60 folds)
  3. 2577736Fold f.21: Heme-binding four-helical bundle [81344] (3 superfamilies)
    core: four transmembrane helices, up-and-down bundle, binds one or two heme groups in between the helices
  4. 2577828Superfamily f.21.2: Fumarate reductase respiratory complex transmembrane subunits [81343] (2 families) (S)
    two distinct families: in one family the common fold is contained in a single-chain subunit, in the other it is formed by two chains
  5. 2577848Family f.21.2.2: Succinate dehydrogenase/Fumarate reductase transmembrane subunits (SdhC/FrdC and SdhD/FrdD) [81373] (7 proteins)
    consists of two homologous non-identical subunits that form a heterodimer; may or may not contain heme groups

Proteins:

  1. 2577849Fumarate reductase subunit FrdC [81370] (2 species)
    1. 2577850Species Escherichia coli [TaxId:536056] [224948] (2 PDB entries)
    2. 2577855Species Escherichia coli [TaxId:562] [81369] (5 PDB entries)
      is not known to bind heme
  2. 2577866Fumarate reductase subunit FrdD [81372] (2 species)
    1. 2577867Species Escherichia coli [TaxId:536056] [192449] (1 PDB entry)
    2. 2577870Species Escherichia coli [TaxId:562] [81371] (6 PDB entries)
      is not known to bind heme
  3. 2577883Large cytochrome binding protein CybL [254390] (1 species)
  4. 2577890Small cytochrome binding protein CybS [254391] (1 species)
    Pfam PF05328; PubMed 15989954
  5. 2577897Succinate dehydrogenase subunit SdhC [82870] (1 species)
    Cytochrome b556 subunit
  6. 2577914Succinate dehydrogenase subunit SdhD [82872] (1 species)
    membrane anchor protein
  7. 2577928automated matches [254461] (3 species)
    not a true protein
    1. 2577929Species Chicken (Gallus gallus) [TaxId:9031] [254987] (6 PDB entries)
    2. 2577945Species Escherichia coli [TaxId:701177] [256012] (2 PDB entries)
    3. 2577950Species Pig (Sus scrofa) [TaxId:9823] [255743] (5 PDB entries)

More info for Family f.21.2.2: Succinate dehydrogenase/Fumarate reductase transmembrane subunits (SdhC/FrdC and SdhD/FrdD)

Timeline for Family f.21.2.2: Succinate dehydrogenase/Fumarate reductase transmembrane subunits (SdhC/FrdC and SdhD/FrdD):

  • Family f.21.2.2: Succinate dehydrogenase/Fumarate reductase transmembrane subunits (SdhC/FrdC and SdhD/FrdD) first appeared in SCOP 1.63
  • Family f.21.2.2: Succinate dehydrogenase/Fumarate reductase transmembrane subunits (SdhC/FrdC and SdhD/FrdD) appears in SCOPe 2.06