| Class a: All alpha proteins [46456] (179 folds) |
| Fold a.138: Multiheme cytochromes [48694] (1 superfamily) variable number of helices and little beta structure; not a true fold |
Superfamily a.138.1: Multiheme cytochromes [48695] (3 families) ![]() duplication: contains multiple CxxCH motifs |
| Family a.138.1.3: Di-heme elbow motif [48711] (6 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 |
| Cytochrome c nitrite reductase [48718] (4 species) |
| Species Desulfovibrio desulfuricans [TaxId:876] [89173] (1 PDB entry) |
| Species Escherichia coli [TaxId:562] [74807] (1 PDB entry) |
| Species Sulfurospirillum deleyianum [TaxId:65553] [48719] (1 PDB entry) |
| Species Wolinella succinogenes [TaxId:844] [48720] (3 PDB entries) |
| Cytochrome c554 [48714] (1 species) contains 1 complete motif |
| Species Nitrosomonas europaea [TaxId:915] [48715] (3 PDB entries) |
| Dimeric di-heme split-soret cytochrome c [48716] (1 species) |
| Species Desulfovibrio desulfuricans, ATCC 27774 [TaxId:876] [48717] (1 PDB entry) |
| Flavocytochrome c3 (respiratory fumarate reductase), N-terminal domain [48721] (3 species) |
| Species Shewanella frigidimarina [TaxId:56812] [48722] (10 PDB entries) |
| Species Shewanella oneidensis [TaxId:70863] [74808] (3 PDB entries) |
| Species Shewanella putrefaciens [TaxId:24] [48723] (3 PDB entries) |
| Hydroxylamine oxidoreductase, HAO [48712] (1 species) contains 3 complete motifs |
| Species Nitrosomonas europaea [TaxId:915] [48713] (1 PDB entry) |
| Periplasmic nitrate reductase subunit NapB [74805] (1 species) |
| Species Haemophilus influenzae [TaxId:727] [74806] (1 PDB entry) |
Timeline for Family a.138.1.3: Di-heme elbow motif: