Structural Classification of Proteins

Fold: Multiheme cytochromes

: variable number of helices and little beta structure; not a true fold

Lineage:

Root: scop
Class: All alpha proteins [46456]
Fold: Multiheme cytochromes [48694]
variable number of helices and little beta structure; not a true fold

Superfamilies:

Multiheme cytochromes [48695] (3)
duplication: contains multiple CxxCH motifs
uperfamily
1. Cytochrome c3-like [48696] (13)
  1. Cytochrome c3 [48697]
    contains four heme groups
    1. Desulfovibrio desulfuricans, different strains [TaxId: 876] [48698] (8)
      SQ Q9L915
      1. 1up9
        complexed with hec, so4
        
        chain a [113390]
      2. 1upd
        complexed with hec
        
        chain a [113391]
      3. 3cyr
        complexed with hem
        
        chain a [19648]
      4. 1i77
        complexed with hem
        
        chain a [61878]
      5. 1gmb
        complexed with hec, so4
        
        chain a [76233]
      6. 2cy3
        complexed with hem
        
        chain a [19649]
      7. 1gm4
        complexed with hec, so4
        
        chain a [76232]
      8. 1aqe
        complexed with hem, so4; mutant
        
        chain a [19650]
    2. Desulfovibrio vulgaris [TaxId: 881] [48699] (11)
      SQ P00132
      1. 1j0p
        complexed with eoh, hem, so4; mutant
        
        chain a [90743]
      2. 1j0o
        complexed with eoh, hem
        
        chain a [90742]
      3. 1wr5
        complexed with eoh, hem; mutant
        
        chain a [114835]
      4. 2cth
        complexed with hem
        
        chain a [19652]
        chain b [19653]
      5. 2ffn
        automatically matched to d1it1a_
        complexed with hem; mutant
        
        region a:1-107 [133390]
      6. 2cdv
        complexed with hem
        
        chain a [19651]
      7. 2cym
        complexed with hem
        
        chain a [19654]
      8. 1mdv
        complexed with hem; mutant
        
        chain a [19655]
        chain b [19656]
      9. 1a2i
        complexed with hec
        
        chain a [19657]
      10. 2bpn
        automatically matched to d1a2i__
        complexed with hec
        
        region a:1-107 [128950]
      11. 1it1
        complexed with hec
        
        chain a [71406]
    3. Desulfovibrio gigas [TaxId: 879] [48700] (3)
      1. 1wad
        complexed with ca, hem
        
        chain a [19658]
      2. 1qn0
        complexed with hec
        
        chain a [19659]
      3. 1qn1
        complexed with hec
        
        chain a [19660]
    4. Desulfovibrio gigas, di-tetraheme cytochrome c3 [TaxId: 879] [74804] (1)
      disulfide-crosslinked dimer
      1. 1gyo
        complexed with gol, hec
        
        chain a [70763]
        chain b [70764]
    5. Desulfovibrio africanus [TaxId: 873] [48701] (2)
      1. 3cao
        complexed with ars, cgn, hem, zn
        
        chain a [19661]
      2. 3car
        complexed with ars, cgn, hem, zn
        
        chain a [19662]
    6. Desulfomicrobium norvegicum [TaxId: 52561] [48702] (1)
      synonym: Desulfovibrio desulfuricans Norway
      1. 1czj
        complexed with hem, so4
        
        chain a [19663]
    7. Desulfovibrio baculatus (Desulfomicrobium baculatus) [TaxId: 899] [117036] (1)
      SQ Q6XCI5 # fragment
      1. 1w7o
        complexed with hec
        
        chain a [114318]
  2. Cytochrome c7 (cytochrome c551.5, PpcA) [48703]
    contains three heme groups; deletion of one of Cyt c3 heme-binding sites
    1. Desulfuromonas acetoxidans [TaxId: 891] [48704] (8)
      1. 1hh5
        complexed with hec
        
        chain a [61041]
      2. 1l3o
        complexed with hec; mutant
        
        chain a [73551]
      3. 1kwj
        complexed with hec; mutant
        
        chain a [68877]
      4. 1new
        complexed with hec
        
        chain a [19664]
      5. 2new
        complexed with hec
        
        chain a [19666]
      6. 1f22
        complexed with hec
        
        chain a [19665]
      7. 1ehj
        complexed with hec
        
        chain a [19667]
      8. 1lm2
        complexed with cr, hec
        
        chain a [74026]
    2. Geobacter sulfurreducens, PpcA [TaxId: 35554] [101502] (1)
      1. 1os6
        complexed with dxc, hem, so4
        
        chain a [93476]
    3. Geobacter sulfurreducens, GSU1996 [TaxId: 35554] [110039] (1)
      SQ Q74BP5
      1. 1rwj
        complexed with hem
        
        chain a [105114]
  3. Nine-heme cytochrome c [48705]
    tandem repeat of two cytochrome c3-like domains with additional heme-binding site in the domain interface
    1. Desulfovibrio desulfuricans, ATCC 27774 [TaxId: 876] [48706] (3)
      1. 1ofw
        complexed with act, gol, hec
        
        chain a [92850]
        chain b [92851]
      2. 19hc
        
        chain a [19668]
        chain b [19669]
      3. 1ofy
        complexed with act, gol, hec
        
        chain a [92852]
        chain b [92853]
    2. Desulfovibrio desulfuricans, ATCC 29577 [TaxId: 876] [63634] (1)
      1. 1duw
        complexed with gol, hem
        
        chain a [59138]
  4. 16-heme cytochrome c HmcA [81940]
    tandem repeat of four cytochrome c3-like domains
    1. Desulfovibrio vulgaris [TaxId: 881] [81941] (3)
      1. 2cvc
        automatically matched to d1h29c_
        complexed with hem
        
        region a:40-544 [130860]
      2. 1h29
        complexed with hec
        
        chain a [76546]
        chain b [76547]
        chain c [76548]
        chain d [76549]
      3. 1gws
        complexed with hec, hem
        
        chain a [76370]
2. Photosynthetic reaction centre (cytochrome subunit) [48707] (2)
  consists of four heme-binding repeats
  1. Photosynthetic reaction centre (cytochrome subunit) [48708]
    1. Rhodopseudomonas viridis [TaxId: 1079] [48709] (11)
      1. 2i5n
        automatically matched to d1prcc_
        complexed with bcb, bpb, fe2, hec, hto, lda, mq9, ns5, so4, unl, uq1
        
        region c:1-332 [137063]
      2. 1dxr
        complexed with bcb, bpb, fe2, hec, lda, mq9, mst, ns5, so4; mutant
        
        chain c [19670]
      3. 6prc
        complexed with 7mq, bcb, bpb, ceb, fe2, hem, lda, ns5, so4
        
        chain c [19671]
      4. 3prc
        complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, so4
        
        chain c [19672]
      5. 5prc
        complexed with 7mq, atz, bcb, bpb, fe2, hem, lda, ns5, so4
        
        chain c [19673]
      6. 4prc
        complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, sma, so4
        
        chain c [19676]
      7. 2prc
        complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, so4, uq2
        
        chain c [19675]
      8. 1prc
        complexed with bcl, bpb, fe, hem, lda, mq7, ns1, so4, uq1
        
        chain c [19674]
      9. 7prc
        complexed with 7mq, bcb, bpb, cet, fe2, hem, lda, ns5, so4
        
        chain c [19677]
      10. 1r2c
        complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, so4, uq2
        
        chain c [96859]
      11. 3d38
        automatically matched to d1prcc_
        complexed with bcb, bpb, fe2, hec, hto, lda, mq9, ns5, so4, uq1
        
        region c:1-332 [157273]
    2. Thermochromatium tepidum [TaxId: 1050] [48710] (1)
      1. 1eys
        complexed with bcl, bgl, bph, crt, fe, hem, lda, mq8, pef
        
        chain c [19678]
3. Di-heme elbow motif [48711] (13)
  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
  1. Periplasmic nitrate reductase subunit NapB [74805]
    1. Haemophilus influenzae [TaxId: 727] [74806] (1)
      1. 1jni
        complexed with hem
        
        chain a [71761]
    2. Rhodobacter sphaeroides [TaxId: 1063] [101503] (1)
      1. 1ogy
        complexed with hec, mgd, mo, sf4
        
        chain b [92954]
        chain d [92957]
        chain f [92960]
        chain h [92963]
        chain j [92966]
        chain l [92969]
        chain n [92972]
        chain p [92975]
  2. Hydroxylamine oxidoreductase, HAO [48712]
    contains 3 complete motifs
    1. Nitrosomonas europaea [TaxId: 915] [48713] (1)
      1. 1fgj
        complexed with hec, hem
        
        chain a [19679]
        chain b [19680]
  3. Cytochrome c554 [48714]
    contains 1 complete motif
    1. Nitrosomonas europaea [TaxId: 915] [48715] (3)
      1. 1ft5
        complexed with hem, ips
        
        chain a [19681]
      2. 1ft6
        complexed with dtn, hem, ips, so3
        
        chain a [19682]
      3. 1bvb
        CASP3
        complexed with hem, po4
        
        chain a [19683]
  4. Dimeric di-heme split-soret cytochrome c [48716]
    1. Desulfovibrio desulfuricans, ATCC 27774 [TaxId: 876] [48717] (1)
      1. 1h21
        complexed with hec
        
        chain a [76510]
        chain b [76511]
        chain c [76512]
        chain d [76513]
  5. Cytochrome c nitrite reductase [48718]
    1. Sulfurospirillum deleyianum [TaxId: 65553] [48719] (1)
      1. 1qdb
        complexed with ca, hem, so4
        
        chain a [19688]
        chain b [19689]
        chain c [19690]
    2. Wolinella succinogenes [TaxId: 844] [48720] (6)
      1. 1fs7
        complexed with act, ca, hem, y1
        
        chain a [19691]
      2. 2e80
        automatically matched to d1fs7a_
        complexed with act, ca, hem, no2, yt3
        
        region a:37-507 [132092]
      3. 1fs8
        complexed with act, ca, hem, so4, y1
        
        chain a [19692]
      4. 1fs9
        complexed with azi, ca, hem, y1
        
        chain a [19693]
      5. 3bnf
        automatically matched to d1fs7a_
        complexed with act, ca, hem, so3, y1
        
        region a:37-507 [155438]
      6. 2e81
        automatically matched to d1fs7a_
        complexed with ca, hem, hoa, yt3
        
        region a:37-507 [132093]
    3. Escherichia coli [TaxId: 562] [74807] (5)
      1. 2rdz
        automatically matched to d1gu6a_
        complexed with ca, edo, hec, so4
        
        region a:38-477 [151967]
      2. 2rdz
        automatically matched to d1gu6a_
        complexed with ca, edo, hec, so4
        
        region b:38-477 [151968]
      3. 2rdz
        automatically matched to d1gu6a_
        complexed with ca, edo, hec, so4
        
        region c:38-477 [151969]
      4. 2rdz
        automatically matched to d1gu6a_
        complexed with ca, edo, hec, so4
        
        region d:38-477 [151970]
      5. 1gu6
        complexed with ca, gol, hec
        
        chain a [70575]
        chain c [70576]
        chain e [70577]
        chain g [70578]
    4. Desulfovibrio desulfuricans [TaxId: 876] [89173] (1)
      1. 1oah
        complexed with ca, cl, hem, zn
        
        chain a [86736]
        chain b [86737]
  6. Flavocytochrome c3 (respiratory fumarate reductase), N-terminal domain [48721]
    1. Shewanella frigidimarina [TaxId: 56812] [48722] (16)
      1. 1y0p
        automatically matched to d1e39a1
        complexed with fad, hem, mez, na
        
        region a:1-102 [122507]
      2. 1q9i
        complexed with fad, hem, na, teo; mutant
        
        region a:1-102 [96273]
      3. 2b7r
        automatically matched to d1e39a1
        complexed with fad, fum, hem, na; mutant
        
        region a:1-102 [128049]
      4. 1kss
        complexed with fad, fum, hem, na; mutant
        
        region a:1-102 [72928]
      5. 1m64
        complexed with fad, fum, hem, na; mutant
        
        region a:1-102 [78683]
        region b:1-102 [78686]
      6. 1e39
        complexed with fad, fum, gol, hec, na; mutant
        
        region a:1-102 [19694]
      7. 1ksu
        complexed with fad, fum, hem, na; mutant
        
        region a:1-102 [72931]
        region b:1-102 [72934]
      8. 2b7s
        automatically matched to d1e39a1
        complexed with fad, fum, hem, na; mutant
        
        region a:1-102 [128052]
      9. 1qjd
        
        region a:1-102 [19695]
      10. 1jry
        complexed with fad, fum, hem, na; mutant
        
        region a:1-102 [67199]
        region b:1-102 [67202]
      11. 1lj1
        complexed with fad, fum, hem, na; mutant
        
        region a:1-102 [78023]
        region b:1-102 [78026]
      12. 1jrz
        complexed with fad, fum, hem, na; mutant
        
        region a:1-102 [67205]
        region b:1-102 [67208]
      13. 1jrx
        complexed with fad, fum, hem, na; mutant
        
        region a:1-102 [67193]
        region b:1-102 [67196]
      14. 1p2e
        complexed with acy, fad, fum, hem, na; mutant
        
        region a:1-102 [93926]
      15. 1p2h
        complexed with fad, hem, na, teo; mutant
        
        region a:1-102 [93930]
      16. 1qo8
        complexed with fad, hem
        
        region a:2-102 [19696]
        region d:2-102 [19697]
    2. Shewanella putrefaciens [TaxId: 24] [48723] (3)
      1. 1d4d
        
        region a:4-102 [19702]
      2. 1d4c
        
        region a:1-102 [19698]
        region b:3-102 [19699]
        region c:3-102 [19700]
        region d:1-102 [19701]
      3. 1d4e
        
        region a:4-102 [19703]
    3. Shewanella oneidensis [TaxId: 70863] [74808] (3)
      1. 1m1q
        complexed with hem, sul
        
        chain a [74419]
      2. 1m1r
        complexed with hem, sul
        
        chain a [74420]
      3. 1m1p
        complexed with hem, sul
        
        chain a [74413]
        chain b [74414]
        chain c [74415]
        chain d [74416]
        chain e [74417]
        chain f [74418]
  7. Putative Cytochrome c [110040]
    1. Shewanella oneidensis [TaxId: 70863] [110041] (1)
      SQ Q8E9W8 # SO4144
      1. 1sp3
        complexed with hem, scn
        
        chain a [105866]