Structural Classification of Proteins
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Fold: Single transmembrane helix

not a true fold

Lineage:

  1. Root: scop
  2. Class: Membrane and cell surface proteins and peptides [56835]
    Does not include proteins in the immune system
  3. Fold: Single transmembrane helix [81407]
    not a true fold

Superfamilies:

  1. Photosystem II reaction centre subunit H, transmembrane region [81490] (1)
    link to SUPERFAMILY database - Superfamily
    1. Photosystem II reaction centre subunit H, transmembrane region [81489] (3)
      1. Photosystem II reaction centre subunit H, transmembrane region [81488]
        1. Rhodopseudomonas viridis [TaxId: 1079] [81485] (11) picpic
          synonym: blastochloris viridis
        2. Rhodobacter sphaeroides [TaxId: 1063] [81486] (39) picpic
          SQ P11846
        3. Thermochromatium tepidum [TaxId: 1050] [81487] (1) picpic
  2. Mitochondrial cytochrome c oxidase subunit IV [81406] (1)
    link to SUPERFAMILY database - Superfamily
    1. Mitochondrial cytochrome c oxidase subunit IV [81405] (1)
      1. Mitochondrial cytochrome c oxidase subunit IV [81404]
        function unknown, probably acts as a regulator or is required for the assembly
        1. Cow (Bos taurus) [TaxId: 9913] [81403] (21) picpic
  3. Mitochondrial cytochrome c oxidase subunit VIa [81411] (1)
    link to SUPERFAMILY database - Superfamily
    1. Mitochondrial cytochrome c oxidase subunit VIa [81410] (1)
      1. Mitochondrial cytochrome c oxidase subunit VIa [81409]
        probably responsible for the dimerization of the mitochondrial cytochrome c oxidase
        1. Cow (Bos taurus) [TaxId: 9913] [81408] (21) picpic
  4. Mitochondrial cytochrome c oxidase subunit VIc [81415] (1)
    link to SUPERFAMILY database - Superfamily
    1. Mitochondrial cytochrome c oxidase subunit VIc [81414] (1)
      1. Mitochondrial cytochrome c oxidase subunit VIc [81413]
        function unknown, probably acts as a regulator or is required for the assembly
        1. Cow (Bos taurus) [TaxId: 9913] [81412] (21) picpic
  5. Mitochondrial cytochrome c oxidase subunit VIIa [81419] (1)
    link to SUPERFAMILY database - Superfamily
    1. Mitochondrial cytochrome c oxidase subunit VIIa [81418] (1)
      1. Mitochondrial cytochrome c oxidase subunit VIIa [81417]
        function unknown, probably acts as a regulator or is required for the assembly
        1. Cow (Bos taurus) [TaxId: 9913] [81416] (21) picpic
  6. Mitochondrial cytochrome c oxidase subunit VIIb [81423] (1)
    link to SUPERFAMILY database - Superfamily
    1. Mitochondrial cytochrome c oxidase subunit VIIb [81422] (1)
      1. Mitochondrial cytochrome c oxidase subunit VIIb [81421]
        function unknown, probably acts as a regulator or is required for the assembly
        1. Cow (Bos taurus) [TaxId: 9913] [81420] (21) picpic
  7. Mitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa) [81427] (1)
    link to SUPERFAMILY database - Superfamily
    1. Mitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa) [81426] (1)
      1. Mitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa) [81425]
        function unknown, probably acts as a regulator or is required for the assembly
        1. Cow (Bos taurus) [TaxId: 9913] [81424] (21) picpic
  8. Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX) [81431] (1)
    link to SUPERFAMILY database - Superfamily
    1. Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX) [81430] (1)
      1. Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX) [81429]
        function unknown, probably acts as a regulator or is required for the assembly
        1. Cow (Bos taurus) [TaxId: 9913] [81428] (21) picpic
  9. Bacterial aa3 type cytochrome c oxidase subunit IV [81469] (1)
    link to SUPERFAMILY database - Superfamily
    1. Bacterial aa3 type cytochrome c oxidase subunit IV [81468] (2)
      1. Bacterial aa3 type cytochrome c oxidase subunit IV [81467]
        interacts with subunit I and III, function unknown, non-essential for the enzymatic activity
        1. Paracoccus denitrificans [TaxId: 266] [81465] (1) picpic
        2. Rhodobacter sphaeroides [TaxId: 1063] [81466] (2) picpic
  10. Bacterial ba3 type cytochrome c oxidase subunit IIa [81473] (1)
    link to SUPERFAMILY database - Superfamily
    1. Bacterial ba3 type cytochrome c oxidase subunit IIa [81472] (1)
      1. Bacterial ba3 type cytochrome c oxidase subunit IIa [81471]
        functionally important, corresponds to the first helix of the aa3 type subunit II absent in the ba3 type subunit II
        1. Thermus thermophilus [TaxId: 274] [81470] (5) picpic
  11. F1F0 ATP synthase subunit B, membrane domain [81573] (1)
    link to SUPERFAMILY database - Superfamily
    1. F1F0 ATP synthase subunit B, membrane domain [81572] (1)
      1. F1F0 ATP synthase subunit B, membrane domain [81571]
        1. Escherichia coli [TaxId: 562] [81570] (1) picpic
  12. Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor [81496] (1)
    link to SUPERFAMILY database - Superfamily
    1. Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor [81495] (3)
      1. Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor [81494]
        1. Cow (Bos taurus) [TaxId: 9913] [81491] (19) picpic
          SQ P00125
        2. Chicken (Gallus gallus) [TaxId: 9031] [81492] (3) picpic
        3. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [81493] (9) picpic
  13. ISP transmembrane anchor [81502] (1)
    link to SUPERFAMILY database - Superfamily
    1. ISP transmembrane anchor [81501] (5)
      1. Iron-sulfur subunit (ISP) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane region [81500]
        1. Cow (Bos taurus) [TaxId: 9913] [81497] (13) picpic
          SQ P13272; precursor of chains I,E and V,R
        2. Chicken (Gallus gallus) [TaxId: 9031] [81498] (3) picpic
        3. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [81499] (9) picpic
      2. ISP subunit from the cytochrome b6f complex, transmembrane anchor [103428]
        1. Mastigocladus laminosus [TaxId: 83541] [103429] (6) picpic
        2. Chlamydomonas reinhardtii [TaxId: 3055] [103430] (1) picpic
  14. Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81508] (1)
    link to SUPERFAMILY database - Superfamily
    1. Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81507] (3)
      1. Ubiquinone-binding protein QP-C of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81506]
        together with cytochrome b binds to ubiquinone
        1. Cow (Bos taurus) [TaxId: 9913] [81503] (19) picpic
          SQ P13271 #SP ! SQ P13271
        2. Chicken (Gallus gallus) [TaxId: 9031] [81504] (3) picpic
        3. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [81505] (9) picpic
  15. Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81514] (1)
    link to SUPERFAMILY database - Superfamily
    1. Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81513] (3)
      1. Subunit X (non-heme 7 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81512]
        interacts with cytochrome c1 and ISP
        1. Cow (Bos taurus) [TaxId: 9913] [81509] (18) picpic
          SQ P00130
        2. Chicken (Gallus gallus) [TaxId: 9031] [81510] (3) picpic
        3. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [81511] (9) picpic
  16. Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81518] (1)
    link to SUPERFAMILY database - Superfamily
    1. Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81517] (1)
      1. Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) [81516]
        the smallest subunit of the complex, interacts with subunit 10 and ISP, peripherally located
        1. Cow (Bos taurus) [TaxId: 9913] [81515] (15) picpic
          SQ P07552
  17. Subunit III of photosystem I reaction centre, PsaF [81536] (1)
    link to SUPERFAMILY database - Superfamily
    1. Subunit III of photosystem I reaction centre, PsaF [81535] (1)
      1. Subunit III of photosystem I reaction centre, PsaF [81534]
        1. Synechococcus elongatus [TaxId: 32046] [81533] (1) picpic
  18. Subunit VIII of photosystem I reaction centre, PsaI [81540] (1)
    link to SUPERFAMILY database - Superfamily
    1. Subunit VIII of photosystem I reaction centre, PsaI [81539] (1)
      1. Subunit VIII of photosystem I reaction centre, PsaI [81538]
        1. Synechococcus elongatus [TaxId: 32046] [81537] (1) picpic
  19. Subunit IX of photosystem I reaction centre, PsaJ [81544] (1)
    link to SUPERFAMILY database - Superfamily
    1. Subunit IX of photosystem I reaction centre, PsaJ [81543] (1)
      1. Subunit IX of photosystem I reaction centre, PsaJ [81542]
        1. Synechococcus elongatus [TaxId: 32046] [81541] (1) picpic
  20. Subunit XII of photosystem I reaction centre, PsaM [81548] (1)
    link to SUPERFAMILY database - Superfamily
    1. Subunit XII of photosystem I reaction centre, PsaM [81547] (1)
      1. Subunit XII of photosystem I reaction centre, PsaM [81546]
        1. Synechococcus elongatus [TaxId: 32046] [81545] (1) picpic
  21. Subunit PsaX of photosystem I reaction centre [81552] (1)
    link to SUPERFAMILY database - Superfamily
    1. Subunit PsaX of photosystem I reaction centre [81551] (1)
      1. Subunit PsaX of photosystem I reaction centre [81550]
        1. Synechococcus elongatus [TaxId: 32046] [81549] (1) picpic
  22. Iron-sulfur subunit of formate dehydrogenase N, transmembrane anchor [81597] (1)
    link to SUPERFAMILY database - Superfamily
    1. Iron-sulfur subunit of formate dehydrogenase N, transmembrane anchor [81596] (1)
      1. Iron-sulfur subunit of formate dehydrogenase N, transmembrane anchor [81595]
        1. Escherichia coli [TaxId: 562] [81594] (2) picpic
  23. Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor [103431] (1)
    link to SUPERFAMILY database - Superfamily
    1. Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor [103432] (2)
      1. Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor [103433]
        1. Mastigocladus laminosus [TaxId: 83541] [103434] (1) picpic
        2. Chlamydomonas reinhardtii [TaxId: 3055] [103435] (1) picpic
  24. PetL subunit of the cytochrome b6f complex [103436] (1)
    link to SUPERFAMILY database - Superfamily
    1. PetL subunit of the cytochrome b6f complex [103437] (2)
      1. PetL subunit of the cytochrome b6f complex [103438]
        1. Mastigocladus laminosus [TaxId: 83541] [103439] (6) picpic
        2. Chlamydomonas reinhardtii [TaxId: 3055] [103440] (1) picpic
  25. PetM subunit of the cytochrome b6f complex [103441] (1)
    link to SUPERFAMILY database - Superfamily
    1. PetM subunit of the cytochrome b6f complex [103442] (2)
      1. PetM subunit of the cytochrome b6f complex [103443]
        1. Mastigocladus laminosus [TaxId: 83541] [103444] (6) picpic
        2. Chlamydomonas reinhardtii [TaxId: 3055] [103445] (1) picpic
  26. PetG subunit of the cytochrome b6f complex [103446] (1)
    link to SUPERFAMILY database - Superfamily
    1. PetG subunit of the cytochrome b6f complex [103447] (2)
      1. PetG subunit of the cytochrome b6f complex [103448]
        1. Mastigocladus laminosus [TaxId: 83541] [103449] (6) picpic
        2. Chlamydomonas reinhardtii [TaxId: 3055] [103450] (1) picpic
  27. PetN subunit of the cytochrome b6f complex [103451] (1)
    link to SUPERFAMILY database - Superfamily
    1. PetN subunit of the cytochrome b6f complex [103452] (2)
      1. PetN subunit of the cytochrome b6f complex [103453]
        1. Mastigocladus laminosus [TaxId: 83541] [103454] (6) picpic
        2. Chlamydomonas reinhardtii [TaxId: 3055] [103455] (1) picpic
  28. Preprotein translocase SecE subunit [103456] (1)
    link to SUPERFAMILY database - Superfamily
    1. Preprotein translocase SecE subunit [103457] (2)
      1. Preprotein translocase SecE subunit [103458]
        1. Archaeon Methanococcus jannaschii [TaxId: 2190] [103459] (4) picpic
        2. Canis lupus familiaris [TaxId: 9615] [161015] (1) picpic
  29. Sec-beta subunit [103460] (1)
    link to SUPERFAMILY database - Superfamily
    1. Sec-beta subunit [103461] (2)
      1. Sec-beta subunit [103462]
        1. Archaeon Methanococcus jannaschii [TaxId: 2190] [103463] (4) picpic
        2. Canis lupus familiaris [TaxId: 9615] [161016] (1) picpic
  30. Oligosaccharyltransferase subunit ost4p [103464] (1)
    link to SUPERFAMILY database - Superfamily
    1. Oligosaccharyltransferase subunit ost4p [103465] (1)
      1. Oligosaccharyltransferase subunit ost4p [103466]
        1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [103467] (1) picpic
  31. Photosystem II reaction center protein L, PsbL [161017] (1)
    1. PsbL-like [161018] (1)
      Pfam 02419
      1. Photosystem II reaction center protein L, PsbL [161019]
        1. Thermosynechococcus elongatus [TaxId: 146786] [161020] (1) picpic
          SQ Q8DIN8 1-37
  32. Photosystem II reaction center protein J, PsbJ [161021] (1)
    1. PsbJ-like [161022] (1)
      Pfam 01788
      1. Photosystem II reaction center protein J, PsbJ [161023]
        1. Thermosynechococcus elongatus [TaxId: 146786] [161024] (1) picpic
          SQ P59087 7-40
  33. Photosystem II 10 kDa phosphoprotein PsbH [161025] (1)
    1. PsbH-like [161026] (1)
      Pfam 00737
      1. Photosystem II reaction center protein H, PsbH [161027]
        1. Thermosynechococcus elongatus [TaxId: 146786] [161028] (1) picpic
          SQ Q8DJ43 2-65
  34. Photosystem II reaction center protein T, PsbT [161029] (1)
    1. PsbT-like [161030] (1)
      Pfam 01405
      1. Photosystem II reaction center protein T, PsbT [161031]
        1. Thermosynechococcus elongatus [TaxId: 146786] [161032] (1) picpic
          SQ Q8DIQ0 1-30
  35. Photosystem II reaction center protein M, PsbM [161033] (1)
    1. PsbM-like [161034] (1)
      Pfam 05151
      1. Photosystem II reaction center protein M, PsbM [161035]
        1. Thermosynechococcus elongatus [TaxId: 146786] [161036] (1) picpic
          SQ Q8DHA7 1-36
  36. Photosystem II reaction center protein K, PsbK [161037] (1)
    1. PsbK-like [161038] (1)
      Pfam 02533
      1. Photosystem II reaction center protein K, PsbK [161039]
        1. Thermosynechococcus elongatus [TaxId: 146786] [161040] (1) picpic
          SQ Q9F1K9 10-46
  37. Photosystem II reaction center protein I, PsbI [161041] (1)
    1. PsbI-like [161042] (1)
      Pfam 02532
      1. Photosystem II reaction center protein I, PsbI [161043]
        1. Thermosynechococcus elongatus [TaxId: 146786] [161044] (1) picpic
          SQ Q8DJZ6 1-35
  38. Cytochrome b559 subunits [161045] (1)
    1. Cytochrome b559 subunits [161046] (2)
      Pfam 00283 comprises PsbF beta subunit (PsbF) and the transmembrane helix of alpha subunit (PsbE) that bind one heme group between them; the lumenal region of the alpha subunit is covered by Pfam 00284
      1. Cytochrome b559 subunit alpha, PsbE [161047]
        1. Thermosynechococcus elongatus [TaxId: 146786] [161048] (1) picpic
          SQ Q8DIP0 3-84
      2. Cytochrome b559 subunit beta, PsbF [161049]
        1. Thermosynechococcus elongatus [TaxId: 146786] [161050] (1) picpic
          SQ Q8DIN9 11-45
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MRC site Generated from scop database 1.75 with scopm 1.101 on Wed Jun 3 10:42:06 2009
Copyright © 1994-2009 The scop authors / scop@mrc-lmb.cam.ac.uk