Structural Classification of Proteins
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Fold: Transmembrane helix hairpin

two antiparallel transmembrane helices

Lineage:

  1. Root: scop
  2. Class: Membrane and cell surface proteins and peptides [56835]
    Does not include proteins in the immune system
  3. Fold: Transmembrane helix hairpin [81334]
    two antiparallel transmembrane helices

Superfamilies:

  1. Cytochrome c oxidase subunit II-like, transmembrane region [81464] (1)
    link to SUPERFAMILY database - Superfamily
    1. Cytochrome c oxidase subunit II-like, transmembrane region [81463] (5)
      1. Mitochondrial cytochrome c oxidase, subunit II [81455]
        1. Cow (Bos taurus) [TaxId: 9913] [81454] (21)
          1. 1v54 picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            complexed with cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, unx, zn
            1. region b:1-90 [100323] picpiclink
            2. region o:1-90 [100337] picpiclink
          2. 2dyr picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, unx, zn
            1. region b:1-90 [131901] picpiclink
          3. 2dyr picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, unx, zn
            1. region o:1-90 [131915] picpiclink
          4. 1v55 picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            complexed with cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, unx, zn
            1. region b:1-90 [100351] picpiclink
            2. region o:1-90 [100365] picpiclink
          5. 2eij picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, zn
            1. region b:1-90 [132141] picpiclink
          6. 2eij picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, zn
            1. region o:1-90 [132155] picpiclink
          7. 2eil picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cd, cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, zn
            1. region b:1-90 [132197] picpiclink
          8. 2eil picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cd, cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, zn
            1. region o:1-90 [132211] picpiclink
          9. 2eik picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cd, cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, zn
            1. region b:1-90 [132169] picpiclink
          10. 2eik picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cd, cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, zn
            1. region o:1-90 [132183] picpiclink
          11. 2dys picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cdl, chd, cu, cua, dmu, glh, hea, mg, na, pek, pgv, psc, tgl, unx, zn
            1. region b:1-90 [131929] picpiclink
          12. 2dys picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cdl, chd, cu, cua, dmu, glh, hea, mg, na, pek, pgv, psc, tgl, unx, zn
            1. region o:1-90 [131943] picpiclink
          13. 2occ picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            complexed with cu, hea, mg, na, per, zn
            1. region b:1-90 [43519] picpiclink
            2. region o:1-90 [43529] picpiclink
          14. 1ocr picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            complexed with cu, hea, mg, na, zn
            1. region b:1-90 [43539] picpiclink
            2. region o:1-90 [43549] picpiclink
          15. 2eim picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, zn
            1. region b:1-90 [132225] picpiclink
          16. 2eim picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, zn
            1. region o:1-90 [132239] picpiclink
          17. 2ein picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, zn
            1. region b:1-90 [132253] picpiclink
          18. 2ein picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to d1occb2
            complexed with cdl, chd, cu, cua, dmu, hea, mg, na, pek, pgv, psc, tgl, zn
            1. region o:1-90 [132267] picpiclink
          19. 1occ picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            complexed with cu, hea, mg, zn
            1. region b:1-90 [43559] picpiclink
            2. region o:1-90 [43569] picpiclink
          20. 1ocz picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            complexed with azi, cu, hea, mg, na, zn
            1. region b:1-90 [43579] picpiclink
            2. region o:1-90 [43589] picpiclink
          21. 1oco picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            complexed with cmo, cu, hea, mg, na, zn
            1. region b:1-90 [43599] picpiclink
            2. region o:1-90 [43609] picpiclink
      2. Bacterial aa3 type cytochrome c oxidase subunit II [81458]
        1. Paracoccus denitrificans [TaxId: 266] [81456] (3)
          1. 3ehb picpicxrefxrefxref
            automatically matched to d1ar1b2
            complexed with ca, cu, hea, lda, lmt, mg, per; mutant
            1. region b:1-107 [158151] picpiclink
          2. 1ar1 picpicxrefxrefxrefxref
            complexed with ca, cu, hea, lda, mg
            1. region b:1-107 [43619] picpiclink
          3. 1qle picpicxrefxrefxrefxrefxrefxref
            1. region b:1-107 [43621] picpiclink
        2. Rhodobacter sphaeroides [TaxId: 1063] [81457] (6)
          1. 3dtu picpicxrefxrefxrefxref
            automatically matched to d1m56b2
            complexed with ca, cd, cu, dmu, dxc, hea, hto, mg, oh, po4, trd
            1. region b:30-129 [157858] picpiclink
          2. 3dtu picpicxrefxrefxrefxref
            automatically matched to d1m56b2
            complexed with ca, cd, cu, dmu, dxc, hea, hto, mg, oh, po4, trd
            1. region d:30-129 [157861] picpiclink
          3. 2gsm picpicxrefxrefxrefxref
            automatically matched to d1m56b2
            complexed with ca, cd, cu, dmu, hea, mg, oh, trd
            1. region b:30-129 [135591] picpiclink
          4. 2gsm picpicxrefxrefxrefxref
            automatically matched to d1m56b2
            complexed with ca, cd, cu, dmu, hea, mg, oh, trd
            1. region d:30-129 [135594] picpiclink
          5. 1m56 picpicxrefxrefxrefxref
            complexed with ca, cu, hea, mg, peh
            1. region b:30-129 [74473] picpiclink
            2. region h:30-129 [74478] picpiclink
          6. 1m57 picpicxrefxrefxrefxref
            complexed with ca, cu, hea, mg, peh; mutant
            1. region b:30-129 [74483] picpiclink
            2. region h:30-129 [74488] picpiclink
      3. Bacterial ba3 type cytochrome c oxidase subunit II [81460]
        1. Thermus thermophilus [TaxId: 274] [81459] (5)
          the "missing" first helix is complemented by the ba3 subunit IIa
          1. 1xme picpicxrefxrefxref
            automatically matched to d1ehkb2
            complexed with bng, cu, cua, gol, has, hem
            1. region b:3-36 [122145] picpiclink
          2. 1ehk picpicxrefxrefxref
            complexed with 1cu, bng, cua, has, hem
            1. region b:3-40 [43625] picpiclink
          3. 2qpe picpicxrefxref
            automatically matched to d1ehkb2
            complexed with cu1, cua, has, hem; mutant
            1. region b:3-36 [151203] picpiclink
          4. 3bvd picpicxrefxref
            automatically matched to d1ehkb2
            complexed with cu, cua, has, hem, xe; mutant
            1. region b:3-36 [155661] picpiclink
          5. 2qpd picpicxrefxref
            automatically matched to d1ehkb2
            complexed with cu1, cua, has, hem; mutant
            1. region b:3-36 [151200] picpiclink
      4. Cytochrome O ubiquinol oxidase, subunit II [81462]
        1. Escherichia coli [TaxId: 562] [81461] (1)
          1. 1fft picpicxrefxrefxref
            complexed with cu, hem, heo
            1. region b:27-117 [43628] picpiclink
            2. region g:27-117 [43631] picpiclink
  2. F1F0 ATP synthase subunit C [81333] (1)
    link to SUPERFAMILY database - Superfamily
    1. F1F0 ATP synthase subunit C [81332] (1)
      1. F1F0 ATP synthase subunit C [56891]
        1. Escherichia coli [TaxId: 562] [56892] (6)
          1. 1ijp picpic
            Ala20Pro/Pro64Ala substituted
            mutant
            1. chain a [71237] picpiclink
          2. 1c99 picpic
            1. chain a [43633] picpiclink
          3. 1a91 picpic
            1. chain a [43635] picpiclink
          4. 1c0v picpic
            1. chain a [43634] picpiclink
          5. 1c17 picpicxref
            1. chain a [43636] picpiclink
            2. chain b [43637] picpiclink
            3. chain c [43638] picpiclink
            4. chain d [43639] picpiclink
            5. chain e [43640] picpiclink
            6. chain f [43641] picpiclink
            7. chain g [43642] picpiclink
            8. chain h [43643] picpiclink
            9. chain i [43644] picpiclink
            10. chain j [43645] picpiclink
            11. chain k [43646] picpiclink
            12. chain l [43647] picpiclink
          6. 1l6t picpic
            Ala24/Asp61 to Asp24/Asn61 substituted
            mutant
            1. chain a [73629] picpiclink
  3. Magnesium transport protein CorA, transmembrane region [144083] (1)
    forms homopentameric channel
    link to SUPERFAMILY database - Superfamily
    1. Magnesium transport protein CorA, transmembrane region [144084] (1)
      C-terminal part of Pfam 01544
      1. Magnesium transport protein CorA [144085]
        1. Thermotoga maritima [TaxId: 2336] [144086] (20)
          SQ Q9WZ31 286-349
          1. 2iub picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with cl, mg
            1. region a:286-349 [137670] picpiclink
          2. 2iub picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with cl, mg
            1. region b:286-349 [137672] picpiclink
          3. 2iub picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with cl, mg
            1. region c:286-349 [137674] picpiclink
          4. 2iub picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with cl, mg
            1. region d:286-349 [137676] picpiclink
          5. 2iub picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with cl, mg
            1. region e:286-349 [137678] picpiclink
          6. 2iub picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with cl, mg
            1. region f:286-349 [137680] picpiclink
          7. 2iub picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with cl, mg
            1. region g:286-349 [137682] picpiclink
          8. 2iub picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with cl, mg
            1. region h:286-349 [137684] picpiclink
          9. 2iub picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with cl, mg
            1. region i:286-349 [137686] picpiclink
          10. 2iub picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with cl, mg
            1. region j:286-349 [137688] picpiclink
          11. 2hn2 picpicxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with ca
            1. region a:1286-1349 [136620] picpiclink
          12. 2hn2 picpicxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with ca
            1. region b:2286-2349 [136622] picpiclink
          13. 2hn2 picpicxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with ca
            1. region c:3286-3349 [136624] picpiclink
          14. 2hn2 picpicxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with ca
            1. region d:4286-4349 [136626] picpiclink
          15. 2hn2 picpicxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            complexed with ca
            1. region e:5286-5349 [136628] picpiclink
          16. 2bbj picpicxrefxrefxrefxrefxref
            1. region a:286-349 [128268] picpiclink
          17. 2bbj picpicxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            1. region b:286-349 [128270] picpiclink
          18. 2bbj picpicxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            1. region d:286-349 [128272] picpiclink
          19. 2bbj picpicxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            1. region e:286-349 [128274] picpiclink
          20. 2bbj picpicxrefxrefxrefxrefxref
            automatically matched to 2BBJ A:286-349
            1. region f:286-349 [128276] picpiclink
  4. Htr2 transmembrane domain-like [158212] (1)
    1. Htr2 transmembrane domain-like [158213] (1)
      1. Sensory rhodopsin II transducer, Htr2 [158214]
        1. Natronomonas pharaonis [TaxId: 2257] [158215] (3)
          SQ P42259 27-79! SQ P42259 29-79
          1. 1h2s picpicxref
            complexed with bog, ret
            1. chain b [76579] picpiclink
          2. 2f93 picpicxref
            complexed with bog, ret
            1. region b:29-79 [145151] picpiclink
          3. 2f95 picpicxref
            complexed with bog, ret
            1. region b:27-79 [145152] picpiclink
  5. PsbZ-like [161055] (1)
    1. PsbZ-like [161056] (1)
      Pfam 01737; Ycf9
      1. Photosystem II reaction center protein Z, PsbZ [161057]
        1. Thermosynechococcus elongatus [TaxId: 146786] [161058] (1)
          SQ Q8DHJ2 1-62
          1. 2axt picpicxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxrefxref
            complexed with bcr, bct, ca, cla, dgd, fe2, hem, lhg, lmt, mge, oec, pho, pq9, sqd
            1. region z:1-62 [144941] picpiclink
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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