Fold: Bacterial photosystem II reaction centre, L and M subunits

five transmembrane helices forming a sheet-like structure

Lineage:

1. Root: scop
2. Class: Membrane and cell surface proteins and peptides [56835]
   Does not include proteins in the immune system
3. Fold: Bacterial photosystem II reaction centre, L and M subunits [81484]
   five transmembrane helices forming a sheet-like structure

Superfamilies:

1. Bacterial photosystem II reaction centre, L and M subunits [81483] (1)
   uperfamily
   1. Bacterial photosystem II reaction centre, L and M subunits [81482] (8)
      L and M are probably related to each other
      1. L (light) subunit [81477]
         1. Rhodopseudomonas viridis [TaxId: 1079] [81474] (11)
            1. 2i5n
               automatically matched to d1prcl_
               complexed with bcb, bpb, fe2, hec, hto, lda, mq9, ns5, so4, unl, uq1
               1. region l:1-273 [137066]
            2. 1dxr
               complexed with bcb, bpb, fe2, hec, lda, mq9, mst, ns5, so4; mutant
               1. chain l [43431]
            3. 6prc
               complexed with 7mq, bcb, bpb, ceb, fe2, hem, lda, ns5, so4
               1. chain l [43434]
            4. 3prc
               complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, so4
               1. chain l [43437]
            5. 5prc
               complexed with 7mq, atz, bcb, bpb, fe2, hem, lda, ns5, so4
               1. chain l [43440]
            6. 4prc
               complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, sma, so4
               1. chain l [43449]
            7. 2prc
               complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, so4, uq2
               1. chain l [43446]
            8. 1prc
               complexed with bcl, bpb, fe, hem, lda, mq7, ns1, so4, uq1
               1. chain l [43443]
            9. 7prc
               complexed with 7mq, bcb, bpb, cet, fe2, hem, lda, ns5, so4
               1. chain l [43452]
            10. 1r2c
                complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, so4, uq2
                1. chain l [96862]
            11. 3d38
                automatically matched to d1prcl_
                complexed with bcb, bpb, fe2, hec, hto, lda, mq9, ns5, so4, uq1
                1. region l:1-273 [157276]
         2. Rhodobacter sphaeroides [TaxId: 1063] [81475] (67)
            SQ P02954
            1. 2j8c
               automatically matched to d1aigl_
               complexed with bcl, bph, cdl, fe, ggd, gol, hto, lda, pc1, po4, spo, u10
               1. region l:1-281 [147909]
            2. 1rzh
               complexed with bcl, bph, cdl, fe2, gol, hto, lda, po4, spo, u10; mutant
               1. chain l [98164]
            3. 1qov
               1. chain l [43455]
            4. 2jiy
               automatically matched to d1aigl_
               complexed with bcl, bph, cdl, cl, d12, fe, lda, po4, spn, u10; mutant
               1. region l:1-281 [148119]
            5. 1ry5
               complexed with bcl, bph, cdl, fe2, gol, k, lda, po4, spo, u10; mutant
               1. chain l [98088]
            6. 2j8d
               automatically matched to d1aigl_
               complexed with bcl, bph, cdl, fe, gol, hto, lda, po4, spo, u10
               1. region l:1-281 [147911]
            7. 2uwu
               automatically matched to d1aigl_
               complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
               1. region l:1-281 [152225]
            8. 2uww
               automatically matched to d1aigl_
               complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
               1. region l:1-281 [152229]
            9. 1rg5
               complexed with bcl, bph, cdl, fe, hto, lda, u10
               1. chain l [97425]
            10. 2hg9
                automatically matched to d1aigl_
                complexed with bcl, bph, cdl, cl, fe, gol, k, lda, pc7, pck, po4, u10
                1. region l:1-281 [136394]
            11. 2hhk
                automatically matched to d1aigl_
                complexed with bcl, bph, cdl, cl, fe, gol, k, lda, pgk, pgt, po4, u10
                1. region l:1-281 [136499]
            12. 1e6d
                complexed with bcl, bph, fe, lda, po4, spn, u10; mutant
                1. chain l [43458]
            13. 1aij
                complexed with bcl, bph, fe2, lda, u10
                1. chain l [43461]
                2. chain r [43464]
            14. 2boz
                automatically matched to d1aigl_
                complexed with bcl, bh1, d10, fe, lda, po4, spn, u10; mutant
                1. region l:1-281 [128918]
            15. 2gnu
                automatically matched to d1aigl_
                complexed with bcl, bph, cdl, cl, fe2, lda, u10
                1. region l:1-281 [135419]
            16. 2uwv
                automatically matched to d1aigl_
                complexed with bcl, bph, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region l:1-281 [152227]
            17. 2uxj
                automatically matched to d1aigl_
                complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region l:1-281 [152302]
            18. 2uxk
                automatically matched to d1aigl_
                complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region l:1-281 [152304]
            19. 2hh1
                automatically matched to d1aigl_
                complexed with bcl, bph, cdl, fe, gol, hto, k, lda, pc7, pc9, po4, u10
                1. region l:1-281 [136466]
            20. 1m3x
                complexed with bcl, bph, cdl, cl, fe, ggd, pc2, spo, u10
                1. chain l [74435]
            21. 2ux5
                automatically matched to d1aigl_
                complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region l:1-281 [152256]
            22. 1ogv
                complexed with bcl, bph, cdl, cl, fe2, u10
                1. chain l [92950]
            23. 1rqk
                complexed with bcl, bph, cdl, fe, lda, sp2, u10
                1. chain l [97748]
            24. 1l9b
                complexed with bcl, bph, cl, fe2, hem, hto, lda, na, u10
                1. chain l [73714]
            25. 1rzz
                complexed with bcl, bph, fe2, lda, spo, u10; mutant
                1. chain l [98240]
                2. chain r [98242]
            26. 1mps
                complexed with bcl, bph, fe2, lda, po4, spn, u10; mutant
                1. chain l [43467]
            27. 2hg3
                automatically matched to d1aigl_
                complexed with bcl, bph, cdl, fe, gol, hto, k, lda, pc9, po4, u10
                1. region l:1-281 [136391]
            28. 2ux3
                automatically matched to d1aigl_
                complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region l:1-281 [152252]
            29. 2ux4
                automatically matched to d1aigl_
                complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region l:1-281 [152254]
            30. 2bns
                automatically matched to d1aigl_
                complexed with bcl, bh1, cl, fe2, mst, po4, u10
                1. region a:1-281 [128855]
            31. 2uwt
                automatically matched to d1aigl_
                complexed with bcl, bph, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region l:1-281 [152223]
            32. 1kby
                complexed with bcl, bph, cdl, cl, fe, spo, u10; mutant
                1. chain l [77329]
            33. 1dv3
                complexed with bcl, bph, cd, cl, fe2, lda, u10
                1. chain l [43476]
                2. chain r [43479]
            34. 1ds8
                complexed with bcl, bph, cd, cl, fe2, lda, u10
                1. chain l [43470]
                2. chain r [43473]
            35. 2hit
                automatically matched to d1aigl_
                complexed with bcl, bph, cdl, cl, fe, gol, k, lda, pev, pew, po4, u10
                1. region l:1-281 [136531]
            36. 2gmr
                complexed with bcl, bph, fe2, lda, spn, u10; mutant
                1. region l:1-280 [145219]
            37. 1dv6
                complexed with bcl, bph, cl, fe2, lda, u10, zn
                1. chain l [43488]
                2. chain r [43491]
            38. 2uxm
                automatically matched to d1aigl_
                complexed with bcl, bph, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region l:1-281 [152308]
            39. 1fnq
                complexed with bcl, bph, fe, lda, po4, spo, u10; mutant
                1. chain l [59918]
            40. 1jgw
                complexed with bcl, bph, cdl, fe, spo, u10; mutant
                1. chain l [63020]
            41. 2jj0
                automatically matched to d1aigl_
                complexed with bcl, bph, cdl, cl, fe, spn, u10; mutant
                1. region l:1-281 [148122]
            42. 1rgn
                complexed with bcl, bph, fe, lda, po4, spo, u10
                1. chain l [97442]
            43. 1fnp
                complexed with bcl, bph, fe, lda, po4, spo, u10; mutant
                1. chain l [59914]
            44. 1aig
                complexed with bcl, bph, fe2, u10
                1. chain l [43482]
                2. chain n [43485]
            45. 2bnp
                automatically matched to d1aigl_
                complexed with bcl, bh1, cl, fe2, mst, po4, u10
                1. region a:1-281 [128847]
            46. 1s00
                complexed with bcl, bph, fe2, lda, spo, u10; mutant
                1. chain l [98248]
                2. chain r [98250]
            47. 2hj6
                automatically matched to d1aigl_
                complexed with bcl, bph, cdl, fe, gol, hto, k, lda, po4, ps2, u10
                1. region l:1-281 [136536]
            48. 1jgz
                complexed with bcl, bph, cdl, fe, spo, u10; mutant
                1. chain l [63032]
            49. 1rvj
                complexed with bcl, bph, cdl, fe2, lda, po4, spo, u10; mutant
                1. chain l [97926]
            50. 1e14
                complexed with bcl, bph, cdl, fe, lda, spn, u10; mutant
                1. chain l [43497]
            51. 2uxl
                automatically matched to d1aigl_
                complexed with bcl, bph, fe, gol, hto, lda, spo, u10, uq2
                1. region l:1-281 [152306]
            52. 1jgy
                complexed with bcl, bph, cdl, fe, spo, u10; mutant
                1. chain l [63028]
            53. 1k6l
                complexed with bcl, bph, cdl, fe, lda, spn, u10
                1. chain l [72086]
            54. 1pcr
                complexed with bcl, bph, fe, lda, po4, spo, u10
                1. chain l [43494]
            55. 1k6n
                complexed with bcl, bph, cdl, fe, lda, spn, u10; mutant
                1. chain l [72090]
            56. 1jgx
                complexed with bcl, bph, fe, spo, u10; mutant
                1. chain l [63024]
            57. 1f6n
                complexed with bcl, bph, fe, lda, po4, spo, u10; mutant
                1. chain l [59660]
            58. 1umx
                complexed with bcl, bpb, fe, lda, po4, spn, u10; mutant
                1. chain l [107963]
            59. 2uws
                automatically matched to d1aigl_
                complexed with bcl, bph, fe, gol, lda, po4, spo, u10, uq2
                1. region l:1-281 [152221]
            60. 1l9j
                complexed with bcl, bph, cl, fe2, hem, lda, u10
                1. chain l [73726]
                2. chain r [73728]
            61. 1jh0
                complexed with bcl, bph, fe, spo, u10; mutant
                1. chain l [63036]
            62. 1pst
                complexed with bcl, bph, crt, fe, u10; mutant
                1. chain l [43503]
            63. 1pss
                complexed with bcl, bph, crt, fe, u10
                1. chain l [43500]
            64. 2rcr
                complexed with bcl, bpa, fe, uq
                1. chain l [43506]
            65. 1yst
                complexed with bcl, bph, mn, spo, u10
                1. chain l [43509]
            66. 4rcr
                complexed with bcl, bog, bph, fe, u10
                1. chain l [43512]
            67. 1z9k
                automatically matched to d1aigl_
                complexed with bcl, bph, fe, mn, u10
                1. region a:1-281 [124766]
         3. Thermochromatium tepidum [TaxId: 1050] [81476] (1)
            1. 1eys
               complexed with bcl, bgl, bph, crt, fe, hem, lda, mq8, pef
               1. chain l [43515]
      2. M (medium) subunit [81481]
         1. Rhodopseudomonas viridis [TaxId: 1079] [81478] (11)
            1. 2i5n
               automatically matched to d1dxrm_
               complexed with bcb, bpb, fe2, hec, hto, lda, mq9, ns5, so4, unl, uq1
               1. region m:1-323 [137067]
            2. 1dxr
               complexed with bcb, bpb, fe2, hec, lda, mq9, mst, ns5, so4; mutant
               1. chain m [43432]
            3. 6prc
               complexed with 7mq, bcb, bpb, ceb, fe2, hem, lda, ns5, so4
               1. chain m [43435]
            4. 3prc
               complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, so4
               1. chain m [43438]
            5. 5prc
               complexed with 7mq, atz, bcb, bpb, fe2, hem, lda, ns5, so4
               1. chain m [43441]
            6. 4prc
               complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, sma, so4
               1. chain m [43450]
            7. 2prc
               complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, so4, uq2
               1. chain m [43447]
            8. 1prc
               complexed with bcl, bpb, fe, hem, lda, mq7, ns1, so4, uq1
               1. chain m [43444]
            9. 7prc
               complexed with 7mq, bcb, bpb, cet, fe2, hem, lda, ns5, so4
               1. chain m [43453]
            10. 1r2c
                complexed with 7mq, bcb, bpb, fe2, hem, lda, ns5, so4, uq2
                1. chain m [96863]
            11. 3d38
                automatically matched to d1dxrm_
                complexed with bcb, bpb, fe2, hec, hto, lda, mq9, ns5, so4, uq1
                1. region m:1-323 [157277]
         2. Rhodobacter sphaeroides [TaxId: 1063] [81479] (65)
            SQ P02953
            1. 2j8c
               automatically matched to d2rcrm_
               complexed with bcl, bph, cdl, fe, ggd, gol, hto, lda, pc1, po4, spo, u10
               1. region m:1-303 [147910]
            2. 1rzh
               complexed with bcl, bph, cdl, fe2, gol, hto, lda, po4, spo, u10; mutant
               1. chain m [98165]
            3. 1qov
               1. chain m [43456]
            4. 1ry5
               complexed with bcl, bph, cdl, fe2, gol, k, lda, po4, spo, u10; mutant
               1. chain m [98089]
            5. 2j8d
               automatically matched to d2rcrm_
               complexed with bcl, bph, cdl, fe, gol, hto, lda, po4, spo, u10
               1. region m:1-303 [147912]
            6. 2uwu
               automatically matched to d2rcrm_
               complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
               1. region m:1-303 [152226]
            7. 2uww
               automatically matched to d2rcrm_
               complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
               1. region m:1-303 [152230]
            8. 1rg5
               complexed with bcl, bph, cdl, fe, hto, lda, u10
               1. chain m [97426]
            9. 2hg9
               automatically matched to d2rcrm_
               complexed with bcl, bph, cdl, cl, fe, gol, k, lda, pc7, pck, po4, u10
               1. region m:1-302 [136395]
            10. 2hhk
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdl, cl, fe, gol, k, lda, pgk, pgt, po4, u10
                1. region m:1-302 [136500]
            11. 1e6d
                complexed with bcl, bph, fe, lda, po4, spn, u10; mutant
                1. chain m [43459]
            12. 1aij
                complexed with bcl, bph, fe2, lda, u10
                1. chain m [43462]
                2. chain s [43465]
            13. 2boz
                complexed with bcl, bh1, d10, fe, lda, po4, spn, u10; mutant
                1. region m:1-303 [145004]
            14. 2gnu
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdl, cl, fe2, lda, u10
                1. region m:4-300 [135420]
            15. 2uwv
                automatically matched to d2rcrm_
                complexed with bcl, bph, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region m:1-303 [152228]
            16. 2uxj
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region m:1-303 [152303]
            17. 2uxk
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region m:1-303 [152305]
            18. 2hh1
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdl, fe, gol, hto, k, lda, pc7, pc9, po4, u10
                1. region m:1-302 [136467]
            19. 1m3x
                complexed with bcl, bph, cdl, cl, fe, ggd, pc2, spo, u10
                1. chain m [74436]
            20. 2ux5
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region m:1-303 [152257]
            21. 1ogv
                complexed with bcl, bph, cdl, cl, fe2, u10
                1. chain m [92951]
            22. 1rqk
                complexed with bcl, bph, cdl, fe, lda, sp2, u10
                1. chain m [97749]
            23. 1l9b
                complexed with bcl, bph, cl, fe2, hem, hto, lda, na, u10
                1. chain m [73715]
            24. 1rzz
                complexed with bcl, bph, fe2, lda, spo, u10; mutant
                1. chain m [98241]
                2. chain s [98243]
            25. 1mps
                complexed with bcl, bph, fe2, lda, po4, spn, u10; mutant
                1. chain m [43468]
            26. 2hg3
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdl, fe, gol, hto, k, lda, pc9, po4, u10
                1. region m:1-302 [136392]
            27. 2ux3
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region m:1-303 [152253]
            28. 2ux4
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdn, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region m:1-303 [152255]
            29. 2bns
                automatically matched to d2rcrm_
                complexed with bcl, bh1, cl, fe2, mst, po4, u10
                1. region b:1-302 [128856]
            30. 2uwt
                automatically matched to d2rcrm_
                complexed with bcl, bph, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region m:1-303 [152224]
            31. 1kby
                complexed with bcl, bph, cdl, cl, fe, spo, u10; mutant
                1. chain m [77330]
            32. 1dv3
                complexed with bcl, bph, cd, cl, fe2, lda, u10
                1. chain m [43477]
                2. chain s [43480]
            33. 1ds8
                complexed with bcl, bph, cd, cl, fe2, lda, u10
                1. chain m [43471]
                2. chain s [43474]
            34. 2hit
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdl, cl, fe, gol, k, lda, pev, pew, po4, u10
                1. region m:1-302 [136532]
            35. 2gmr
                automatically matched to d2rcrm_
                complexed with bcl, bph, fe2, lda, spn, u10; mutant
                1. region m:4-300 [135393]
            36. 1dv6
                complexed with bcl, bph, cl, fe2, lda, u10, zn
                1. chain m [43489]
                2. chain s [43492]
            37. 2uxm
                automatically matched to d2rcrm_
                complexed with bcl, bph, fe, gol, hto, lda, po4, spo, u10, uq2
                1. region m:1-303 [152309]
            38. 1fnq
                complexed with bcl, bph, fe, lda, po4, spo, u10; mutant
                1. chain m [59919]
            39. 1jgw
                complexed with bcl, bph, cdl, fe, spo, u10; mutant
                1. chain m [63021]
            40. 1rgn
                complexed with bcl, bph, fe, lda, po4, spo, u10
                1. chain m [97443]
            41. 1fnp
                complexed with bcl, bph, fe, lda, po4, spo, u10; mutant
                1. chain m [59915]
            42. 1aig
                complexed with bcl, bph, fe2, u10
                1. chain m [43483]
                2. chain o [43486]
            43. 2bnp
                automatically matched to d2rcrm_
                complexed with bcl, bh1, cl, fe2, mst, po4, u10
                1. region b:1-302 [128848]
            44. 1s00
                complexed with bcl, bph, fe2, lda, spo, u10; mutant
                1. chain m [98249]
                2. chain s [98251]
            45. 2hj6
                automatically matched to d2rcrm_
                complexed with bcl, bph, cdl, fe, gol, hto, k, lda, po4, ps2, u10
                1. region m:1-302 [136537]
            46. 1jgz
                complexed with bcl, bph, cdl, fe, spo, u10; mutant
                1. chain m [63033]
            47. 1rvj
                complexed with bcl, bph, cdl, fe2, lda, po4, spo, u10; mutant
                1. chain m [97927]
            48. 1e14
                complexed with bcl, bph, cdl, fe, lda, spn, u10; mutant
                1. chain m [43498]
            49. 2uxl
                automatically matched to d2rcrm_
                complexed with bcl, bph, fe, gol, hto, lda, spo, u10, uq2
                1. region m:1-303 [152307]
            50. 1jgy
                complexed with bcl, bph, cdl, fe, spo, u10; mutant
                1. chain m [63029]
            51. 1k6l
                complexed with bcl, bph, cdl, fe, lda, spn, u10
                1. chain m [72087]
            52. 1pcr
                complexed with bcl, bph, fe, lda, po4, spo, u10
                1. chain m [43495]
            53. 1k6n
                complexed with bcl, bph, cdl, fe, lda, spn, u10; mutant
                1. chain m [72091]
            54. 1jgx
                complexed with bcl, bph, fe, spo, u10; mutant
                1. chain m [63025]
            55. 1f6n
                complexed with bcl, bph, fe, lda, po4, spo, u10; mutant
                1. chain m [59661]
            56. 1umx
                complexed with bcl, bpb, fe, lda, po4, spn, u10; mutant
                1. chain m [107964]
            57. 2uws
                automatically matched to d2rcrm_
                complexed with bcl, bph, fe, gol, lda, po4, spo, u10, uq2
                1. region m:1-303 [152222]
            58. 1l9j
                complexed with bcl, bph, cl, fe2, hem, lda, u10
                1. chain m [73727]
                2. chain s [73729]
            59. 1jh0
                complexed with bcl, bph, fe, spo, u10; mutant
                1. chain m [63037]
            60. 1pst
                complexed with bcl, bph, crt, fe, u10; mutant
                1. chain m [43504]
            61. 1pss
                complexed with bcl, bph, crt, fe, u10
                1. chain m [43501]
            62. 2rcr
                complexed with bcl, bpa, fe, uq
                1. chain m [43507]
            63. 1yst
                complexed with bcl, bph, mn, spo, u10
                1. chain m [43510]
            64. 4rcr
                complexed with bcl, bog, bph, fe, u10
                1. chain m [43513]
            65. 1z9k
                automatically matched to d2rcrm_
                complexed with bcl, bph, fe, mn, u10
                1. region b:1-302 [124767]
         3. Thermochromatium tepidum [TaxId: 1050] [81480] (1)
            1. 1eys
               complexed with bcl, bgl, bph, crt, fe, hem, lda, mq8, pef
               1. chain m [43516]
      3. Photosystem II reaction center d2 protein PsbD2 [161051]
         1. Thermosynechococcus elongatus [TaxId: 146786] [161052] (1)
            SQ Q8CM25 13-352
            1. 2axt
               complexed with bcr, bct, ca, cla, dgd, fe2, hem, lhg, lmt, mge, oec, pho, pq9, sqd
               1. region d:13-352 [144929]
      4. Photosystem Q(B) protein 1, PsbA1 [161053]
         1. Thermosynechococcus elongatus [TaxId: 146786] [161054] (1)
            SQ P0A445 10-344
            1. 2axt
               complexed with bcr, bct, ca, cla, dgd, fe2, hem, lhg, lmt, mge, oec, pho, pq9, sqd
               1. region a:10-344 [144926]

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