Structural Classification of Proteins

Superfamily: Family A G protein-coupled receptor-like

: uperfamily

Lineage:

Root: scop
Class: Membrane and cell surface proteins and peptides [56835]
Does not include proteins in the immune system
Fold: Family A G protein-coupled receptor-like [81322]
core: up-and-down bundle of seven transmembrane helices tilted 20 degrees with respect to the plane of the membrane
Superfamily: Family A G protein-coupled receptor-like [81321]
uperfamily

Families:

Bacteriorhodopsin-like [81319] (6)
1. Bacteriorhodopsin [56871]
  a light-driven proton pump
  1. Archaeon Halobacterium halobium [TaxId: 2242] [56872] (3)
    1. 1bm1
      complexed with dpg, ret
      1. chain a [43402]
    2. 2brd
      complexed with dpg, ret
      1. chain a [43403]
    3. 1brd
      complexed with ret
      1. chain a [43404]
  2. Archaeon Halobacterium salinarum [TaxId: 2242] [56873] (60)
    SQ P02945 17-245
    1. 1m0k
      K intermediate
      complexed with li1, ret, squ
      1. chain a [78344]
    2. 1m0l
      complexed with li1, ret, squ
      1. chain a [78345]
    3. 1m0m
      M1 intermediate
      complexed with li1, ret, squ
      1. chain a [78346]
    4. 2ntu
      automatically matched to d1cwqa_
      complexed with ret
      1. region a:8-231 [138595]
    5. 2ntw
      automatically matched to d1cwqa_
      complexed with ret
      1. region a:8-231 [138596]
    6. 1c3w
      complexed with li1, ret, squ
      1. chain a [43405]
    7. 1p8h
      complexed with li1, ret, squ
      1. chain a [87944]
    8. 1f50
      complexed with li1, ret, squ; mutant
      1. chain a [43406]
    9. 1kgb
      complexed with li1, ret
      1. chain a [68581]
    10. 1o0a
      L intermediate
      complexed with li1, ret, squ
      1. chain a [86526]
    11. 1pxr
      complexed with ret; mutant
      1. chain a [95297]
      2. chain b [95298]
    12. 1c8r
      complexed with li1, ret, squ; mutant
      1. chain a [43407]
    13. 1f4z
      complexed with li1, ret, squ; mutant
      1. chain a [43408]
    14. 1p8u
      complexed with li1, ret, squ; mutant
      1. chain a [87983]
    15. 1kg9
      a "mock-trapped" early-M intermediate
      complexed with li1, ret
      1. chain a [68580]
    16. 1py6
      complexed with ret
      1. chain a [95327]
      2. chain b [95328]
    17. 1p8i
      complexed with li1, ret, squ; mutant
      1. chain a [87945]
    18. 1qhj
      complexed with ph1, ret
      1. chain a [43409]
    19. 1mgy
      complexed with br, k, li1, ret; mutant
      1. chain a [84959]
    20. 1jv6
      complexed with li1, ret; mutant
      1. chain a [67346]
    21. 1kg8
      an early-M intermediate
      complexed with li1, ret
      1. chain a [68579]
    22. 1s53
      complexed with ret; mutant
      1. chain a [98521]
      2. chain b [98522]
    23. 1s51
      complexed with ret; mutant
      1. chain a [98517]
      2. chain b [98518]
    24. 1kme
      complexed with glc, ret, squ
      1. chain a [68692]
      2. chain b [68693]
    25. 1qkp
      complexed with ret
      1. chain a [43411]
    26. 1q5j
      complexed with ret; mutant
      1. chain a [95898]
      2. chain b [95899]
    27. 1xji
      automatically matched to d1cwqa_
      complexed with c14, cps, d10, d12, oct, ret
      1. region a:8-230 [122034]
    28. 1pxs
      complexed with ret; mutant
      1. chain a [95299]
      2. chain b [95300]
    29. 1s8j
      complexed with li1, no3, ret; mutant
      1. chain a [105372]
    30. 1s8l
      complexed with li1, ret; mutant
      1. chain a [105373]
    31. 1q5i
      complexed with ret; mutant
      1. chain a [95896]
      2. chain b [95897]
    32. 1jv7
      complexed with li1, ret; mutant
      1. chain a [67347]
    33. 1cwq
      M intermediate structure (A) superimposed on the ground state structure (B)
      complexed with hex, oct, ret, trd, und
      1. chain a [43412]
      2. chain b [43413]
    34. 1qko
      complexed with ret
      1. chain a [43414]
    35. 1s54
      complexed with ret; mutant
      1. chain a [98523]
      2. chain b [98524]
    36. 1e0p
      L intermediate
      complexed with ret
      1. chain a [43416]
      2. chain b [43417]
    37. 1s52
      complexed with ret; mutant
      1. chain a [98519]
      2. chain b [98520]
    38. 1c8s
      complexed with li1, ret, squ; mutant
      1. chain a [43410]
    39. 1tn0
      complexed with ret; mutant
      1. chain a [112523]
      2. chain b [112524]
    40. 1tn5
      complexed with ret; mutant
      1. chain a [112525]
      2. chain b [112526]
    41. 1x0i
      automatically matched to d1cwqa_
      complexed with l2p, l3p, ret, so4
      1. region 1:8-233 [121548]
    42. 1iw6
      ground state
      complexed with gal, glc, l2p, l3p, man, ret
      1. chain a [76865]
    43. 1vjm
      complexed with ret
      1. chain a [100824]
    44. 1iw9
      complexed with gal, glc, l2p, l3p, man, ret
      1. chain a [90711]
    45. 1brx
      complexed with ret
      1. chain a [43415]
    46. 1dze
      M intermediate trapped at 100K
      complexed with gal, glc, l1p, l2p, l3p, l4p, man, ret
      1. chain a [43419]
    47. 1x0s
      automatically matched to d1cwqa_
      complexed with gal, glc, l2p, l3p, man, ret, so4
      1. region a:8-231 [121572]
    48. 1ucq
      complexed with gal, glc, l2p, l3p, man, ret
      1. chain a [99187]
    49. 1x0k
      automatically matched to d1cwqa_
      complexed with gal, glc, l2p, l3p, man, ret
      1. region 1:8-231 [121549]
    50. 1qm8
      complexed with gal, glc, l1p, l2p, l3p, l4p, man, ret
      1. chain a [43420]
    51. 1ixf
      K intermediate
      complexed with gal, glc, l2p, l3p, man, ret
      1. chain a [76908]
    52. 1ap9
      complexed with ret
      1. chain a [43418]
    53. 1brr
      complexed with arc, gas, glc, man, oct, ret
      1. chain a [43421]
      2. chain b [43422]
      3. chain c [43423]
    54. 1fbb
      complexed with ret
      1. chain a [43425]
    55. 1fbk
      complexed with ret; mutant
      1. chain a [43426]
    56. 1at9
      complexed with ret
      1. chain a [43424]
    57. 1r84
      complexed with ret
      1. chain a [97218]
    58. 1r2n
      complexed with ret
      1. chain a [96873]
    59. 2at9
      complexed with 2dp, ret
      1. chain a [43427]
    60. 1l0m
      a solution structure
      mutant
      1. chain a [73402]
2. Archaerhodopsin-1 [90105]
  1. Archaeon Halobacterium sp. [TaxId: 2243] [90106] (1)
    1. 1uaz
      complexed with ret
      1. chain a [88392]
      2. chain b [88393]
3. Halorhodopsin [56874]
  a light-driven chloride pump
  1. Archaeon Halobacterium salinarum [TaxId: 2242] [56875] (1)
    1. 1e12
      complexed with cl, k, mpg, plm, ret; mutant
      1. chain a [43428]
4. Sensory rhodopsin II [64526]
  1. Archaeon Natronobacterium pharaonis [TaxId: 2257] [64527] (7)
    1. 1h2s
      complexed with bog, ret
      1. chain a [76578]
    2. 2f93
      automatically matched to d1h2sa_
      complexed with bog, ret
      1. region a:3-222 [133151]
    3. 1h68
      complexed with cl, ret
      1. region a:2-218 [118486]
    4. 2f95
      automatically matched to d1h2sa_
      complexed with bog, ret
      1. region a:3-222 [133152]
    5. 1gu8
      complexed with cl, ret
      1. chain a [70579]
      2. chain b [70580]
    6. 1gue
      complexed with cl, ret
      1. chain a [70581]
    7. 1jgj
      complexed with bog, ret
      1. chain a [62952]
5. Sensory rhodopsin [118224]
  1. Anabaena sp. PCC 7120 [TaxId: 103690] [118225] (1)
    SQ Q8YSC4 # alr3165
    1. 1xio
      complexed with pee, ret
      1. chain a [115359]
Rhodopsin-like [81320] (1)
Individual TM segments have a number of kinks and distortions
1. Rhodopsin [56876]
  1. Cow (Bos taurus) [TaxId: 9913] [56877] (12)
    SQ P02699
    1. 1u19
      complexed with ace, hg, htg, hto, man, nag, ply, ret, zn
      1. chain a [112953]
      2. chain b [112954]
    2. 1gzm
      complexed with ace, bma, c8e, lda, nag, pef, plm, ret, zn
      1. chain a [90533]
      2. chain b [90534]
    3. 2g87
      automatically matched to d1f88a_
      complexed with ace, bma, hg, htg, hto, man, nag, plm, ret, zn
      1. region a:1-348 [134767]
    4. 2g87
      automatically matched to d1f88a_
      complexed with ace, bma, hg, htg, hto, man, nag, plm, ret, zn
      1. region b:1-348 [134768]
    5. 1l9h
      complexed with ace, bng, hg, hto, man, nag, ply, ret, zn
      1. chain a [73720]
      2. chain b [73721]
    6. 1hzx
      complexed with ace, bng, hg, hto, man, nag, ply, ret, zn
      1. chain a [61466]
      2. chain b [61467]
    7. 1f88
      complexed with hg, man, nag, ret, zn
      1. chain a [43429]
      2. chain b [43430]
    8. 2hpy
      automatically matched to d1f88a_
      complexed with ace, bma, hg, htg, hto, man, nag, plm, ret, zn
      1. region a:1-348 [136653]
    9. 2hpy
      automatically matched to d1f88a_
      complexed with ace, bma, hg, htg, hto, man, nag, plm, ret, zn
      1. region b:1-348 [136654]
    10. 1tqk
      1. chain a [107234]
    11. 1ln6
      complexed with ret
      1. chain a [74044]
    12. 1jfp
      dark adapted
      complexed with ret
      1. chain a [66645]