Structural Classification of Proteins
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Superfamily: Kazal-type serine protease inhibitors

conserved core consists of a helix and a loop crosslinked with two disulfides
link to SUPERFAMILY database - Superfamily

Lineage:

  1. Root: scop
  2. Class: Small proteins [56992]
    Usually dominated by metal ligand, heme, and/or disulfide bridges
  3. Fold: Kazal-type serine protease inhibitors [100894]
  4. Superfamily: Kazal-type serine protease inhibitors [100895]
    conserved core consists of a helix and a loop crosslinked with two disulfides
    link to SUPERFAMILY database - Superfamily

Families:

  1. Ovomucoid domain III-like [57468] (14)
    1. Ovomucoid domains [57469]
      unless specified in the comment, the listed structures are of domain III
      1. Turkey (Meleagris gallopavo) [TaxId: 9103] [57470] (39)
        1. 1r0r picpicxref
          complexed with ca
          1. chain i [96736] picpiclink
        2. 2gkr picpic
          automatically matched to d1omt__
          complexed with cl
          1. region i:6-56 [135334] picpiclink
        3. 1sgp picpicxref
          complexed with po4; mutant
          1. chain i [44678] picpiclink
        4. 1yu6 picpicxrefxref
          automatically matched to d1omt__
          complexed with ca
          1. region c:6-56 [124042] picpiclink
        5. 1yu6 picpicxrefxref
          automatically matched to d1omt__
          complexed with ca
          1. region d:7-56 [124043] picpiclink
        6. 1ct4 picpicxref
          1. chain i [44681] picpiclink
        7. 1ct2 picpicxref
          1. chain i [44683] picpiclink
        8. 2nu2 picpicxref
          mutant
          1. region i:6-56 [145697] picpiclink
        9. 1ds3 picpic
          complexed with 2lu; mutant
          1. chain i [44685] picpiclink
        10. 2sgf picpicxref
          complexed with po4; mutant
          1. chain i [100862] picpiclink
        11. 2nu4 picpicxref
          automatically matched to d1hjai_
          mutant
          1. region i:6-56 [138603] picpiclink
        12. 2nu3 picpicxref
          automatically matched to d1hjai_
          mutant
          1. region i:6-56 [138601] picpiclink
        13. 3sgb picpicxref
          1. chain i [44679] picpiclink
        14. 1ds2 picpicxref
          complexed with 1lu; mutant
          1. chain i [44687] picpiclink
        15. 2sgq picpicxref
          complexed with po4; mutant
          1. chain i [100864] picpiclink
        16. 2nu1 picpicxref
          mutant
          1. region i:6-56 [145696] picpiclink
        17. 1ct0 picpicxref
          1. chain i [44688] picpiclink
        18. 1sgr picpicxref
          complexed with po4; mutant
          1. chain i [44680] picpiclink
        19. 1sgd picpicxref
          complexed with po4; mutant
          1. chain i [98852] picpiclink
        20. 1sge picpicxref
          complexed with po4; mutant
          1. chain i [98854] picpiclink
        21. 1sgy picpicxref
          complexed with po4; mutant
          1. chain i [98871] picpiclink
        22. 1sgn picpicxref
          complexed with po4; mutant
          1. chain i [98856] picpiclink
        23. 2nu0 picpicxref
          mutant
          1. region i:6-56 [145695] picpiclink
        24. 1ppf picpicxref
          complexed with fuc, glc, man, nag
          1. chain i [44684] picpiclink
        25. 1sgq picpicxref
          complexed with po4; mutant
          1. chain i [44682] picpiclink
        26. 1z7k picpicxref
          automatically matched to d1r0tb_
          complexed with nag
          1. region b:2-63 [124631] picpiclink
        27. 3sgq picpicxref
          complexed with po4; mutant
          1. chain i [100870] picpiclink
        28. 2sge picpicxref
          complexed with k, po4; mutant
          1. chain i [100860] picpiclink
        29. 1cso picpicxref
          1. chain i [44690] picpiclink
        30. 2sgp picpicxref
          complexed with po4; mutant
          1. chain i [44689] picpiclink
        31. 1cho picpicxref
          1. chain i [44686] picpiclink
        32. 2sgd picpicxref
          complexed with k, po4; mutant
          1. chain i [100858] picpiclink
        33. 1hja picpicxref
          mutant
          1. chain i [44691] picpiclink
        34. 1tur picpic
          1. chain a [44692] picpiclink
        35. 1omt picpic
          1. chain a [44694] picpiclink
        36. 1m8b picpic
          mutant
          1. chain a [78768] picpiclink
        37. 1omu picpic
          1. chain a [44693] picpiclink
        38. 1m8c picpic
          mutant
          1. chain a [78769] picpiclink
        39. 1tus picpic
          1. chain a [44695] picpiclink
      2. Japanese quail (Coturnix coturnix japonica) [TaxId: 93934] [57471] (2)
        1. 3ovo picpic
          1. chain a [44696] picpiclink
        2. 1ovo picpic
          1. chain a [44697] picpiclink
          2. chain b [44698] picpiclink
          3. chain c [44699] picpiclink
          4. chain d [44700] picpiclink
      3. Silver pheasant (Lophura nycthemera) [TaxId: 9046] [57472] (4)
        1. 2ovo picpic
          1. chain a [44701] picpiclink
        2. 4ovo picpic
          1. chain a [44702] picpiclink
        3. 1iy5 picpic
          1. chain a [83772] picpiclink
        4. 1iy6 picpic
          mutant
          1. chain a [83773] picpiclink
    2. Secretory trypsin inhibitor [57473]
      1. Human (Homo sapiens) [TaxId: 9606] [57474] (3)
        1. 1hpt picpic
          1. chain a [44703] picpiclink
        2. 1cgj picpicxref
          1. chain i [44705] picpiclink
        3. 1cgi picpicxref
          1. chain i [44704] picpiclink
      2. Pig (Sus scrofa) [TaxId: 9823] [57475] (1)
        1. 1tgs picpicxref
          complexed with ca, so4
          1. chain i [44706] picpiclink
    3. Blood-sucking insect-derived tryptase inhibitor [57476]
      duplication: contains two domains of this fold
      1. Bug (Rhodnius prolixus), rhodniin [TaxId: 13249] [57477] (2)
        1. 1tbr picpicxref
          1. region r:1-51 [44707] picpiclink
          2. region r:52-103 [44708] picpiclink
          3. region s:1-51 [44709] picpiclink
          4. region s:52-103 [44710] picpiclink
        2. 1tbq picpicxref
          1. region r:1-51 [44711] picpiclink
          2. region r:52-103 [44712] picpiclink
          3. region s:1-51 [44713] picpiclink
          4. region s:52-103 [44714] picpiclink
      2. Triatoma infestans [TaxId: 30076] [161138] (2)
        SQ Q95P16 170-222! SQ Q95P16 5-50
        infestin
        1. 2erw picpic
          infestin 4
          1. region a:4-56 [146989] picpiclink
        2. 2f3c picpicxref
          infestin 1
          complexed with ca, so4
          1. region i:5-50 [145130] picpiclink
    4. Dipetalin [75676]
      1. Dipetalogaster maximus, dipetalin [TaxId: 72496] [75677] (1)
        1. 1kma picpic
          Domain I only
          1. chain a [72743] picpiclink
    5. Domain of BM-40/SPARC/osteonectin [57478]
      the C-terminal part of FS module
      1. Human (Homo sapiens) [TaxId: 9606] [57479] (2)
        1. 1nub picpicxrefxref
          complexed with ca, nag; mutant
          1. region a:78-135 [44715] picpiclink
          2. region b:78-135 [44716] picpiclink
        2. 1bmo picpicxrefxref
          complexed with ca, nag
          1. region a:78-135 [44717] picpiclink
          2. region b:78-135 [44718] picpiclink
    6. Domain of follistatin [90166]
      the C-terminal part of the heparin-binding module, FS1
      1. Rat (Rattus norvegicus) [TaxId: 10116] [90167] (3)
        1. 1lr7 picpicxref
          complexed with so4
          1. region a:89-136 [84680] picpiclink
        2. 1lr8 picpicxref
          complexed with ihs
          1. region a:89-136 [84682] picpiclink
        3. 1lr9 picpicxref
          1. region a:89-136 [84684] picpiclink
    7. Seminal plasma inhibitor IIa [57480]
      1. Cow (Bos taurus) [TaxId: 9913] [57481] (2)
        1. 2bus picpic
          1. chain a [44719] picpiclink
        2. 1bus picpic
          1. chain a [44720] picpiclink
    8. PEC-60 peptide [57482]
      1. Pig (Sus scrofa) [TaxId: 9823] [57483] (1)
        1. 1pce picpic
          1. chain a [44721] picpiclink
    9. Leech derived tryptase inhibitor (LDTI-C) [57484]
      1. Medicinal leech (Hirudo medicinalis) [TaxId: 6421] [57485] (2)
        1. 1ldt picpicxref
          complexed with ca
          1. chain l [44722] picpiclink
        2. 1an1 picpicxref
          complexed with ca; mutant
          1. chain i [44723] picpiclink
    10. Ascidian trypsin inhibitor [75678]
      1. Sea squirt (Halocynthia roretzi) [TaxId: 7729] [75679] (1)
        1. 1iw4 picpic
          1. chain a [71469] picpiclink
  2. Serine proteinase inhibitor lekti [69960] (1)
    1. Serine proteinase inhibitor lekti [69961]
      kazal-type 5 serine protease inhibitor; consists of several similar domains
      1. Human (Homo sapiens) [TaxId: 9606] [69962] (3)
        SQ Q9NQ38 28-77
        1. 1h0z picpic
          domain 6
          1. chain a [83445] picpiclink
        2. 1hdl picpic
          domain 1
          1. chain a [65808] picpiclink
        3. 1uuc picpic
          chimeric lekti-domain
          mutant
          1. chain a [108045] 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