Structural Classification of Proteins
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Fold: Cystatin-like

Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet

Lineage:

  1. Root: scop
  2. Class: Alpha and beta proteins (a+b) [53931]
    Mainly antiparallel beta sheets (segregated alpha and beta regions)
  3. Fold: Cystatin-like [54402]
    Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet

Superfamilies:

  1. Cystatin/monellin [54403] (6)
    has a additional strand at the N-terminus
    link to SUPERFAMILY database - Superfamily
    1. Monellin [54404] (1)
      1. Monellin, B & A chains together [54405]
        1. Serendipity berry (Dioscoreophyllum cumminsii) [TaxId: 3457] [54406] (12) picpic
    2. Cystatins [54407] (6)
      1. Phytocystatin [54408]
        1. Japanese rice (Oryza sativa), subsp. japonica, oryzacystatin-I [TaxId: 4530] [54409] (1) picpic
      2. Cystatin [54410]
        1. Chicken (Gallus gallus) [TaxId: 9031] [54411] (4) picpic
      3. Cystatin A (stefin A) [54412]
        1. Human (Homo sapiens) [TaxId: 9606] [54413] (9) picpic
      4. Cystatin B (stefin B) [54414]
        1. Human (Homo sapiens) [TaxId: 9606] [54415] (1) picpic
      5. Cystatin C [64231]
        1. Human (Homo sapiens) [TaxId: 9606] [64232] (4) picpic
          SQ P01034 37-146
      6. Cystatin D [110819]
        1. Human (Homo sapiens) [TaxId: 9606] [110820] (2) picpic
          SQ P28325 31-142
    3. Cathelicidin motif [82592] (1)
      cathelin-like domain
      1. Cathelicidin motif of protegrin-3 [82593]
        antimicrobial protein
        1. Pig (Sus scrofa) [TaxId: 9823] [82594] (5) picpic
    4. Staphopain B, prodomain [117846] (1)
      1. Staphopain B, prodomain [117847]
        includes additional beta-sheet subdomain, connecting the N-terminal cystatin-like domain to the catalytic domain/mature enzyme
        1. Staphylococcus aureus [TaxId: 1280] [117848] (1) picpic
          SQ Q70UQ9 41-393
    5. Latexin-like [142991] (1)
      Pfam 06907; duplication: consits of two domains of this fold
      1. Latexin [142992]
        1. Human (Homo sapiens) [TaxId: 9606] [142993] (4) picpic
          SQ Q9BS40 1-98! SQ Q9BS40 99-217
    6. PepSY-like [159955] (1)
      Pfam 03413; Peptidase propeptide and YPEB domain
      1. Uncharacterized protein YpmB [159956]
        duplication; consist of two similar domains
        1. Bacillus subtilis [TaxId: 1423] [159957] (2) picpic
          SQ P54396 34-98! SQ P54396 99-161
  2. Amine oxidase N-terminal region [54416] (1)
    link to SUPERFAMILY database - Superfamily
    1. Amine oxidase N-terminal region [54417] (5)
      duplication: contains two domains of this fold
      1. Copper amine oxidase, domains 1 and 2 [54418]
        1. Escherichia coli [TaxId: 562] [54419] (11) picpic
        2. Pea seedling (Pisum sativum) [TaxId: 3888] [54420] (2) picpic
          SQ Q43077
        3. Arthrobacter globiformis [TaxId: 1665] [54421] (91) picpic
          SQ P46881 9-628
        4. Yeast (Hansenula polymorpha) [TaxId: 4905] [54422] (26) picpic
      2. Lysyl oxidase PplO, domains 1 and 2 [102806]
        1. Yeast (Pichia pastoris) [TaxId: 4922] [102807] (4) picpic
          SQ Q96X16 43-777
  3. DsbC/DsbG N-terminal domain-like [54423] (1)
    link to SUPERFAMILY database - Superfamily
    1. DsbC/DsbG N-terminal domain-like [54424] (3)
      1. Disulfide bond isomerase, DsbC, N-terminal domain [54425]
        1. Escherichia coli [TaxId: 562] [54426] (7) picpic
          SQ P21892
        2. Haemophilus influenzae [TaxId: 727] [110821] (1) picpic
          SQ P45111 20-228
      2. Thiol:disulfide interchange protein DsbG, N-terminal domain [110822]
        1. Escherichia coli [TaxId: 562] [110823] (10) picpic
          SQ P77202
  4. NTF2-like [54427] (30)
    has a beta-alpha(2)-beta insertion after the main helix
    link to SUPERFAMILY database - Superfamily
    1. Scytalone dehydratase [54428] (1)
      1. Scytalone dehydratase [54429]
        1. Fungus (Magnaporthe grisea) [TaxId: 148305] [54430] (8) picpic
    2. NTF2-like [54431] (11)
      1. Nuclear transport factor-2 (NTF2) [54432]
        1. Rat (Rattus norvegicus) [TaxId: 10116] [54433] (10) picpic
          SQ P61972
        2. Human (Homo sapiens) [TaxId: 9606] [75373] (1) picpic
        3. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [75374] (2) picpic
        4. Cryptosporidium parvum [TaxId: 5807] [159958] (2) picpic
          SQ Q5CQI4 4-127
      2. NTF2-related export protein 1 (p15) [69675]
        1. Human (Homo sapiens) [TaxId: 9606] [69676] (2) picpic
      3. NTF2-like domain of Tip associating protein, TAP [69677]
        1. Human (Homo sapiens) [TaxId: 9606] [69678] (2) picpic
      4. NTF2-like domain of mRNA export factor MEX67 [89847]
        similar to the TAP domain; forms complex with MTR2 similar to the TAP-p15 complex
        1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [89848] (1) picpic
          Ypl169C
        2. Yeast (Candida albicans) [TaxId: 5476] [102808] (1) picpic
      5. mRNA transport regulator MTR2 [89849]
        similar to p15; forms complex with MEX67 similar to the TAP-p15 complex
        1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [89850] (1) picpic
          Ykl186C
        2. Yeast (Candida albicans) [TaxId: 5476] [102809] (2) picpic
      6. UBP3-associated protein BRE5 [159959]
        1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [159960] (4) picpic
          SQ P53741 1-141
    3. Association domain of calcium/calmodulin-dependent protein kinase type II alpha subunit, CAMK2A [89851] (3)
      1. Association domain of calcium/calmodulin-dependent protein kinase type II alpha subunit, CAMK2A [89852]
        1. Mouse (Mus musculus) [TaxId: 10090] [89853] (1) picpic
        2. Caenorhabditis elegans [TaxId: 6239] [159961] (7) picpic
          SQ Q9U6Q0 343-471
        3. Human (Homo sapiens) [TaxId: 9606] [159962] (6) picpic
          SQ Q8N4I3 387-521
    4. Limonene-1,2-epoxide hydrolase-like [89854] (2)
      1. Limonene-1,2-epoxide hydrolase [89855]
        1. Rhodococcus erythropolis [TaxId: 1833] [89856] (2) picpic
      2. Uncharacterized protein Mb2760 [159963]
        1. Mycobacterium tuberculosis [TaxId: 1773] [159964] (3) picpic
          SQ Q7TY00 13-144
    5. SnoaL-like polyketide cyclase [102810] (5)
      1. Nogalonic acid methyl ester cyclase SnoaL [102811]
        1. Streptomyces nogalater [TaxId: 38314] [102812] (1) picpic
      2. Aklanonic acid methyl ester cyclase, AknH [159965]
        1. Streptomyces galilaeus [TaxId: 33899] [159966] (8) picpic
          SQ O52646 2-141
      3. Nogalamycin biosynthesis protein SnoL [159967]
        1. Streptomyces nogalater [TaxId: 38314] [159968] (2) picpic
          SQ Q9RN64 2-139
      4. Putative hydroxylase AclR [159969]
        1. Streptomyces galilaeus [TaxId: 33899] [159970] (2) picpic
          SQ Q1XDX7 2-145
      5. Uncharacterized protein BPSS0132 [159971]
        1. Burkholderia pseudomallei [TaxId: 28450] [159972] (1) picpic
          SQ Q63P16 1-131
    6. PhzA/PhzB-like [102813] (4)
      1. Hypothetical protein YesE [102814]
        1. Bacillus subtilis [TaxId: 1423] [102815] (1) picpic
      2. Uncharacterized protein BTHI0051 [159973]
        1. Burkholderia thailandensis [TaxId: 57975] [159974] (2) picpic
          SQ Q2T2I4 10-139
      3. Uncharacterized protein Ava2261 [159975]
        1. Anabaena variabilis [TaxId: 1172] [159976] (2) picpic
          SQ Q3MAV7 1-133
      4. Uncharacterized protein PA3332 [159977]
        1. Pseudomonas aeruginosa [TaxId: 287] [159978] (1) picpic
          SQ Q9HYR3 1-129
    7. Ketosteroid isomerase-like [54434] (4)
      1. Delta-5-3-ketosteroid isomerase, steroid delta-isomerase, KSI [54435]
        1. Comamonas testosteroni, also known as Pseudomonas testosteroni [TaxId: 285] [54436] (14) picpic
        2. Pseudomonas putida [TaxId: 303] [54437] (23) picpic
          SQ P07445
      2. Hypothetical protein Rv0760c [142994]
        1. Mycobacterium tuberculosis [TaxId: 1773] [142995] (1) picpic
          SQ P71817 5-136
        2. Mycobacterium tuberculosis H37Rv [TaxId: 83332] [159979] (10) picpic
    8. Ring hydroxylating beta subunit [54438] (7)
      Pfam 00866
      1. Naphthalene 1,2-dioxygenase beta subunit [54439]
        1. Pseudomonas putida [TaxId: 303] [54440] (16) picpic
        2. Rhodococcus sp. ncimb12038 [TaxId: 92694] [142996] (6) picpic
          SQ Q7BSK6 6-172
      2. Biphenyl dioxygenase small subunit BphA2 [110824]
        1. Rhodococcus sp. (strain RHA1) [TaxId: 101510] [110825] (2) picpic
          SQ Q53123 11-187
      3. Small subunit of cumene dioxygenase CumA2 [142997]
        1. Pseudomonas fluorescens [TaxId: 294] [142998] (1) picpic
          SQ Q51744 6-186
      4. Nitrobenzene dioxygenase beta subunit, NBDO-beta [142999]
        1. Comamonas sp. JS765 [TaxId: 58226] [143000] (3) picpic
          SQ Q8RTL3 1-194
      5. Putative hydroxylase subunit Saro3860 [159980]
        1. Novosphingobium aromaticivorans [TaxId: 48935] [159981] (1) picpic
          SQ A4XDU4 6-162
      6. Benzoate 1,2-dioxygenase beta subunit BenB [159982]
        1. Burkholderia mallei [TaxId: 13373] [159983] (1) picpic
          SQ Q62E64 1-163
    9. Penicillin binding protein 2a (PBP2A), N-terminal domain [82595] (1)
      some sequence similarity to KSI
      1. Penicillin binding protein 2a (PBP2A), N-terminal domain [82596]
        1. Staphylococcus aureus [TaxId: 1280] [82597] (5) picpic
          SQ O54286 27-668
    10. Orange carotenoid protein, C-terminal domain [82598] (1)
      1. Orange carotenoid protein, C-terminal domain [82599]
        1. Cyanobacteria (Arthrospira maxima) [TaxId: 129910] [82600] (1) picpic
    11. Hypothetical protein egc068 from a soil-derived mobile gene cassette [110826] (1)
      1. Hypothetical protein egc068 from a soil-derived mobile gene cassette [110827]
        1. uncultured organism [TaxId: 155900] [110828] (1) picpic
          SQ Q99IU3
    12. PA1314-like [110829] (1)
      COG4460
      1. Hypothetical protein PA1314 [110830]
        1. Pseudomonas aeruginosa [TaxId: 287] [110831] (1) picpic
          SQ Q9I430
    13. TIM44-like [143001] (2)
      contains extra N-terminal helices but lacks the beta-hairpin in the superfamily-specific insertion
      1. Translocase of inner mitochondrial membrane TIMM44 (TIM44), C-terminal domain [143002]
        1. Human (Homo sapiens) [TaxId: 9606] [143003] (1) picpic
          SQ O43615 270-451
        2. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [159984] (1) picpic
          SQ Q01852 234-425
    14. Sbal0622-like [159985] (1)
      PfamB 002762
      1. Uncharacterized protein Sbal0622 [159986]
        1. Shewanella baltica [TaxId: 62322] [159987] (12) picpic
          SQ A3D088 3-126
    15. CHU142-like [159988] (1)
      single domain covered by PfamB 000743 in the N-terminal part and PfamB 000860 in the C-terminal part
      1. Uncharacterized protein CHU142 [159989]
        1. Cytophaga hutchinsonii [TaxId: 985] [159990] (4) picpic
          SQ Q11V67 1-122
    16. SO0125-like [159991] (2)
      PfamB 003666
      1. Uncharacterized protein Sfri1973 [159992]
        1. Shewanella frigidimarina [TaxId: 56812] [159993] (6) picpic
          SQ Q082J6 23-147
      2. Uncharacterized protein SO0125 [159994]
        1. Shewanella oneidensis [TaxId: 70863] [159995] (1) picpic
          SQ Q8EKG8 1-121
    17. SAV4671-like [159996] (1)
      PfamB 000442; uncertain annotation of some members as 3-dehydroquinate dehydratase
      1. Uncharacterized protein SAV4671 [159997]
        1. Streptomyces avermitilis [TaxId: 33903] [159998] (3) picpic
          SQ Q82EE4 5-157
    18. BxeB1374-like [159999] (2)
      similar dimer to KSI
      1. Uncharacterized protein ECA3500 [160000]
        1. Pectobacterium atrosepticum [TaxId: 29471] [160001] (4) picpic
          SQ Q6D1E8 1-127
      2. Hypothetical protein BxeB1374 [160002]
        1. Burkholderia xenovorans [TaxId: 36873] [160003] (2) picpic
          SQ Q13MU9 1-128
    19. Atu0744-like [160004] (1)
      PfamB 003773
      1. Uncharacterized protein Atu0744 [160005]
        1. Agrobacterium tumefaciens [TaxId: 358] [160006] (2) picpic
          SQ Q7D0S4 1-117
    20. Rpa4348-like [160007] (2)
      PfamB 000085
      1. Uncharacterized protein BxeB2092 [160008]
        1. Burkholderia xenovorans [TaxId: 36873] [160009] (1) picpic
          SQ Q13PU4 1-127
      2. Uncharacterized protein Rpa4348 [160010]
        1. Rhodopseudomonas palustris [TaxId: 1076] [160011] (1) picpic
          SQ Q6N1Q6 1-135
    21. Ava4193-like [160012] (1)
      PfamB 183524
      1. Uncharacterized protein Ava4193 [160013]
        1. Anabaena variabilis [TaxId: 1172] [160014] (4) picpic
          SQ Q3M5E4 2-129
    22. YybH-like [160015] (1)
      PfamB 052627
      1. Hypothetical protein YybH [160016]
        1. Bacillus subtilis [TaxId: 1423] [160017] (4) picpic
          SQ P37496 1-128
    23. PFL3262-like [160018] (1)
      Pfam 07080; DUF1348
      1. Hypothetical protein PFL3262 [160019]
        1. Pseudomonas fluorescens [TaxId: 294] [160020] (4) picpic
          SQ Q4KBL6 5-159
    24. Exig0174-like [160021] (1)
      PfamB 092483
      1. Uncharacterized protein Exig0174 [160022]
        1. Exiguobacterium sibiricum 255-15 [TaxId: 262543] [160023] (2) picpic
          SQ B1YHC8 5-122
    25. Rv3472-like [160024] (2)
      similar trimer to Scytalone dehydratase
      1. Uncharacterized protein NpunR3134 [160025]
        1. Nostoc punctiforme [TaxId: 272131] [160026] (3) picpic
          SQ B2IXS6 1-133
      2. Uncharacterized protein Rv3472 [160027]
        1. Mycobacterium tuberculosis [TaxId: 1773] [160028] (3) picpic
          SQ O06337 1-167
    26. VirB8-like [160029] (2)
      Pfam 04335
      1. Type IV secretion system protein VirB8 [160030]
        1. Agrobacterium tumefaciens [TaxId: 358] [160031] (2) picpic
          SQ P17798 92-231
        2. Brucella melitensis [TaxId: 29459] [160032] (5) picpic
          SQ Q7CEG3 97-235
    27. ECA1476-like [160033] (1)
      single domain covered by PfamB 006272 in the N-terminal part and PfamB 005262 in the C-terminal part
      1. Uncharacterized protein ECA1476 [160034]
        1. Pectobacterium atrosepticum [TaxId: 29471] [160035] (4) picpic
          SQ Q6D750 3-134
    28. BaiE/LinA-like [160036] (5)
      PfamB 000019; includes sequences of characterized enzymes BaiE and LinA
      1. Uncharacterized protein Saro2766 [160037]
        1. Novosphingobium aromaticivorans [TaxId: 48935] [160038] (1) picpic
          SQ Q2G4M1 2-160
      2. Uncharacterized protein Saro3722 [160039]
        1. Novosphingobium aromaticivorans [TaxId: 48935] [160040] (1) picpic
          SQ A4XF70 13-165
      3. Uncharacterized protein Saro1465 [160041]
        1. Novosphingobium aromaticivorans [TaxId: 48935] [160042] (2) picpic
          SQ Q2G8B5 1-149
      4. Uncharacterized protein NpunR1993 [160043]
        1. Nostoc punctiforme [TaxId: 272131] [160044] (1) picpic
          SQ B2J4W9 9-170
      5. Uncharacterized protein Saro3538 [160045]
        1. Novosphingobium aromaticivorans [TaxId: 48935] [160046] (6) picpic
          SQ A4XEN7 1-144
    29. Atu0742-like [160047] (1)
      PfamB 017405
      1. Uncharacterized protein Atu0742 [160048]
        1. Agrobacterium tumefaciens [TaxId: 358] [160049] (1) picpic
          SQ A9CJY7 1-123
    30. SEC-C associated NTF2-like domain [160050] (1)
      there is a C-terminal SEC-C motif, also there can be an additional SEC-C like motif at the N-terminus (there is only C-terminal motif in the new entry 2JQ5)
      1. Hypothetical protein Psyc2064 [160051]
        1. Psychrobacter arcticus [TaxId: 334543] [160052] (1) picpic
          SQ Q4FPZ7 46-158
  5. Uracil-DNA glycosylase inhibitor protein [54441] (1)
    has an additional strand at the C-terminus and a helix inserted after the first strand
    link to SUPERFAMILY database - Superfamily
    1. Uracil-DNA glycosylase inhibitor protein [54442] (2)
      1. Uracil-DNA glycosylase inhibitor protein [54443]
        1. Bacteriophage pbs1 [TaxId: 10683] [54444] (1) picpic
        2. Bacteriophage pbs2 [TaxId: 10684] [54445] (17) picpic
  6. Putative dsDNA mimic [102816] (1)
    elaborated with additional structures; some similarity to Uracil-DNA glycosylase (UGI) and Nuclease A (NuiA) inhibitors
    link to SUPERFAMILY database - Superfamily
    1. Putative dsDNA mimic [102817] (1)
      Pfam 04269, DUF440
      1. Hypothetical protein HI1450 [102818]
        putative dsDNA mimic
        1. Haemophilus influenzae [TaxId: 727] [102819] (1) picpic
  7. Pre-PUA domain [88802] (5)
    this domain is found in association with the PUA domain in the C-terminal region of Archaeosine tRNA-guanine transglycosylase and related stand-alone proteins
    link to SUPERFAMILY database - Superfamily
    1. Archaeosine tRNA-guanine transglycosylase, C2 domain [88803] (1)
      1. Archaeosine tRNA-guanine transglycosylase, C2 domain [88804]
        the second of the 3 additional C-terminal domains to the TGT-like domain, also includes "linker" C1 domain
        1. Archaeon Pyrococcus horikoshii [TaxId: 53953] [88805] (4) picpic
    2. Hypothetical protein Ta1423, N-terminal domain [102820] (1)
      1. Hypothetical protein Ta1423, N-terminal domain [102821]
        this protein is related to the C-terminal part (domains C2 and C3) of Archaeosine tRNA-guanine transglycosylase
        1. Archaeon Thermoplasma acidophilum [TaxId: 2303] [102822] (1) picpic
    3. Nip7p homolog, N-terminal domain [110832] (1)
      1. Nip7p homolog, N-terminal domain [110833]
        1. Human (Homo sapiens) [TaxId: 9606] [110834] (2) picpic
          SQ Q9Y221
    4. Hypothetical protein APE0525, N-terminal domain [143004] (1)
      1. Hypothetical protein APE0525, N-terminal domain [143005]
        1. Archaeon Aeropyrum pernix [TaxId: 56636] [143006] (3) picpic
          SQ Q9YEQ6 1-90
    5. AF0587 pre C-terminal domain-like [160053] (1)
      PfamB 006016
      1. Uncharacterized protein AF0587 [160054]
        1. Archaeoglobus fulgidus [TaxId: 2234] [160055] (1) picpic
          SQ O29668 394-459
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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