Structural Classification of Proteins

Superfamily: Snake toxin-like

: uperfamily

Lineage:

Root: scop
Class: Small proteins [56992]
Usually dominated by metal ligand, heme, and/or disulfide bridges
Fold: Snake toxin-like [57301]
disulfide-rich fold: nearly all-beta
Superfamily: Snake toxin-like [57302]
uperfamily

Families:

Snake venom toxins [57303] (36)
1. Erabutoxin B (also neurotoxin B) [57304]
  1. Sea snake (Laticauda semifasciata) [TaxId: 8631] [57305] (7)
    1. 3ebx
      complexed with so4
      1. chain a [44389]
    2. 1qkd
      1. chain a [44390]
      2. chain b [44391]
    3. 1qke
      complexed with so4
      1. chain a [44392]
    4. 6ebx
      complexed with scn
      1. chain a [44393]
      2. chain b [44394]
    5. 1nxb
      1. chain a [44395]
    6. 1era
      1. chain a [44397]
    7. 1fra
      1. chain a [44396]
2. gamma-Cardiotoxin [57306]
  1. Snake (Naja nigricollis) [TaxId: 8654] [57307] (3)
    1. 1tgx
      complexed with cl
      1. chain a [44398]
      2. chain b [44399]
      3. chain c [44400]
    2. 1cxn
      1. chain a [44401]
    3. 1cxo
      1. chain a [44402]
3. Fasciculin [57308]
  different isoforms
  1. Green mamba (Dendroaspis angusticeps) [TaxId: 8618] [57309] (8)
    1. 1fas
      1. chain a [44403]
    2. 1fsc
      complexed with o s
      1. chain a [44404]
    3. 1ku6
      complexed with edo, nag
      1. chain b [91038]
    4. 1f8u
      complexed with nag; mutant
      1. chain b [44406]
    5. 1b41
      complexed with fuc, nag; mutant
      1. chain b [44409]
    6. 1fss
      complexed with nag, zn
      1. chain b [44408]
    7. 1mah
      complexed with nag
      1. chain f [44407]
    8. 1qm7
      engineered chimera with alpha-toxin
      1. chain a [44405]
4. Muscarinic toxin [90152]
  acetylcholine receptor binding protein
  1. Green mamba (Dendroaspis angusticeps) [TaxId: 8618] [90153] (1)
    1. 1ff4
      complexed with sul
      1. chain a [83251]
5. Erabutoxin A [57310]
  1. Broad-banded blue sea snake (Laticauda semifasciata) [TaxId: 8631] [57311] (3)
    1. 3era
      complexed with scn; mutant
      1. chain a [44410]
      2. chain b [44411]
    2. 2era
      mutant
      1. chain a [44412]
    3. 5ebx
      complexed with so4
      1. chain a [44413]
6. Neurotoxin I [57312]
  1. Snake (Naja naja oxiana) [TaxId: 8657] [57313] (2)
    SQ P01382
    1. 1ntn
      1. chain a [44414]
    2. 1w6b
      1. chain a [114268]
7. Cardiotoxin V4II (Toxin III) [57314]
  1. Naja mossambica mossambica [TaxId: 196380] [57315] (1)
    1. 1cdt
      complexed with po4
      1. chain a [44415]
      2. chain b [44416]
8. Cardiotoxin V [57316]
  1. Taiwan cobra (Naja naja atra) [TaxId: 8656] [57317] (2)
    1. 1kxi
      1. chain a [44417]
      2. chain b [44418]
    2. 1cvo
      1. chain a [44419]
9. alpha-Cobratoxin [57318]
  1. Cobra (Naja siamensis) [TaxId: 84476] [57319] (7)
    1. 2ctx
      1. chain a [44420]
    2. 1ctx
      1. chain a [44421]
    3. 1yi5
      automatically matched to d1ctx__
      1. region f:1-68 [123261]
    4. 1yi5
      automatically matched to d1ctx__
      1. region g:1-68 [123262]
    5. 1yi5
      automatically matched to d1ctx__
      1. region h:1-68 [123263]
    6. 1yi5
      automatically matched to d1ctx__
      1. region i:1-67 [123264]
    7. 1yi5
      automatically matched to d1ctx__
      1. region j:1-68 [123265]
  2. Monocled cobra (Naja naja kaouthia) [TaxId: 8649] [82899] (2)
    identical sequence to the Naja naja siamensis toxin
    1. 1lxg
      complexed to a cognate peptide, chain B
      1. chain a [78294]
    2. 1lxh
      complexed to a cognate peptide, chain B
      1. chain a [78295]
10. Long neurotoxin 1 (component LSIII) [57320]
  1. Sea snake (Laticauda semifasciata) [TaxId: 8631] [57321] (1)
    1. 1lsi
      1. chain a [44422]
11. FS2 toxin [57322]
  1. Black mamba (Dendroaspis polylepis polylepis) [TaxId: 8620] [57323] (1)
    1. 1tfs
      1. chain a [44423]
12. Bungarotoxin [57324]
  1. Many-banded krait (Bungarus multicinctus), Alpha-bungarotoxin [TaxId: 8616] [57325] (22)
    1. 1hc9
      complexed with high affinity peptide
      complexed with ido
      1. chain a [65786]
      2. chain b [65787]
    2. 2qc1
      automatically matched to d1hc9a_
      complexed with man, nag; mutant
      1. region a:1-74 [150650]
    3. 2abx
      1. chain a [44424]
      2. chain b [44425]
    4. 1kfh
      1. chain a [72412]
    5. 1ikc
      complexed with a mimotope of the nicotinic acetylcholine receptor, chain B
      1. chain a [62526]
    6. 1abt
      1. chain a [44426]
    7. 1jbd
      complexed with a mimotope of the nicotinic acetylcholine receptor, chain B
      1. chain a [62844]
    8. 1haj
      complexed with a high affinity 13-mer peptide
      1. chain a [60878]
    9. 1ljz
      complexed with an ACHR peptide, chain B
      1. chain a [73947]
    10. 1haa
      complexed with a high affinity 13-mer peptide
      1. chain a [60877]
    11. 1idi
      1. chain a [62298]
    12. 1bxp
      1. chain a [44428]
    13. 1hoy
      complexed with a mimotope of the nicotinic acetylcholine receptor, chain B
      1. chain a [44429]
    14. 1kc4
      complex with the principal binding sequence on the alpha7 subunit of a neuronal nicotinic acetylcholine receptor, chain B
      1. chain a [72293]
    15. 2btx
      1. chain a [44430]
    16. 1idh
      complexed to an 18mer cognate peptide
      1. chain a [62297]
    17. 1idl
      1. chain a [62299]
    18. 1rgj
      complexed with a mimotope of the nicotinic acetylcholine receptor, chain B
      1. chain a [97439]
    19. 1l4w
      complexed with an ACHR peptide, chain B
      1. chain a [73570]
    20. 1idg
      complexed to an 18mer cognate peptide
      1. chain a [62296]
    21. 1kl8
      complex with the principal binding sequence on the alpha7 subunit of a neuronal nicotinic acetylcholine receptor, chain B
      1. chain a [72680]
    22. 1ik8
      1. chain a [62525]
  2. Many-banded krait (Bungarus multicinctus), kappa-bungarotoxin [TaxId: 8616] [57326] (1)
    1. 1kba
      1. chain a [44431]
      2. chain b [44432]
  3. Many-banded krait (Bungarus multicinctus), neuronal bungarotoxin [TaxId: 8616] [57327] (1)
    1. 2nbt
      1. chain a [44433]
      2. chain b [44434]
  4. Many-banded krait (Bungarus multicinctus), gamma-bungarotoxin [TaxId: 8616] [111403] (1)
    SQ Q9YGJ0 22-89
    1. 1mr6
      1. chain a [103847]
13. Bucandin [57328]
  1. Malayan krait (Bungarus candidus) [TaxId: 92438] [57329] (2)
    1. 1f94
      1. chain a [44435]
    2. 1ijc
      1. chain a [66154]
14. Cardiotoxin CTXI [57330]
  1. Taiwan cobra (Naja naja atra) [TaxId: 8656] [57331] (1)
    1. 2cdx
      1. chain a [44436]
15. Cardiotoxin CTX IIB [57332]
  1. Naja mossambica mossambica [TaxId: 196380] [57333] (1)
    1. 2ccx
      1. chain a [44437]
16. Cardiotoxin II [57334]
  1. Taiwan cobra (Naja naja atra) [TaxId: 8656] [57335] (3)
    1. 1chv
      1. chain s [44438]
    2. 1crf
      1. chain a [44439]
    3. 1cre
      1. chain a [44440]
  2. Central asian cobra (Naja naja oxiana) [TaxId: 8657] [57336] (3)
    1. 1cb9
      1. chain a [44442]
    2. 1ccq
      1. chain a [44443]
    3. 1ffj
      solution structure in dpc-micelle
      1. chain a [44441]
17. Cardiotoxin III [57337]
  1. Taiwan cobra (Naja naja atra) [TaxId: 8656] [57338] (7)
    SQ P60301 22-81
    1. 1h0j
      complexed with sds
      1. chain a [83432]
      2. chain b [83433]
      3. chain c [83434]
    2. 2bhi
      automatically matched to d1h0ja_
      complexed with c10, sft
      1. region a:1-60 [128531]
    3. 2bhi
      automatically matched to d1h0ja_
      complexed with c10, sft
      1. region b:1-60 [128532]
    4. 1xt3
      complexed with cit, idu, sgn
      1. chain a [116010]
      2. chain b [116011]
    5. 1i02
      1. chain a [44444]
    6. 2crs
      1. chain a [44445]
    7. 2crt
      1. chain a [44446]
18. Cardiotoxin IV [57339]
  1. Taiwan cobra (Naja naja atra) [TaxId: 8656] [57340] (2)
    1. 1kbs
      1. chain a [44447]
    2. 1kbt
      1. chain a [44448]
19. Cobrotoxin II (ct2) [57341]
  1. Taiwan cobra (Naja naja atra) [TaxId: 8656] [57342] (3)
    SQ P60770 22-83
    1. 1v6p
      complexed with cl, cu, eoh, na
      1. chain a [113548]
      2. chain b [113549]
    2. 1coe
      1. chain a [44450]
    3. 1cod
      1. chain a [44449]
  2. Monocled cobra (Naja kaouthia) [TaxId: 8649] [57343] (1)
    1. 1g6m
      1. chain a [44451]
20. alpha-Toxin [57344]
  1. Spitting cobra (Naja nigricollis) [TaxId: 8654] [57345] (2)
    1. 1iq9
      complexed with so4
      1. chain a [90669]
    2. 1nea
      1. chain a [44452]
  2. Black mamba (Dendroaspis polylepis polylepis) [TaxId: 8620] [57346] (1)
    1. 1ntx
      1. chain a [44453]
21. Neurotoxin II (Nt2, cobrotoxin B) [57347]
  1. Central asian cobra (Naja naja oxiana) [TaxId: 8657] [57348] (1)
    1. 1nor
      1. chain a [44454]
  2. Monocled cobra (Naja kaouthia) [TaxId: 8649] [64550] (1)
    1. 1je9
      1. chain a [62911]
  3. Chinese cobra (Naja atra) [TaxId: 8656] [103569] (2)
    SQ P80958 22-82
    1. 1vb0
      complexed with so4, trs
      1. chain a [113601]
    2. 1onj
      complexed with so4
      1. chain a [93358]
22. Toxin B (long neurotoxin) [57349]
  1. King cobra (Ophiophagus hannah) [TaxId: 8665] [57350] (2)
    1. 1txb
      1. chain a [44455]
    2. 1txa
      1. chain a [44456]
23. Candoxin [69949]
  1. Malayan krait (Bungarus candidus) [TaxId: 92438] [69950] (1)
    1. 1jgk
      1. chain a [66678]
24. Bucain [111404]
  1. Malaysian krait (Bungarus candidus) [TaxId: 92438] [111405] (3)
    SQ P83346
    1. 2h8u
      automatically matched to d1vyca_
      1. region a:1-65 [136246]
    2. 2h8u
      automatically matched to d1vyca_
      1. region b:1-65 [136247]
    3. 1vyc
      1. chain a [108899]
25. Irditoxin subunit A [144103]
  1. Brown tree snake (Boiga irregularis) [TaxId: 92519] [144104] (1)
    SQ A0S864 35-109
    1. 2h7z
      1. region a:1-75 [136231]
26. Irditoxin subunit B [144105]
  1. Brown tree snake (Boiga irregularis) [TaxId: 92519] [144106] (1)
    SQ A0S865 35-111
    1. 2h7z
      1. region b:1-77 [136232]
27. Denmotoxin [144107]
  1. Mangrove snake (Boiga dendrophila) [TaxId: 46286] [144108] (2)
    SQ Q06ZW0 33-111
    1. 2h5f
      complexed with k, na, po4
      1. region a:3-77 [136147]
    2. 2h5f
      automatically matched to 2H5F A:3-77
      complexed with k, na, po4
      1. region b:4-77 [136148]
Dendroaspin [57351] (1)
1. Dendroaspin [57352]
  lacks neurotoxicity; acts as the disintegrins: contains RGD-motif
  1. Dendroaspis jamesoni kaimosae [TaxId: 8619] [57353] (1)
    1. 1drs
      1. chain a [44457]
Extracellular domain of cell surface receptors [57354] (9)
1. CD59 [57355]
  1. Human (Homo sapiens) [TaxId: 9606] [57356] (10)
    1. 2j8b
      automatically matched to d1cdqa_
      1. region a:1-77 [147908]
    2. 2uwr
      automatically matched to d1cdqa_
      1. region a:1-77 [152220]
    3. 2ux2
      automatically matched to d1cdqa_
      1. region a:1-77 [152249]
    4. 2ux2
      automatically matched to d1cdqa_
      1. region b:1-77 [152250]
    5. 2ux2
      automatically matched to d1cdqa_
      1. region c:1-77 [152251]
    6. 1erh
      CA-atoms only
      1. chain a [44458]
    7. 1cds
      complexed with nag
      1. chain a [44461]
    8. 1cdq
      1. chain a [44459]
    9. 1cdr
      complexed with fuc, nag
      1. chain a [44460]
    10. 1erg
      1. chain a [44462]
2. Type II activin receptor [57357]
  1. Mouse (Mus musculus) [TaxId: 10090] [57358] (4)
    1. 1bte
      complexed with nag
      1. chain a [44463]
      2. chain b [44464]
    2. 2goo
      automatically matched to d1btea_
      complexed with ndg
      1. region c:8-99 [135443]
    3. 2goo
      automatically matched to d1btea_
      complexed with ndg
      1. region f:8-99 [135446]
    4. 1lx5
      complexed with BMP7
      complexed with man, nag
      1. chain b [84733]
  2. Rat (Rattus norvegicus) [TaxId: 10116] [90154] (2)
    1. 1nys
      complexed with activin A
      1. chain a [86413]
      2. chain c [86415]
    2. 1nyu
      complexed with activin A
      1. chain a [86425]
      2. chain c [86427]
  3. Mouse (Mus musculus), isoform IIB [TaxId: 10090] [111406] (3)
    SQ P27040 23-120; 100% sequence identity to the rat domain of the same type IIb (scop_sp 90154)
    1. 2h62
      automatically matched to d1s4yc_
      1. region d:8-98 [136180]
    2. 2h64
      automatically matched to d1s4yc_
      mutant
      1. region c:8-99 [136182]
    3. 1s4y
      Structural genomics target
      1. chain a [105256]
      2. chain c [105258]
3. BMP receptor Ia ectodomain [57359]
  1. Human (Homo sapiens) [TaxId: 9606] [57360] (6)
    1. 2h62
      automatically matched to d1es7d_
      1. region c:34-117 [136179]
    2. 2h64
      automatically matched to d1es7d_
      mutant
      1. region b:34-118 [136181]
    3. 1rew
      1. chain c [97336]
      2. chain d [97337]
    4. 2goo
      automatically matched to d1es7d_
      complexed with ndg
      1. region b:34-118 [135442]
    5. 2goo
      automatically matched to d1es7d_
      complexed with ndg
      1. region e:34-118 [135445]
    6. 1es7
      1. chain b [44465]
      2. chain d [44466]
4. TGF-beta type II receptor extracellular domain [69951]
  elaborated with additional structures resulting in a beta-sandwich fold
  1. Human (Homo sapiens) [TaxId: 9606] [69952] (4)
    1. 1m9z
      complexed with cry; mutant
      1. chain a [78881]
    2. 1ktz
      complex with tgf-beta3
      1. chain b [68868]
    3. 2pjy
      automatically matched to d1ploa_
      mutant
      1. region b:19-126 [149584]
    4. 1plo
      mutant
      1. chain a [94886]
  2. Chicken (Gallus gallus) [TaxId: 9031] [82900] (1)
    1. 1ks6
      1. chain a [77517]
5. Urokinase plasminogen activator surface receptor uPAR [161128]
  duplication: tandem repeat of three similar domains; the N-terminal and C-terminal domains belong to Pfam 00021; uPAR/Ly6
  1. Human (Homo sapiens) [TaxId: 9606] [161129] (12)
    SQ Q03405 109-209! SQ Q03405 210-299! SQ Q03405 23-108
    1. 2i9b
      complexed with bma, nag, so4; mutant
      1. region e:188-277 [145508]
    2. 2i9b
      complexed with bma, nag, so4; mutant
      1. region e:1-86 [145509]
    3. 2i9b
      complexed with bma, nag, so4; mutant
      1. region e:87-187 [145510]
    4. 2i9b
      automatically matched to 2I9B E:188-277
      complexed with bma, nag, so4; mutant
      1. region f:188-277 [145511]
    5. 2i9b
      automatically matched to 2I9B E:1-86
      complexed with bma, nag, so4; mutant
      1. region f:1-86 [145512]
    6. 2i9b
      automatically matched to 2I9B E:87-187
      complexed with bma, nag, so4; mutant
      1. region f:87-187 [145513]
    7. 2i9b
      automatically matched to 2I9B E:188-277
      complexed with bma, nag, so4; mutant
      1. region g:188-277 [145514]
    8. 2i9b
      automatically matched to 2I9B E:1-86
      complexed with bma, nag, so4; mutant
      1. region g:1-82 [145515]
    9. 2i9b
      automatically matched to 2I9B E:87-187
      complexed with bma, nag, so4; mutant
      1. region g:94-187 [145516]
    10. 2i9b
      automatically matched to 2I9B E:188-277
      complexed with bma, nag, so4; mutant
      1. region h:188-277 [145517]
    11. 2i9b
      automatically matched to 2I9B E:1-86
      complexed with bma, nag, so4; mutant
      1. region h:1-82 [145518]
    12. 2i9b
      automatically matched to 2I9B E:87-187
      complexed with bma, nag, so4; mutant
      1. region h:94-187 [145519]
6. Urokinase plasminogen activator surface receptor, UPAR [161130]
  duplication; comprises three domains of this fold
  1. Human (Homo sapiens) [TaxId: 9606] [161131] (33)
    SQ Q03405 111-210! SQ Q03405 114-210! SQ Q03405 211-297! SQ Q03405 211-301! SQ Q03405 23-102! SQ Q03405 23-104
    1. 2fd6
      complexed with edo, etx, fuc, nag, pg4, pge, so4
      1. region u:1-80 [145159]
    2. 2fd6
      complexed with edo, etx, fuc, nag, pg4, pge, so4
      1. region u:189-275 [145160]
    3. 2fd6
      complexed with edo, etx, fuc, nag, pg4, pge, so4
      1. region u:92-188 [145161]
    4. 3bt2
      automatically matched to 2FD6 U:1-80
      complexed with nag
      1. region u:1-80 [155547]
    5. 3bt2
      automatically matched to 2FD6 U:189-275
      complexed with nag
      1. region u:189-275 [155548]
    6. 3bt2
      automatically matched to 2FD6 U:92-188
      complexed with nag
      1. region u:92-188 [155549]
    7. 1ywh
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region a:89-188 [145925]
    8. 1ywh
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region a:1-82 [145926]
    9. 1ywh
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region a:189-279 [145927]
    10. 1ywh
      automatically matched to 1YWH A:89-188
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region c:91-188 [145928]
    11. 1ywh
      automatically matched to 1YWH A:1-82
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region c:1-80 [145929]
    12. 1ywh
      automatically matched to 1YWH A:189-279
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region c:189-275 [145930]
    13. 1ywh
      automatically matched to 1YWH A:89-188
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region e:89-188 [145931]
    14. 1ywh
      automatically matched to 1YWH A:1-82
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region e:1-79 [145932]
    15. 1ywh
      automatically matched to 1YWH A:189-279
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region e:189-278 [145933]
    16. 1ywh
      automatically matched to 1YWH A:89-188
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region g:92-188 [145934]
    17. 1ywh
      automatically matched to 1YWH A:1-82
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region g:1-79 [145935]
    18. 1ywh
      automatically matched to 1YWH A:189-279
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region g:189-276 [145936]
    19. 1ywh
      automatically matched to 1YWH A:89-188
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region i:92-188 [145937]
    20. 1ywh
      automatically matched to 1YWH A:1-82
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region i:1-82 [145938]
    21. 1ywh
      automatically matched to 1YWH A:189-279
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region i:189-275 [145939]
    22. 1ywh
      automatically matched to 1YWH A:89-188
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region k:90-188 [145940]
    23. 1ywh
      automatically matched to 1YWH A:1-82
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region k:1-78 [145941]
    24. 1ywh
      automatically matched to 1YWH A:189-279
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region k:189-276 [145942]
    25. 1ywh
      automatically matched to 1YWH A:89-188
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region m:89-188 [145943]
    26. 1ywh
      automatically matched to 1YWH A:1-82
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region m:1-81 [145944]
    27. 1ywh
      automatically matched to 1YWH A:189-279
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region m:189-277 [145945]
    28. 1ywh
      automatically matched to 1YWH A:89-188
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region o:92-188 [145946]
    29. 1ywh
      automatically matched to 1YWH A:1-82
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region o:1-81 [145947]
    30. 1ywh
      automatically matched to 1YWH A:189-279
      complexed with alc, bma, fuc, man, nag, ndg, so4
      1. region o:189-276 [145948]
    31. 3bt1
      automatically matched to 2FD6 U:1-80
      complexed with man, nag
      1. region u:1-80 [155537]
    32. 3bt1
      automatically matched to 2FD6 U:189-275
      complexed with man, nag
      1. region u:189-275 [155538]
    33. 3bt1
      automatically matched to 2FD6 U:92-188
      complexed with man, nag
      1. region u:92-188 [155539]