Structural Classification of Proteins

Superfamily: Sialidases

: uperfamily

Lineage:

Root: scop
Class: All beta proteins [48724]
Fold: 6-bladed beta-propeller [50938]
consists of six 4-stranded beta-sheet motifs; meander
Superfamily: Sialidases [50939]
uperfamily

Families:

Sialidases (neuraminidases) [50940] (11)
1. Salmonella sialidase [50941]
  1. Salmonella typhimurium, strain lt2 [TaxId: 90371] [50942] (5)
    1. 3sil
      complexed with gol, k, po4; mutant
      1. chain a [27542]
    2. 2sil
      1. chain a [27543]
    3. 1dim
      complexed with eqp, k
      1. chain a [27544]
    4. 2sim
      complexed with dan
      1. chain a [27545]
    5. 1dil
      complexed with axp, eqp, k
      1. chain a [27546]
2. Influenza neuraminidase [50943]
  1. Influenza A virus, different strains [TaxId: 11320] [50944] (59)
    SQ P03472 84-470
    1. 1f8e
      complexed with 49a, ca, man, nag
      1. chain a [59694]
    2. 1f8d
      complexed with 9am, ca, man, nag
      1. chain a [59693]
    3. 2qwc
      complexed with ca, dan, man, nag; mutant
      1. chain a [27547]
    4. 1l7f
      complexed with bcz, bma, ca, gol, man, nag
      1. chain a [73653]
    5. 2qwa
      complexed with ca, man, nag; mutant
      1. chain a [27548]
    6. 1l7h
      complexed with bcz, bma, ca, gol, man, nag; mutant
      1. chain a [73655]
    7. 1l7g
      complexed with bcz, bma, ca, gol, man, nag; mutant
      1. chain a [73654]
    8. 1f8c
      complexed with 4am, ca, man, nag
      1. chain a [59692]
    9. 2qwh
      complexed with ca, g39, man, nag; mutant
      1. chain a [27550]
    10. 1nnc
      complexed with ca, gna, man, nag
      1. chain a [27549]
    11. 2qwg
      complexed with ca, g28, man, nag; mutant
      1. chain a [27552]
    12. 2qwf
      complexed with ca, g20, man, nag; mutant
      1. chain a [27553]
    13. 2qwk
      complexed with ca, g39, man, nag
      1. chain a [27551]
    14. 1f8b
      complexed with ca, dan, man, nag
      1. chain a [59691]
    15. 2qwe
      complexed with ca, gna, man, nag; mutant
      1. chain a [27555]
    16. 7nn9
      complexed with ca, man, nag
      1. chain a [27554]
    17. 1mwe
      complexed with ca, man, nag, sia
      1. chain a [27556]
    18. 2qwb
      complexed with ca, man, nag, sia; mutant
      1. chain a [27557]
    19. 1bji
      complexed with ca, g21, man, nag
      1. chain a [27558]
    20. 2c4l
      automatically matched to d1ncan_
      complexed with bma, ca, man, nag, sia
      1. region a:82-468 [129836]
    21. 2qwd
      complexed with 4am, ca, man, nag; mutant
      1. chain a [27559]
    22. 2c4a
      automatically matched to d1ncan_
      complexed with bma, ca, man, nag, sia
      1. region a:82-468 [129800]
    23. 2qwj
      complexed with ca, g28, man, nag
      1. chain a [27560]
    24. 2qwi
      complexed with ca, g20, man, nag
      1. chain a [27561]
    25. 2aep
      complexed with bma, ca, glc, man, nag, so4
      1. region a:83-469 [144805]
    26. 5nn9
      complexed with ca, man, nag; mutant
      1. chain a [27563]
    27. 4nn9
      complexed with ca, man, nag; mutant
      1. chain a [27562]
    28. 1ivg
      complexed with ca, fuc, man, nag
      1. chain a [27578]
    29. 1ivg
      duplicate of 1IVG
      complexed with ca, fuc, man, nag
      1. chain b [118516]
    30. 3nn9
      complexed with ca, man, nag; mutant
      1. chain a [27566]
    31. 6nn9
      complexed with ca, man, nag; mutant
      1. chain a [27565]
    32. 2bat
      complexed with ca, fuc, man, nag, ngl, sia
      1. chain a [27564]
    33. 1inx
      complexed with ca, eqp, man, nag
      1. chain a [27567]
    34. 1nmb
      complexed with ca, man, nag; mutant
      1. chain n [27583]
    35. 1ing
      complexed with ca, fuc, man, nag, st5
      1. chain a [27571]
      2. chain b [27572]
    36. 1iny
      complexed with ca, eqp, man, nag
      1. chain a [27569]
    37. 1xoe
      complexed with abx, man, nag
      1. chain a [115700]
    38. 1nn2
      complexed with ca, fuc, man, nag, ngl
      1. chain a [27570]
    39. 1nna
      complexed with ca
      1. chain a [27575]
    40. 1nmc
      complexed with ca, man, nag
      1. chain n [27581]
      2. chain a [27582]
    41. 1inw
      complexed with axp, ca, man, nag
      1. chain a [27577]
    42. 1ncb
      complexed with ca, man, nag; mutant
      1. chain n [27573]
    43. 1ivc
      complexed with ca, fuc, man, nag, st2
      1. chain a [27576]
    44. 1ivc
      duplicate of 1IVC
      complexed with ca, fuc, man, nag, st2
      1. chain b [118512]
    45. 1ivf
      complexed with ca, dan, fuc, man, nag
      1. chain a [27574]
    46. 1ivf
      duplicate of 1IVF
      complexed with ca, dan, fuc, man, nag
      1. chain b [118515]
    47. 1a14
      complexed with ca, man, nag
      1. chain n [27580]
    48. 1nca
      complexed with ca, man, nag
      1. chain n [27579]
    49. 1ivd
      complexed with ca, fuc, man, nag, st1
      1. chain a [27568]
    50. 1ivd
      duplicate of 1IVD
      complexed with ca, fuc, man, nag, st1
      1. chain b [118513]
    51. 1inh
      complexed with ca, fuc, man, nag, st6
      1. chain a [27585]
      2. chain b [27586]
    52. 1nnb
      complexed with ca, dan
      1. chain a [27584]
    53. 1ncd
      complexed with ca, man, nag
      1. chain n [27589]
    54. 1ive
      complexed with ca, fuc, man, nag, st3
      1. chain a [27587]
    55. 1ive
      duplicate of 1IVE
      complexed with ca, fuc, man, nag, st3
      1. chain b [118514]
    56. 1xog
      complexed with abw, man, nag
      1. chain a [115701]
    57. 1ncc
      complexed with ca, man, nag; mutant
      1. chain n [27588]
    58. 1nma
      complexed with man, nag; mutant
      1. chain n [27590]
    59. 2aeq
      automatically matched to 2AEP A:83-469
      complexed with man, nag
      1. region a:83-469 [146052]
  2. Influenza B virus, different strains [TaxId: 11520] [50945] (12)
    1. 1nsc
      complexed with ca, nag, sia
      1. chain a [27591]
      2. chain b [27592]
    2. 1nsd
      complexed with ca, dan, nag
      1. chain a [27593]
      2. chain b [27594]
    3. 1a4q
      complexed with ca, dpc, nag
      1. chain a [27595]
      2. chain b [27596]
    4. 1nsb
      complexed with ca, nag
      1. chain a [27597]
      2. chain b [27598]
    5. 1a4g
      complexed with ca, nag, zmr
      1. chain a [27600]
      2. chain b [27601]
    6. 1inv
      complexed with ca, eqp, nag
      1. chain a [27599]
    7. 1inf
      complexed with ca, nag, st4
      1. chain a [27602]
    8. 1b9v
      complexed with ca, nag, ra2
      1. chain a [27603]
    9. 1vcj
      complexed with iba
      1. chain a [100559]
    10. 1ivb
      complexed with ca, nag, st1
      1. chain a [27604]
    11. 1b9s
      complexed with ca, fdi, nag
      1. chain a [27605]
    12. 1b9t
      complexed with ca, nag, rai
      1. chain a [27606]
3. Paramyxovirus hemagglutinin-neuraminidase head domain [63823]
  1. Newcastle disease virus [TaxId: 11176] [63824] (5)
    1. 1usr
      complexed with ca, dan, ndg, sia, wia
      1. chain a [99881]
      2. chain b [99882]
    2. 1e8u
      complexed with ca, nag, sia
      1. chain a [59389]
      2. chain b [59390]
    3. 1e8v
      complexed with ca, dan, nag
      1. chain a [59391]
      2. chain b [59392]
    4. 1e8t
      complexed with ca, gol, nag
      1. chain a [59387]
      2. chain b [59388]
    5. 1usx
      complexed with dan, sia, wia
      1. chain a [99896]
      2. chain b [99897]
      3. chain c [99898]
4. Hemagglutinin-neuraminidase glycoprotein [101891]
  1. Human parainfluenza virus type 3 [TaxId: 11216] [101892] (5)
    1. 1v3e
      complexed with ca, nag, so4, zmr
      1. chain a [100287]
      2. chain b [100288]
    2. 1v3b
      complexed with ca, nag, so4
      1. chain a [100281]
      2. chain b [100282]
    3. 1v2i
      complexed with ca, man, nag, po4
      1. chain a [100272]
      2. chain b [100273]
    4. 1v3c
      complexed with ca, nag, slb, so4
      1. chain a [100283]
      2. chain b [100284]
    5. 1v3d
      complexed with ca, dan, nag, so4
      1. chain a [100285]
      2. chain b [100286]
5. Micromonospora sialidase, N-terminal domain [50946]
  1. Micromonospora viridifaciens [TaxId: 1881] [50947] (10)
    SQ Q02834 47-647
    1. 1w8o
      complexed with cit, gol, lbt, na; mutant
      1. region a:47-402 [114376]
    2. 2ber
      automatically matched to d1eur__
      complexed with na, slb; mutant
      1. region a:47-404 [128388]
    3. 1eur
      1. chain a [27607]
    4. 1eus
      complexed with dan
      1. chain a [27608]
    5. 1w8n
      complexed with dan, gal, na; mutant
      1. region a:47-402 [114373]
    6. 1wcq
      automatically matched to d1eur__
      complexed with dan, gol, na; mutant
      1. region a:47-404 [120896]
    7. 1wcq
      automatically matched to d1eur__
      complexed with dan, gol, na; mutant
      1. region b:47-404 [120899]
    8. 1wcq
      automatically matched to d1eur__
      complexed with dan, gol, na; mutant
      1. region c:49-404 [120902]
    9. 1eut
      complexed with na
      1. region a:47-402 [27609]
    10. 1euu
      complexed with gal, na
      1. region a:47-402 [27610]
6. Leech intramolecular trans-sialidase, C-terminal domain [50948]
  contains incomplete beta-barrel subdomain inserted in the second blade
  1. North american leech (Macrobdella decora) [TaxId: 6405] [50949] (5)
    1. 2sli
      complexed with skd
      1. region a:277-759 [27611]
    2. 4sli
      complexed with cnp
      1. region a:277-759 [27612]
    3. 3sli
      complexed with skd
      1. region a:277-759 [27613]
    4. 1sli
      complexed with dan
      1. region a:277-759 [27615]
    5. 1sll
      1. region a:277-759 [27614]
7. Vibrio cholerae sialidase [50950]
  contains 2 additional domains of ConA-like fold
  1. Vibrio cholerae [TaxId: 666] [50951] (3)
    SQ P37060
    1. 1w0p
      complexed with ca, gol, sia, trs
      1. region a:217-346,a:544-777 [109040]
    2. 1w0o
      complexed with ca, dan, sia
      1. region a:217-346,a:544-777 [109037]
    3. 1kit
      complexed with ca
      1. region a:217-346,a:544-781 [27616]
8. Trypanosoma sialidase [82164]
  1. Parasitic flagellate protozoan (Trypanosoma cruzi) [TaxId: 5693] [89371] (12)
    SQ Q26966
    1. 2ah2
      automatically matched to d1ms0a2
      complexed with cl, fsi, gol, ipa; mutant
      1. region a:1-399 [126740]
    2. 1ms9
      complexed with lat; mutant
      1. region a:2-399 [85089]
      2. region b:2-399 [85091]
    3. 1s0i
      complexed with slt; mutant
      1. region a:1-399 [105147]
    4. 1ms3
      mutant
      1. region a:1-399 [85069]
      2. region b:1-399 [85071]
    5. 1s0j
      complexed with mus; mutant
      1. region a:1-399 [105149]
    6. 3b69
      automatically matched to d1ms0a2
      complexed with bfn, cl, epe; mutant
      1. region a:1-399 [154881]
    7. 1ms1
      complexed with dan, gol; mutant
      1. region a:1-399 [85065]
      2. region b:1-399 [85067]
    8. 1ms8
      complexed with dan; mutant
      1. region a:1-399 [85085]
      2. region b:2-399 [85087]
    9. 1ms5
      mutant
      1. region a:2-399 [85077]
      2. region b:2-399 [85079]
    10. 1ms4
      mutant
      1. region a:1-399 [85073]
      2. region b:1-399 [85075]
    11. 1mr5
      mutant
      1. region a:4-399 [85059]
    12. 1ms0
      complexed with dan, lat; mutant
      1. region a:1-399 [85061]
      2. region b:1-399 [85063]
  2. Trypanosoma rangeli [TaxId: 5698] [82165] (10)
    SQ O44049 20-653
    1. 1n1t
      complexed with dan, so4
      1. region a:1-406 [79822]
    2. 1n1s
      complexed with so4
      1. region a:1-406 [79820]
    3. 2ags
      automatically matched to d1n1sa2
      complexed with fkd, so4
      1. region a:-1-403 [126738]
    4. 2a75
      automatically matched to d1n1sa2
      complexed with fsi, so4
      1. region a:-1-403 [126327]
    5. 1n1v
      complexed with dan, so4
      1. region a:1-406 [79825]
    6. 2fhr
      automatically matched to d1n1sa2
      complexed with fsi, gol, so4
      1. region a:0-400 [133500]
    7. 1mz5
      complexed with nag
      1. region a:1-403 [79680]
    8. 1n1y
      complexed with sia
      1. region a:1-406 [79827]
    9. 1wcs
      mutant
      1. region a:1-406 [114523]
    10. 1mz6
      complexed with dan, nag
      1. region a:1-403 [79682]
9. Sialidase 2 (Neu2) [117274]
  1. Human (Homo sapiens) [TaxId: 9606] [117275] (8)
    SQ Q9Y3R4
    1. 1so7
      complexed with cl
      1. chain a [112106]
    2. 1snt
      1. chain a [112105]
    3. 2f12
      automatically matched to d1vcua_
      complexed with htm, po4
      1. region a:3-377 [132686]
    4. 2f13
      automatically matched to d1vcua_
      complexed with dym, po4
      1. region a:3-376 [132687]
    5. 2f11
      automatically matched to d1vcua_
      complexed with iem, po4
      1. region a:3-376 [132685]
    6. 1vcu
      complexed with dan, epe
      1. chain a [113610]
      2. chain b [113611]
    7. 2f0z
      automatically matched to d1vcua_
      complexed with zmr
      1. region a:3-377 [132683]
    8. 2f10
      automatically matched to d1vcua_
      complexed with bcz, po4
      1. region a:3-377 [132684]
Endo-alpha-sialidase [117276] (1)
possibly related by the other family by circular permutation; includes extra N-terminal domain [dN: alpha/beta ] and insert domain [dI: beta-barrel, similar to the Reductase/isomerase/elongation factor common domain (scop_cf 50412)]
1. Endo-alpha-sialidase [117277]
  1. Bacteriophage K1F [TaxId: 344021] [117278] (2)
    SQ Q04830 245-909
    1. 1v0e
      complexed with po4
      1. region a:245-760 [113466]
      2. region b:245-760 [113468]
      3. region c:245-760 [113470]
      4. region d:245-760 [113472]
      5. region e:245-760 [113474]
      6. region f:245-760 [113476]
    2. 1v0f
      complexed with po4, sia, slb
      1. region a:245-760 [113478]
      2. region b:245-760 [113480]
      3. region c:245-760 [113482]
      4. region d:245-760 [113484]
      5. region e:245-760 [113486]
      6. region f:245-760 [113488]