Structural Classification of Proteins

Fold: Single-stranded right-handed beta-helix

: superhelix turns are made of parallel beta-strands and (short) turns

Lineage:

Root: scop
Class: All beta proteins [48724]
Fold: Single-stranded right-handed beta-helix [51125]
superhelix turns are made of parallel beta-strands and (short) turns

Superfamilies:

beta-Roll [51120] (1)
superhelix turns are made of two short strands each
uperfamily
1. Serralysin-like metalloprotease, C-terminal domain [51121] (4)
  duplication: halfturs of beta-helix are sequence and structural repeats; binds calcium ions between the turns
  1. Metalloprotease [51122]
    The catalytic N-terminal domain belong to the "zincin" superfamily
    1. Pseudomonas aeruginosa [TaxId: 287] [51123] (3)
      alkaline protease
    2. Serratia marcescens [TaxId: 615] [51124] (4)
      serralysin
    3. Erwinia chrysanthemi [TaxId: 556] [82189] (5)
      protease C
    4. Pseudomonas sp., tac ii 18 [TaxId: 306] [82190] (8)
      psychrophilic alkaline protease
Pectin lyase-like [51126] (11)
superhelix turns are made of 3 strands each
uperfamily
1. Pectate lyase-like [51127] (6)
  1. Pectate lyase [51128]
    1. Erwinia chrysanthemi, type C [TaxId: 556] [51129] (14)
    2. Erwinia chrysanthemi, type A [TaxId: 556] [75024] (4)
    3. Erwinia chrysanthemi, type E [TaxId: 556] [51130] (1)
    4. Bacillus subtilis [TaxId: 1423] [51131] (2)
    5. Bacillus sp., strain ksmp15 [TaxId: 1409] [51132] (1)
      Low-molecular weight high-alkaline enzyme
  2. Major pollen allergen Jun a 1 [117306]
    1. Ozark white cedar (Juniperus ashei) [TaxId: 13101] [117307] (1)
      SQ P81294 22-367
2. Pectin lyase [51133] (2)
  1. Pectin lyase [51134]
    1. Aspergillus niger, type A [TaxId: 5061] [51135] (2)
    2. Aspergillus niger, type B [TaxId: 5061] [51136] (1)
3. Galacturonase [51137] (7)
  1. Rhamnogalacturonase A [51138]
    1. Aspergillus aculeatus [TaxId: 5053] [51139] (1)
  2. Polygalacturonase [51140]
    1. Erwinia carotovora, subsp. carotovora [TaxId: 554] [51141] (1)
    2. Fungus (Aspergillus aculeatus) [TaxId: 5053] [63847] (2)
    3. Fungus (Stereum purpureum), endo-polygalacturonase I [TaxId: 58369] [75025] (3)
    4. Fungus (Aspergillus niger), endo-polygalacturonase I [TaxId: 5061] [101950] (1)
    5. Fungus (Aspergillus niger), endo-polygalacturonase II [TaxId: 5061] [63382] (1)
    6. Fusarium moniliforme [TaxId: 117187] [69332] (1)
4. Chondroitinase B [51144] (1)
  1. Chondroitinase B [51145]
    1. Pedobacter heparinus [TaxId: 984] [51146] (4)
      SQ Q46079 27-506
      synonym: Flavobacterium heparinum
5. iota-carrageenase [69333] (1)
  1. iota-carrageenase [69334]
    1. Alteromonas sp., atcc 43554 [TaxId: 232] [69335] (2)
6. Pectate transeliminase [101951] (1)
  1. Pectate transeliminase [101952]
    type L pectate lyase, pel9a
    1. Erwinia chrysanthemi [TaxId: 556] [101953] (1)
7. Dextranase, catalytic domain [101954] (1)
  1. Dextranase, catalytic domain [101955]
    1. Penicillium minioluteum [TaxId: 28574] [101956] (2)
8. Pectin methylesterase [51147] (2)
  1. Pectin methylesterase PemA [51148]
    1. Erwinia chrysanthemi [TaxId: 556] [51149] (1)
    2. Carrot (Daucus carota) [TaxId: 4039] [75026] (1)
9. P22 tailspike protein [51150] (1)
  1. P22 tailspike protein [51151]
    1. Salmonella phage P22 [TaxId: 10754] [51152] (12)
10. Virulence factor P.69 pertactin [51153] (1)
  1. Virulence factor P.69 pertactin [51154]
    1. Bordetella pertussis [TaxId: 520] [51155] (1)
11. Filamentous hemagglutinin FhaB, secretion domain [101957] (1)
  1. Filamentous hemagglutinin FhaB, secretion domain [101958]
    1. Bordetella pertussis [TaxId: 520] [101959] (1)
Insect cysteine-rich antifreeze protein [51156] (1)
superhelix turns are made of two short strands each
uperfamily
1. Insect cysteine-rich antifreeze protein [51157] (1)
  1. Insect cysteine-rich antifreeze protein [51158]
    1. Yellow mealworm (Tenebrio molitor) [TaxId: 7067] [51159] (2)
Cell-division inhibitor MinC, C-terminal domain [63848] (1)
superhelix turns are made of three short strands each
uperfamily
1. Cell-division inhibitor MinC, C-terminal domain [63849] (1)
  1. Cell-division inhibitor MinC, C-terminal domain [63850]
    1. Thermotoga maritima [TaxId: 2336] [63851] (1)
Alpha subunit of glutamate synthase, C-terminal domain [69336] (1)
uperfamily
1. Alpha subunit of glutamate synthase, C-terminal domain [69337] (2)
  1. Alpha subunit of glutamate synthase, C-terminal domain [69338]
    Central domain (residues 423-780) may be a rudiment form of the FMN domain
    1. Azospirillum brasilense [TaxId: 192] [69339] (7)
    2. Synechocystis sp. [TaxId: 1143] [75027] (5)
C-terminal domain of adenylylcyclase associated protein [69340] (1)
superhelix turns are made of two strands each
uperfamily
1. C-terminal domain of adenylylcyclase associated protein [69341] (2)
  1. C-terminal domain of adenylylcyclase associated protein [69342]
    1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [69343] (2)
    2. Human (Homo sapiens) [TaxId: 9606] [89399] (1)
Stabilizer of iron transporter SufD [101960] (1)
superhelix turns are made of two very long strands each
uperfamily
1. Stabilizer of iron transporter SufD [101961] (1)
  1. Stabilizer of iron transporter SufD [101962]
    1. Escherichia coli [TaxId: 562] [101963] (1)
Pentapeptide repeat-like [141571] (1)
superhelix turns are made of four short strands each; duplication: the sequence pentapeptide repeats correspond to individual strands
uperfamily
1. Pentapeptide repeats [141572] (3)
  Pfam 00805 (covers eight repeats or two full superhelical turns)
  1. Hypothetical protein Rv3361c (MT3469) [141573]
    1. Mycobacterium tuberculosis [TaxId: 1773] [141574] (8)
      SQ O50390 2-182
  2. NP275-NP276 [141575]
    Two consecuitive ORFs in the same frame that maintain the sequence periodicity; probable single ORF disrupted by the nonsense mutation
    1. Nostoc punctiforme [TaxId: 272131] [141576] (3)
  3. Lumenal RFR-domain protein [141577]
    1. Cyanothece sp. atcc 51142 [TaxId: 43989] [141578] (2)