Structural Classification of Proteins

Fold: 7-stranded beta/alpha barrel

: variant of beta/alpha barrel; parallel beta-sheet barrel, closed, n=7, S=8; strand order 1234567; some members may have fewer strands

Lineage:

Root: scop
Class: Alpha and beta proteins (a/b) [51349]
Mainly parallel beta sheets (beta-alpha-beta units)
Fold: 7-stranded beta/alpha barrel [51988]
variant of beta/alpha barrel; parallel beta-sheet barrel, closed, n=7, S=8; strand order 1234567; some members may have fewer strands

Superfamilies:

Glycosyl hydrolases family 6, cellulases [51989] (1)
uperfamily
1. Glycosyl hydrolases family 6, cellulases [51990] (5)
  Pfam 01341
  1. Cellulase E2 [51991]
    1. Thermomonospora fusca, strain yx [TaxId: 2021] [51992] (2)
  2. Cellobiohydrolase II (Cel6) [51993]
    1. Trichoderma reesei, Cel6a [TaxId: 51453] [51994] (7)
    2. Humicola insolens, Cel6a [TaxId: 34413] [51995] (9)
    3. Humicola insolens, Cel6b [TaxId: 34413] [51996] (1)
  3. Putative cellulase Rv0062 (Cel6, CelA1) [117447]
    1. Mycobacterium tuberculosis [TaxId: 1773] [117448] (4)
      SQ Q79G13 88-380
PHP domain-like [89550] (2)
uperfamily
1. PHP domain [89551] (2)
  putative phosphoesterase domain; contains trinuclear metal-binding site; some similarity to the metallohydrolases of TIM-barrel fold
  1. Hypothetical protein YcdX [89552]
    1. Escherichia coli [TaxId: 562] [89553] (3)
      SQ P75914
  2. Hypothetical protein TM0559 [141949]
    1. Thermotoga maritima [TaxId: 2336] [141950] (6)
      SQ Q9WZ29 5-233
2. RNase P subunit p30 [110442] (1)
  Pfam 01876
  1. Ribonuclease P protein component 3, Rnp3 [110443]
    1. Pyrococcus horikoshii [TaxId: 53953] [110444] (3)
      SQ O59543 # PH1877
Glycoside hydrolase/deacetylase [88713] (8)
in the different families beta-barrels are similarly distorted but may vary in the number of strands
uperfamily
1. 4-alpha-glucanotransferase, N-terminal domain [89554] (1)
  family 57 glycoside hydrolase; overall domain organization is similar to that of the alpha-mannosidase family
  1. 4-alpha-glucanotransferase, N-terminal domain [89555]
    1. Archaeon Thermococcus litoralis [TaxId: 2265] [89556] (3)
2. alpha-mannosidase [88714] (2)
  family 38 glycoside hydrolase; overall domain organization is similar to that of the 4-alpha-glucanotransferase family
  1. Golgi alpha-mannosidase II [88715]
    1. Fruit fly (Drosophila melanogaster) [TaxId: 7227] [88716] (46)
      SQ Q24451 94-1107
  2. Lysosomal alpha-mannosidase [89557]
    the single-chain precursor is processed into 5 peptides; heavily glycosylated
    1. Cow (Bos taurus) [TaxId: 9913] [89558] (1)
3. AmyC N-terminal domain-like [102189] (2)
  1. Hypothetical protein TT1467, N-terminal domain [102190]
    1. Thermus thermophilus [TaxId: 274] [102191] (1)
  2. Alpha-amylase AmyC [141951]
    1. Thermotoga maritima [TaxId: 2336] [141952] (1)
      SQ A1GKL6 1-404
4. NodB-like polysaccharide deacetylase [89559] (6)
  variant of beta/alpha barrel; parallel beta-sheet barrel, closed, n=6, S=8; strand order 123456
  1. Probable polysaccharide deacetylase PdaA [89560]
    1. Bacillus subtilis [TaxId: 1423] [89561] (7)
  2. Chitin deacetylase [141953]
    1. Bean anthracnose fungus (Colletotrichum lindemuthianum) [TaxId: 290576] [141954] (1)
      SQ Q6DWK3 29-248
  3. Xylanase XynA C-terminal domain [141955]
    1. Clostridium thermocellum [TaxId: 1515] [141956] (2)
      SQ O87119 480-683
  4. Putative polysaccharide deacetylase BA0424 [141957]
    1. Bacillus anthracis [TaxId: 1392] [141958] (1)
      SQ Q81Z49 54-258
  5. Peptidoglycan GlcNAc deacetylase C-terminal domain [141959]
    1. Streptococcus pneumoniae [TaxId: 1313] [141960] (2)
      SQ Q8DP63 268-463
  6. Acetyl-xylan esterase [141961]
    1. Streptomyces lividans [TaxId: 1916] [141962] (2)
      SQ Q54413 42-233
5. LamB/YcsF-like [117449] (3)
  Pfam 03746
  1. Hypothetical protein YbgL [117450]
    1. Escherichia coli [TaxId: 562] [117451] (1)
      SQ P75746
  2. Hypothetical protein PH0986 [117452]
    1. Pyrococcus horikoshii [TaxId: 53953] [117453] (1)
      SQ O58714
  3. Hypothetical protein TTHB195 [141963]
    1. Thermus thermophilus [TaxId: 274] [141964] (1)
      SQ Q53WG6 1-250
6. PA1517-like [141965] (1)
  seven-stranded barrel with a detectable sequence similarity to the six-stranded barrel NodB-like family; member of the same Pfam family (Pfam 01522)
  1. Hypothetical protein PA1517 [141966]
    1. Pseudomonas aeruginosa [TaxId: 287] [141967] (8)
      SQ Q9I3J6 4-304
7. Divergent polysaccharide deacetylase [141968] (1)
  Pfam 04748
  1. Hypothetical protein BH1492 [141969]
    1. Bacillus halodurans [TaxId: 86665] [141970] (1)
      SQ Q9KCS7 31-254
8. YdjC-like [159441] (1)
  Pfam 04794
  1. Uncharacterized protein EF3048 [159442]
    1. Enterococcus faecalis [TaxId: 1351] [159443] (2)
      SQ P59745 2-262