Structural Classification of Proteins

Fold: Split barrel-like

: barrel; n=6, S=10; greek-key

Lineage:

Root: scop
Class: All beta proteins [48724]
Fold: Split barrel-like [50474]
barrel; n=6, S=10; greek-key

Superfamilies:

FMN-binding split barrel [50475] (4)
related to the ferredoxin reductase-like FAD-binding domain
uperfamily
1. PNP-oxidase like [50476] (21)
  1. FMN-binding protein [50477]
    1. Desulfovibrio vulgaris, strain Miyazaki F [TaxId: 881] [50478] (10)
  2. Pyridoxine 5'-phoshate oxidase (PNP oxidase) [50479]
    elaborated with additional secondary structures; active as dimer
    1. Human (Homo sapiens) [TaxId: 9606] [82120] (1)
    2. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [50480] (1)
    3. Escherichia coli [TaxId: 562] [50481] (7)
      SQ P28225
    4. Pseudomonas aeruginosa [TaxId: 287] [117226] (1)
      SQ Q820A5
    5. Pseudomonas fluorescens [TaxId: 294] [117227] (1)
      SQ Q51793
    6. Mycobacterium tuberculosis [TaxId: 1773] [141347] (2)
      SQ P65682 24-112
  3. Hypothetical protein Alr5027 [110234]
    1. Cyanobacterium (Nostoc sp. PCC 7120) [TaxId: 103690] [110235] (1)
      SQ Q8YMA7
  4. NimA-related protein DR0842 [117228]
    1. Deinococcus radiodurans [TaxId: 1299] [117229] (5)
      SQ Q9RW27
  5. Hypothetical protein Rv1155 [117230]
    1. Mycobacterium tuberculosis [TaxId: 1773] [117231] (6)
      SQ O06553
  6. Hypothetical protein Rv2991 [117232]
    1. Mycobacterium tuberculosis [TaxId: 1773] [117233] (1)
      SQ O53240
  7. Hypothetical protein BH0577 [141348]
    1. Bacillus halodurans [TaxId: 86665] [141349] (1)
      SQ Q9KFA8 10-165
  8. Hypothetical protein PA4388 [141350]
    1. Pseudomonas aeruginosa [TaxId: 287] [141351] (2)
      SQ Q9HW16 2-239
  9. General stress protein 26 [141352]
    1. Nostoc punctiforme pcc 73102 [TaxId: 63737] [141353] (2)
  10. Hypothetical protein Mll6688 [141354]
    binds FAD cofactor
    1. Mesorhizobium loti [TaxId: 381] [141355] (2)
      SQ Q988L5 1-148
  11. Cellular repressor of E1A-stimulated genes CREG1 [141356]
    1. Human (Homo sapiens) [TaxId: 9606] [141357] (4)
      SQ O75629 49-218
  12. Putative general stress protein BT1439 [141358]
    1. Bacteroides thetaiotaomicron [TaxId: 818] [141359] (2)
      SQ Q8A7U5 3-137
  13. Hypotheical protein CAC3491 [141360]
    related to general stress protein 26(GS26) of B.subtilis
    1. Clostridium acetobutylicum [TaxId: 1488] [141361] (2)
      SQ Q97DI6 2-142
  14. Hypothetical protein Rv2074 [141362]
    1. Mycobacterium tuberculosis [TaxId: 1773] [141363] (1)
      SQ Q10682 11-135
  15. 5-nitroimidazole resistance protein BT3078 [141364]
    1. Bacteroides thetaiotaomicron [TaxId: 818] [141365] (1)
      SQ Q8A377 1-157
  16. Hypothetical protein Ta1372 [141366]
    1. Thermoplasma acidophilum [TaxId: 2303] [141367] (2)
      SQ Q9HIG7 16-208
2. NADH:FMN oxidoreductase-like [50482] (5)
  different dimerization mode than in the PNP-oxidase like family
  1. FMN-binding protein MTH152 [50483]
    1. Archaeon Methanobacterium thermoautotrophicum [TaxId: 145262] [50484] (1)
  2. Ferric reductase [63787]
    1. Archaeon Archaeoglobus fulgidus [TaxId: 2234] [63788] (2)
  3. Putative styrene monooxygenase small component [101796]
    1. Thermus thermophilus [TaxId: 274] [101797] (2)
  4. Phenol 2-hydroxylase component B (PheA2) [101798]
    utilizes FAD rather than FMN
    1. Geobacillus thermoglucosidasius [TaxId: 1426] [101799] (2)
  5. Putative flavoprotein TTHA0420 [117234]
    1. Thermus thermophilus [TaxId: 274] [117235] (2)
      SQ Q5SL73
3. UbiD middle domain-like [141368] (1)
  N terminal part of Pfam 01977; overall structural similarity to one subunit of the NADH:FMN oxidoreductase-like family (scop_fa 50482); not known to bind a flavin cofactor; also includes the N-terminal alpha+beta subdomain (~110 residues)
  1. 3-octaprenyl-4-hydroxybenzoate carboxy-lyase UbiD [141369]
    1. Escherichia coli [TaxId: 562] [141370] (3)
      SQ P0AAB4 6-325
4. MTH863-like [159164] (3)
  Pfam 04289; DUF447; a new dimerisation mode involving (included) all-alpha subdomain of the spectrin-like fold (scop_cf 46965)
  1. Hypothetical protein AF1834 [159165]
    1. Archaeoglobus fulgidus [TaxId: 2234] [159166] (4)
      SQ O28442 1-189
  2. Hypothetical protein MM1853 [159167]
    1. Methanosarcina mazei [TaxId: 2209] [159168] (2)
      SQ Q8PVV4 19-210
  3. Uncharacterized protein MTH863 [159169]
    1. Methanobacterium thermoautotrophicum [TaxId: 145262] [159170] (2)
      SQ O26951 15-220
PilZ domain-like [141371] (2)
uperfamily
1. PilZ domain [141372] (3)
  Pfam 07238
  1. Hypothetical protein VCA0042, C-terminal domain [141373]
    1. Vibrio cholerae [TaxId: 666] [141374] (1)
      SQ Q9KNC3 138-248
    2. Vibrio cholerae O395 [TaxId: 345073] [159171] (2)
  2. Hypothetical protein PA4608 [141375]
    1. Pseudomonas aeruginosa [TaxId: 287] [141376] (1)
      SQ Q9HVI1 1-125
2. PilZ domain-associated domain [141377] (2)
  this domain preceeds PilZ domain in some proteins
  1. Hypothetical protein VCA0042, N-terminal domain [141378]
    1. Vibrio cholerae [TaxId: 666] [141379] (1)
      SQ Q9KNC3 23-137
    2. Vibrio cholerae O395 [TaxId: 345073] [159172] (2)
YkvR-like [159173] (1)
provisional classification, pending better resolution structures
1. YkvR-like [159174] (1)
  PfamB 102647
  1. Uncharacterized protein YkvR [159175]
    1. Bacillus subtilis [TaxId: 1423] [159176] (1)
      SQ O31683 1-96