Structural Classification of Proteins

Fold: Toxins' membrane translocation domains

: multi-helical domains of various folds which is thought to unfold in the membrane

Lineage:

Root: scop
Class: Membrane and cell surface proteins and peptides [56835]
Does not include proteins in the immune system
Fold: Toxins' membrane translocation domains [56836]
multi-helical domains of various folds which is thought to unfold in the membrane

Superfamilies:

Colicin [56837] (1)
uperfamily
1. Colicin [56838] (4)
  contains "globin-like fold" with additional N-terminal and C-terminal helices
  1. Colicin A [56839]
    1. Escherichia coli [TaxId: 562] [56840] (1)
  2. Colicin B C-terminal domain [103421]
    1. Escherichia coli [TaxId: 562] [103422] (1)
  3. Colicin N [56841]
    contains an additional N-terminal a+b domain with six-stranded meander b-sheet
    1. Escherichia coli [TaxId: 562] [56842] (1)
  4. Colicin Ia [56843]
    the first ~450 residues are organized in coiled-coil structures
    1. Escherichia coli [TaxId: 562] [56844] (1)
Diphtheria toxin, middle domain [56845] (1)
uperfamily
1. Diphtheria toxin, middle domain [56846] (1)
  1. Diphtheria toxin, middle domain [56847]
    contains globin-like fold with two additional helices at N-termini but has no counterpart to the first globin helix (A)
    1. Corynebacterium diphtheriae [TaxId: 1717] [56848] (6)
delta-Endotoxin (insectocide), N-terminal domain [56849] (1)
uperfamily
1. delta-Endotoxin (insectocide), N-terminal domain [56850] (4)
  seven-helical bundle with central helix surrounded by six others
  1. delta-Endotoxin (insectocide), N-terminal domain [56851]
    1. Bacillus thuringiensis tenebrionis, CRYIIIA (BT13) [TaxId: 1444] [56852] (1)
    2. Bacillus thuringiensis, CRY3bb1 [TaxId: 1428] [64522] (1)
    3. Bacillus thuringiensis, CRYIA (A) [TaxId: 1428] [56853] (1)
    4. Bacillus thuringiensis subsp. kurstaki, CRY2AA [TaxId: 29339] [64523] (1)
Bcl-2 inhibitors of programmed cell death [56854] (1)
PROVISIONAL CLASSIFICATION, based on structural similarity to the diphtheria toxin domain
uperfamily
1. Bcl-2 inhibitors of programmed cell death [56855] (13)
  Pfam 00452
  1. Bcl-2 [64524]
    1. Human (Homo sapiens) [TaxId: 9606] [64525] (5)
  2. Apoptosis regulator Bcl-xL [56856]
    1. Human (Homo sapiens) [TaxId: 9606] [56857] (15)
    2. Mouse (Mus musculus) [TaxId: 10090] [103423] (3)
    3. Rat (Rattus norvegicus) [TaxId: 10116] [56858] (1)
  3. Apoptosis regulator Bcl-w [90103]
    1. Human (Homo sapiens) [TaxId: 9606] [90104] (3)
  4. Proapoptotic molecule Bid [56859]
    1. Human (Homo sapiens) [TaxId: 9606] [56860] (1)
    2. Mouse (Mus musculus) [TaxId: 10090] [56861] (1)
  5. Proapoptotic molecule Bax [56862]
    1. Human (Homo sapiens) [TaxId: 9606] [56863] (2)
  6. Bcl-2 homolog [75637]
    1. Kaposi's sarcoma-associated herpesvirus [TaxId: 37296] [75638] (1)
  7. Apoptosis regulator ced-9 [103424]
    1. Nematode (Caenorhabditis elegans) [TaxId: 6239] [103425] (3)
      SQ P41958 74-237
  8. Early antigen protein R [103426]
    1. Epstein-Barr virus [TaxId: 10376] [103427] (1)
  9. EAT/MCL-1 (Myeloid cell leukemia sequence 1) [118212]
    1. Mouse (Mus musculus) [TaxId: 10090] [118213] (4)
      SQ P97287 152-308
  10. Bcl-2 homolog V-bcl-2 [144081]
    1. Murid herpesvirus 4 [TaxId: 33708] [144082] (5)
      SQ P89884 6-136
Exotoxin A, middle domain [56864] (1)
uperfamily
1. Exotoxin A, middle domain [56865] (1)
  1. Exotoxin A, middle domain [56866]
    six-helical domain
    1. Pseudomonas aeruginosa [TaxId: 287] [56867] (2)