Lineage for Family b.40.2.1: Bacterial AB5 toxins, B-subunits

  1. Root: SCOP 1.67
  2. 362614Class b: All beta proteins [48724] (141 folds)
  3. 373898Fold b.40: OB-fold [50198] (10 superfamilies)
    barrel, closed or partly opened n=5, S=10 or S=8; greek-key
  4. 373966Superfamily b.40.2: Bacterial enterotoxins [50203] (2 families) (S)
  5. 373967Family b.40.2.1: Bacterial AB5 toxins, B-subunits [50204] (6 protein domains)

Protein Domains:

  1. 373968Cholera toxin [50208] (1 species)
    barrel, partly opened; n*=5, S*=10
  2. 374070Heat-labile toxin [50205] (2 species)
    1. 374071Species Escherichia coli, type IB [TaxId:562] [50206] (19 PDB entries)
    2. 374192Species Escherichia coli, type IIB [TaxId:562] [50207] (3 PDB entries)
  3. 374208Pertussis toxin S2/S3 subunits, C-terminal domain [50213] (1 species)
    N-terminal domain in S2/S3 has C-lectin-like fold
  4. 374222Pertussis toxin S4 subunit [50215] (1 species)
  5. 374236Pertussis toxin S5 subunit [50217] (1 species)
  6. 374244Verotoxin-1/shiga-toxin, B-pentamer [50210] (3 species)
    phage-borne toxin; bacteriophages H30 and H19B
    1. 374245Species Escherichia coli [TaxId:562] [50211] (12 PDB entries)
    2. 374337Species Shigella dysenteriae, toxin I [TaxId:622] [50212] (3 PDB entries)
      identical sequence with verotoxin-1 B
    3. 374363Species Shigella dysenteriae, toxin II [TaxId:622] [101755] (1 PDB entry)

More info for Family b.40.2.1: Bacterial AB5 toxins, B-subunits

Timeline for Family b.40.2.1: Bacterial AB5 toxins, B-subunits: