Structural Classification of Proteins
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Family: Ricin B-like

Lineage:

  1. Root: scop
  2. Class: All beta proteins [48724]
  3. Fold: beta-Trefoil [50352]
    barrel, closed; n=6, S=12; and a hairpin triplet; meander
    duplication: has internal pseudo threefold symmetry
  4. Superfamily: Ricin B-like lectins [50370]
    link to SUPERFAMILY database - Superfamily
  5. Family: Ricin B-like [50371]

Protein Domains:

  1. Plant cytotoxin B-chain (lectin) [50372]
    duplication: consists of two domains of this fold
    1. Castor bean (Ricinus communis), Ricin [TaxId: 3988] [50373] (2) picpic
      SQ P06750 303-564
    2. Abrus precatorius [TaxId: 3816] [50374] (1) picpic
    3. Mongolian snake-gourd (Trichosanthes kirilowii), Lectin 1 [TaxId: 3677] [89337] (1) picpic
    4. European mistletoe (Viscum album) [TaxId: 3972] [50375] (18) picpic
      different sequence variants
      SQ Q6ITZ3 266-520; SQ P81446 269-531 # 91% sequence identity
    5. Sambucus ebulus, ebulin [TaxId: 28503] [50376] (4) picpic
  2. Xylan binding domain, CBM13 (Endo-1,4-beta-xylanase C-terminal domain) [50377]
    1. Streptomyces olivaceoviridis [TaxId: 1921] [50378] (11) picpic
    2. Streptomyces lividans [TaxId: 1916] [74958] (3) picpic
  3. Hemagglutinin component Ha1 [101784]
    1. Clostridium botulinum D phage [TaxId: 29342] [101785] (1) picpic
    2. Clostridium botulinum [TaxId: 1491] [159147] (12) picpic
  4. Cytolethal distending toxin subunit A [110207]
    1. Haemophilus ducreyi [TaxId: 730] [110208] (1) picpic
      SQ O06522 57-223
    2. Actinobacillus actinomycetemcomitans [TaxId: 714] [141329] (2) picpic
      SQ O87120 70-222
  5. Cytolethal distending toxin subunit C [110209]
    1. Haemophilus ducreyi [TaxId: 730] [110210] (1) picpic
      SQ O06524 25-178
    2. Actinobacillus actinomycetemcomitans [TaxId: 714] [141330] (2) picpic
      SQ Q7DK11 25-178
  6. Hemolytic lectin CEL-III, domains 1 and 2 [110211]
    1. Cucumaria echinata [TaxId: 40245] [110212] (9) picpic
      SQ Q868M7 11-442
  7. Polypeptide N-acetylgalactosaminyltransferase 1, C-terminal domain [117210]
    1. Mouse (Mus musculus) [TaxId: 10090] [117211] (1) picpic
      SQ O08912
  8. 29-kDa galactose-binding lectin [159148]
    duplication: tadem repeat of two Ricin B-like domains
    1. Lumbricus terrestris [TaxId: 6398] [159149] (4) picpic
      SQ O96048 131-260
  9. Agglutinin-1 chain B [159150]
    1. Abrus precatorius [TaxId: 3816] [159151] (2) picpic
      SQ Q9M6E9 287-420! SQ Q9M6E9 421-547
  10. Agglutinin MOA, N-terminal domain [159152]
    1. Fairy-ring mushroom (Marasmius oreades) [TaxId: 181124] [159153] (1) picpic
      SQ Q8X123 2-155
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MRC site Generated from scop database 1.75 with scopm 1.101 on Wed Jun 3 10:42:06 2009
Copyright © 1994-2009 The scop authors / scop@mrc-lmb.cam.ac.uk