Structural Classification of Proteins
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Fold: Knottins (small inhibitors, toxins, lectins)

disulfide-bound fold; contains beta-hairpin with two adjacent disulfides

Lineage:

  1. Root: scop
  2. Class: Small proteins [56992]
    Usually dominated by metal ligand, heme, and/or disulfide bridges
  3. Fold: Knottins (small inhibitors, toxins, lectins) [57015]
    disulfide-bound fold; contains beta-hairpin with two adjacent disulfides

Superfamilies:

  1. Plant lectins/antimicrobial peptides [57016] (2) picpic
  2. Plant inhibitors of proteinases and amylases [57027] (1) picpic
  3. Cyclotides [57038] (4) picpic
    macrocyclic plant knottins closed with the formation of an Asn-Gly peptide
  4. Gurmarin-like [57048] (2) picpic
  5. Agouti-related protein [57055] (1) picpic
  6. omega toxin-like [57059] (5) picpic
  7. Scorpion toxin-like [57095] (5) picpic
  8. Cellulose-binding domain [57180] (1) picpic
  9. Growth factor receptor domain [57184] (1) picpic
  10. Colipase-like [57190] (1) picpic
  11. EGF/Laminin [57196] (7) picpic
  12. Bromelain inhibitor VI (cysteine protease inhibitor) [57243] (1) picpic
  13. Bowman-Birk inhibitor, BBI [57247] (1) picpic
  14. Elafin-like [57256] (1) picpic
  15. Leech antihemostatic proteins [57262] (2) picpic
  16. Granulin repeat [57277] (1) picpic
  17. Satiety factor CART (cocaine and amphetamine regulated transcript) [64546] (1) picpic
  18. DPY module [90148] (1) picpic
  19. Bubble protein [103565] (1) picpic
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MRC site Generated from scop database 1.73 with scopm 1.101 on Wed Nov 21 11:18:32 2007
Copyright © 1994-2007 The scop authors / scop@mrc-lmb.cam.ac.uk