Structural Classification of Proteins
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Superfamily: STI-like

link to SUPERFAMILY database - Superfamily

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: STI-like [50386]
    link to SUPERFAMILY database - Superfamily

Families:

  1. Kunitz (STI) inhibitors [50387] (7)
    1. Winged bean albumin 1 [50388]
      1. Goa bean (Psophocarpus tetragonolobus) [TaxId: 3891] [50389] (1) picpic
    2. Erythrina cafra trypsin inhibitor [50390]
      1. Erythrina caffra [TaxId: 3842] [50391] (1) picpic
    3. chymotrypsin inhibitor WCI [50392]
      1. Winged bean (Psophocarpus tetragonolobus) [TaxId: 3891] [50393] (6) picpic
    4. Soybean trypsin inhibitor [50394]
      1. Soybean (Glycine max) [TaxId: 3847] [50395] (4) picpic
    5. Amylase/subtilisin inhibitor [50396]
      1. Barley (Hordeum vulgare), seed [TaxId: 4513] [50397] (3) picpic
    6. Serine protease inhibitor DrTI [110213]
      1. Royal poinciana (Delonix regia) [TaxId: 72433] [110214] (1) picpic
        SQ P83667
    7. Two-chain trypsin inhibitor [110215]
      1. Balsam copaiba (Copaifera langsdorffii) [TaxId: 280048] [110216] (1) picpic
        SQ P84144,P84145 # two chains probably resulted from a single chain precursor
  2. Clostridium neurotoxins, C-terminal domain [50399] (3)
    overall fold is very similar to that of the STI family
    1. Tetanus neurotoxin [50400]
      1. Clostridium tetani [TaxId: 1513] [50401] (10) picpic
    2. Botulinum neurotoxin [50402]
      1. Clostridium botulinum, serotype A [TaxId: 1491] [50403] (1) picpic
      2. Clostridium botulinum, serotype B [TaxId: 1491] [50404] (17) picpic
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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