Structural Classification of Proteins

Superfamily: Cystatin/monellin

: has a additional strand at the N-terminus
uperfamily

Lineage:

Root: scop
Class: Alpha and beta proteins (a+b) [53931]
Mainly antiparallel beta sheets (segregated alpha and beta regions)
Fold: Cystatin-like [54402]
Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet
Superfamily: Cystatin/monellin [54403]
has a additional strand at the N-terminus
uperfamily

Families:

Monellin [54404] (1)
1. Monellin, B & A chains together [54405]
  1. Serendipity berry (Dioscoreophyllum cumminsii) [TaxId: 3457] [54406] (12)
    1. 2o9u
      automatically matched to d1fa3a_
      complexed with so4
      1. region x:1001-1096 [138960]
    2. 1mol
      single-chain version
      1. chain a [37988]
      2. chain b [37989]
    3. 1n98
      all-D monellin
      1. chain b,a [80337]
    4. 1iv7
      single-chain version
      mutant
      1. chain a [90707]
      2. chain b [90708]
    5. 1iv9
      single-chain version
      1. chain a [90709]
      2. chain b [90710]
    6. 1krl
      racemic DL-monellin structure
      1. chain b,a [68853]
      2. chain d,c [68854]
    7. 4mon
      1. chain b,a [37990]
      2. chain d,c [37991]
    8. 3mon
      1. chain b,a [37992]
      2. chain d,c [37993]
      3. chain f,e [37994]
      4. chain h,g [37995]
    9. 1fa3
      single-chain version
      1. chain a [37996]
    10. 1m9g
      single-chain version
      mutant
      1. chain a [84902]
    11. 1fuw
      single-chain version
      mutant
      1. chain a [60033]
    12. 1mnl
      single-chain version
      1. chain a [37997]
Cystatins [54407] (6)
1. Phytocystatin [54408]
  1. Japanese rice (Oryza sativa), subsp. japonica, oryzacystatin-I [TaxId: 4530] [54409] (1)
    1. 1eqk
      1. chain a [37998]
2. Cystatin [54410]
  1. Chicken (Gallus gallus) [TaxId: 9031] [54411] (4)
    1. 1cew
      1. chain i [37999]
    2. 1yvb
      automatically matched to d1a67__
      complexed with gol
      1. region i:9-116 [124093]
    3. 1a67
      1. chain a [38000]
    4. 1a90
      mutant
      1. chain a [38001]
3. Cystatin A (stefin A) [54412]
  1. Human (Homo sapiens) [TaxId: 9606] [54413] (9)
    1. 1nb5
      complexed with bma, nag
      1. chain i [80381]
      2. chain j [80382]
      3. chain k [80383]
      4. chain l [80384]
    2. 1nb3
      complexed with bma, nag
      1. chain i [80373]
      2. chain j [80374]
      3. chain k [80375]
      4. chain l [80376]
    3. 1n9j
      segment-swapped dimer
      1. chain a [80341]
      2. chain b [80342]
    4. 1dvc
      1. chain a [38003]
    5. 1dvd
      1. chain a [38002]
    6. 1cyu
      mutant
      1. chain a [38004]
    7. 1gd3
      mutant
      1. chain a [60437]
    8. 1cyv
      mutant
      1. chain a [38005]
    9. 1gd4
      mutant
      1. chain a [60438]
4. Cystatin B (stefin B) [54414]
  1. Human (Homo sapiens) [TaxId: 9606] [54415] (1)
    1. 1stf
      complexed with cbm; mutant
      1. chain i [38006]
5. Cystatin C [64231]
  1. Human (Homo sapiens) [TaxId: 9606] [64232] (4)
    SQ P01034 37-146
    1. 1r4c
      dimeric form with segment-swapping
      1. chain a [104793]
      2. chain b [104794]
      3. chain c [104795]
      4. chain d [104796]
      5. chain e [104797]
      6. chain f [104798]
      7. chain g [104799]
      8. chain h [104800]
    2. 1g96
      dimeric form with 3d domain swapping; only one monomer in the PDB entry
      complexed with cl, gol
      1. chain a [60393]
    3. 1tij
      automatically matched to d1g96a_
      1. region a:10-120 [119281]
    4. 1tij
      automatically matched to d1g96a_
      1. region b:10-120 [119282]
6. Cystatin D [110819]
  1. Human (Homo sapiens) [TaxId: 9606] [110820] (2)
    SQ P28325 31-142
    1. 1roa
      mutant
      1. chain a [105024]
    2. 1rn7
      mutant
      1. chain a [105019]
Cathelicidin motif [82592] (1)
cathelin-like domain
1. Cathelicidin motif of protegrin-3 [82593]
  antimicrobial protein
  1. Pig (Sus scrofa) [TaxId: 9823] [82594] (5)
    1. 1kwi
      1. chain a [77564]
    2. 1lxe
      swapped dimer
      1. chain a [78291]
    3. 1pfp
      complexed with cse
      1. chain a [94656]
    4. 1n5h
      1. chain a [85329]
    5. 1n5p
      1. chain a [85338]
Staphopain B, prodomain [117846] (1)
1. Staphopain B, prodomain [117847]
  includes additional beta-sheet subdomain, connecting the N-terminal cystatin-like domain to the catalytic domain/mature enzyme
  1. Staphylococcus aureus [TaxId: 1280] [117848] (1)
    SQ Q70UQ9 41-393
    1. 1x9y
      1. region a:41-211 [115012]
      2. region b:41-211 [115014]
      3. region c:41-211 [115016]
      4. region d:41-211 [115018]
Latexin-like [142991] (1)
Pfam 06907; duplication: consits of two domains of this fold
1. Latexin [142992]
  1. Human (Homo sapiens) [TaxId: 9606] [142993] (4)
    SQ Q9BS40 1-98! SQ Q9BS40 99-217
    1. 2bo9
      complexed with acn, mpd, nag, val, zn
      1. region b:1-98 [128898]
    2. 2bo9
      complexed with acn, mpd, nag, val, zn
      1. region b:99-217 [128899]
    3. 2bo9
      automatically matched to 2BO9 B:1-98
      complexed with acn, mpd, nag, val, zn
      1. region d:1-98 [128901]
    4. 2bo9
      automatically matched to 2BO9 B:99-217
      complexed with acn, mpd, nag, val, zn
      1. region d:99-217 [128902]
PepSY-like [159955] (1)
Pfam 03413; Peptidase propeptide and YPEB domain
1. Uncharacterized protein YpmB [159956]
  duplication; consist of two similar domains
  1. Bacillus subtilis [TaxId: 1423] [159957] (2)
    SQ P54396 34-98! SQ P54396 99-161
    1. 2gu3
      complexed with ni
      1. region a:99-161 [147178]
    2. 2gu3
      complexed with ni
      1. region a:34-98 [147179]