Structural Classification of Proteins

Fold: beta-clip

: double-stranded ribbon sharply bent in two places; the ribbon ends form incomplete barrel; jelly-roll

Lineage:

Root: scop
Class: All beta proteins [48724]
Fold: beta-clip [51268]
double-stranded ribbon sharply bent in two places; the ribbon ends form incomplete barrel; jelly-roll

Superfamilies:

AFP III-like domain [51269] (1)
duplication: consists of two structural repeats related by pseudo dyad
uperfamily
1. AFP III-like domain [51270] (5)
  Pfam 01354
  1. Type III antifreeze protein, AFP III [51271]
    1. Ocean pout (Macrozoarces americanus), different isoforms [TaxId: 8199] [51272] (31)
    2. Antarctic eel pout (Lycodichthys dearborni), RD1 isoform [TaxId: 8201] [89424] (1)
    3. Antarctic eel pout (Austrolycichthys brachycephalus) and (Lycodichthys dearborni), RD3 isoform [TaxId: 36221] [51273] (4)
      duplication: intramolecular dimer
  2. Spore coat polysaccharide biosynthesis protein SpsE, C-terminal domain [110328]
    1. Bacillus subtilis [TaxId: 1423] [110329] (1)
      SQ P39625
  3. Capsule biosynthesis protein SiaC, C-terminal domain [117330]
    1. Neisseria meningitidis [TaxId: 487] [117331] (4)
      SQ Q57265
SET domain [82199] (3)
duplication: the core is composed of two structural repeats similar to (circularly permuted) repeats of AFPIII
also contains a substrate-binding alpha+beta subdomain inserted in the core
uperfamily
1. Histone lysine methyltransferases [82200] (3)
  contains metal-binding preSET and postSET domains
  1. Dim-5 [82201]
    1. Fungus (Neurospora crassa) [TaxId: 5141] [82202] (2)
  2. SET domain of Clr4 [82203]
    ortholog of Dim-5
    1. Fission yeast (Schizosaccharomyces pombe) [TaxId: 4896] [82204] (2)
  3. Histone H3 K4-specific methyltransferase SET7/9 catalytic domain [82205]
    1. Human (Homo sapiens) [TaxId: 9606] [82206] (11)
      SQ Q8WTS6 52-336
2. Viral histone H3 Lysine 27 Methyltransferase [82207] (1)
  consists of SET domain only; dimeric
  1. Viral histone H3 Lysine 27 Methyltransferase [82208]
    1. Paramecium bursaria chlorella virus 1, PBCV-1 [TaxId: 10506] [82209] (3)
3. RuBisCo LSMT catalytic domain [82210] (1)
  1. RuBisCo LSMT catalytic domain [82211]
    1. Garden pea (Pisum sativum) [TaxId: 3888] [82212] (15)
Head decoration protein D (gpD, major capsid protein D) [51274] (1)
uperfamily
1. Head decoration protein D (gpD, major capsid protein D) [51275] (2)
  1. Head decoration protein D (gpD, major capsid protein D) [51276]
    1. Bacteriophage lambda [TaxId: 10710] [51277] (3)
      SQ P03712
    2. Bacteriophage P21 [TaxId: 10711] [117332] (3)
      SQ P36275
Urease, beta-subunit [51278] (1)
uperfamily
1. Urease, beta-subunit [51279] (3)
  1. Urease, beta-subunit [51280]
    1. Klebsiella aerogenes [TaxId: 28451] [51281] (27)
    2. Bacillus pasteurii [TaxId: 1474] [51282] (6)
    3. Helicobacter pylori [TaxId: 210] [69367] (2)
      fused with gamma subunit
MoeA C-terminal domain-like [63867] (1)
uperfamily
1. MoeA C-terminal domain-like [63868] (5)
  1. Molybdenum cofactor biosynthesis protein MoeA, C-terminal domain [63869]
    1. Escherichia coli [TaxId: 562] [63870] (27)
    2. Archaeon Pyrococcus horikoshii, PH0582 [TaxId: 53953] [102009] (1)
    3. Pyrococcus furiosus [TaxId: 2261] [117333] (1)
      SQ Q8U034
    4. Pyrococcus horikoshii, PH1647 [TaxId: 53953] [117334] (1)
      SQ O59354; PH1647
  2. Gephyrin, C-terminal domain [110330]
    1. Rat (Rattus norvegicus) [TaxId: 10116] [110331] (4)
      SQ Q03555 350-768 # structure on the N-terminal domain (1-201) is also known (1ihc; scop_sp 64101)
dUTPase-like [51283] (1)
forms tight trimer through an additional beta-sheet in each subunit
subunit beta-sheets are orthogonally packed around the three-fold axis
uperfamily
1. dUTPase-like [51284] (9)
  1. Deoxyuridine 5'-triphosphate nucleotidohydrolase (dUTPase) [51285]
    1. Escherichia coli [TaxId: 562] [51286] (10)
      SQ P06968
    2. Mycobacterium tuberculosis, rv2697c [TaxId: 1773] [82213] (8)
    3. Human (Homo sapiens) [TaxId: 9606] [102010] (11)
    4. Feline immunodeficiency virus [TaxId: 11673] [51287] (8)
    5. Equine infectious anemia virus [TaxId: 11665] [51288] (2)
    6. Plasmodium falciparum [TaxId: 5833] [141654] (3)
      SQ Q8II92 1-159
  2. Bifunctional dCTP deaminase/dUTPase [89425]
    elaborated fold with additional structures
    1. Archaeon Methanococcus jannaschii [TaxId: 2190] [89426] (5)
      synonym: Methanocaldococcus jannaschii
  3. Deoxycytidine triphosphate deaminase (dCTP deaminase) [117335]
    1. Escherichia coli [TaxId: 562] [117336] (3)
      SQ P28248
  4. Monomeric viral dUTPase [141655]
    related to the trimeric dUTPase domain by domain duplication, fusion and partial deletion; retains only one of the three ancestral active sites
    1. Epstein-barr virus [TaxId: 10376] [141656] (4)
      SQ P03195 121-256! SQ P03195 4-116
      Human herpesvirus 4
Tlp20, baculovirus telokin-like protein [51289] (1)
similar to dUTPase in fold and trimeric assembly
uperfamily
1. Tlp20, baculovirus telokin-like protein [51290] (1)
  1. Tlp20, baculovirus telokin-like protein [51291]
    1. AcMNPV (Autographa californica nuclear polyhedrosis virus) [TaxId: 46015] [51292] (1)