Structural Classification of Proteins
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Fold: IF3-like

beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest

Lineage:

  1. Root: scop
  2. Class: Alpha and beta proteins (a+b) [53931]
    Mainly antiparallel beta sheets (segregated alpha and beta regions)
  3. Fold: IF3-like [55199]
    beta-alpha-beta-alpha-beta(2); 2 layers; mixed sheet 1243, strand 4 is antiparallel to the rest

Superfamilies:

  1. Translation initiation factor IF3, C-terminal domain [55200] (1)
    link to SUPERFAMILY database - Superfamily
    1. Translation initiation factor IF3, C-terminal domain [55201] (3)
      1. Translation initiation factor IF3, C-terminal domain [55202]
        1. Bacillus stearothermophilus [TaxId: 1422] [55203] (1) picpic
        2. Escherichia coli [TaxId: 562] [55204] (1) picpic
        3. Thermus thermophilus [TaxId: 274] [64306] (1) picpic
  2. YhbY-like [75471] (1)
    link to SUPERFAMILY database - Superfamily
    1. YhbY-like [75472] (3)
      Pfam 01985
      1. hypothetical protein YhbY [75473]
        1. Escherichia coli [TaxId: 562] [75474] (1) picpic
      2. YhbY homologue HI1333 [82702]
        1. Haemophilus influenzae [TaxId: 727] [82703] (1) picpic
      3. Hypothetical protein SAV1595 [111025]
        1. Staphylococcus aureus, (strain Mu50 / ATCC 700699) [TaxId: 1280] [111026] (1) picpic
          SQ Q99TQ4
  3. SirA-like [64307] (1)
    link to SUPERFAMILY database - Superfamily
    1. SirA-like [88852] (4)
      predicted redox protein, regulator of disulfide bond formation
      1. SirA [64309]
        implicated in cell division
        1. Escherichia coli [TaxId: 562] [64310] (1) picpic
          formerly hypothetical protein YhhP
      2. Hypothetical protein Ta1170/Ta1414 [89971]
        1. Archaeon Thermoplasma acidophilum [TaxId: 2303] [89972] (1) picpic
      3. hypothetical protein YedF (EC005) [75475]
        1. Escherichia coli [TaxId: 562] [75476] (1) picpic
      4. Hypothetical protein TM0983 [69751]
        1. Thermotoga maritima [TaxId: 2336] [69752] (1) picpic
  4. AlbA-like [82704] (2)
    link to SUPERFAMILY database - Superfamily
    1. DNA-binding protein AlbA [82705] (4)
      1. DNA-binding protein AlbA [82706]
        an archaeal chromatin protein modulated by acetylation, a Sir2 substrate
        1. Archaeon Sulfolobus solfataricus, Sso10b1 [TaxId: 2287] [82707] (4) picpic
          gene SSO0962 (AlbA1)
        2. Archaeon Sulfolobus solfataricus, Sso10b2 [TaxId: 2287] [103058] (5) picpic
          gene SSO6877 (AlbA2)
        3. Archaeon Archaeoglobus fulgidus [TaxId: 2234] [103059] (2) picpic
          gene AF1956
        4. Archaeon Methanococcus jannaschii [TaxId: 2190] [103060] (1) picpic
    2. Hypothetical protein At2g34160 [111027] (1)
      1. Hypothetical protein At2g34160 [111028]
        1. Thale cress (Arabidopsis thaliana) [TaxId: 3702] [111029] (3) picpic
          SQ O22969 19-117
  5. C-terminal domain of ProRS [64586] (1)
    contains a metal (zinc)-binding site
    link to SUPERFAMILY database - Superfamily
    1. C-terminal domain of ProRS [64587] (3)
      1. C-terminal domain of ProRS [64588]
        1. Thermus thermophilus [TaxId: 274] [64589] (4) picpic
        2. Arhaeon (Methanothermobacter thermautotrophicus) [TaxId: 145262] [89973] (4) picpic
        3. Archaeon (Methanocaldococcus jannaschii) [TaxId: 2190] [89974] (1) picpic
  6. R3H domain [82708] (1)
    possibly lacks the N-terminal strand of the common fold
    link to SUPERFAMILY database - Superfamily
    1. R3H domain [82709] (3)
      Pfam 01424; predicted nucleic acid-binding domain
      1. SmuBP-2 [82710]
        1. Human (Homo sapiens) [TaxId: 9606] [82711] (1) picpic
      2. Poly(A)-specific ribonuclease PARN [111030]
        1. Mouse (Mus musculus) [TaxId: 10090] [111031] (1) picpic
          SQ Q8VDG3 162-248; structure of an RNA-binding domain (430-516) is also known: 1WHV
      3. R3H domain protein KIAA1002 [118015]
        1. Human (Homo sapiens) [TaxId: 9606] [118016] (1) picpic
          SQ Q9Y2K5 133-343
  7. EPT/RTPC-like [55205] (2)
    link to SUPERFAMILY database - Superfamily
    1. RNA 3'-terminal phosphate cyclase, RPTC [55206] (1)
      duplication: 3 repeats of this fold are packed together around the pseudo threefold axis
      1. RNA 3'-terminal phosphate cyclase, RPTC [55207]
        also contains an insert alpha+beta domain of the thioredoxin-like topology
        1. Escherichia coli [TaxId: 562] [55208] (2) picpic
    2. Enolpyruvate transferase, EPT [55209] (4)
      duplication: 6 repeats of this fold are organized in two RPTC-like domains
      1. UDP-N-acetylglucosamine enolpyruvyl transferase (EPT, MurA, MurZ) [55210]
        1. Escherichia coli [TaxId: 562] [55211] (2) picpic
        2. Enterobacter cloacae [TaxId: 550] [55212] (11) picpic
          SQ P33038
      2. 5-enol-pyruvyl shikimate-3-phosphate (EPSP) synthase [55213]
        1. Escherichia coli [TaxId: 562] [55214] (12) picpic
          SQ P07638
        2. Streptococcus pneumoniae [TaxId: 1313] [103061] (3) picpic
  8. SMR domain-like [160443] (1)
    1. Smr domain [160444] (1)
      Pfam 01713
      1. Nedd4-binding protein 2 [160445]
        1. Human (Homo sapiens) [TaxId: 9606] [160446] (1) picpic
          SQ Q86UW6 1688-1770
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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