Structural Classification of Proteins
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Family: 5' to 3' exonuclease catalytic domain

contains an alpha-helical arch and additional strand 6 antiparallel to the rest; strand order 321456; similarity to the resolvase-like fold

Lineage:

  1. Root: scop
  2. Class: Alpha and beta proteins (a/b) [51349]
    Mainly parallel beta sheets (beta-alpha-beta units)
  3. Fold: PIN domain-like [88722]
    3 layers, a/b/a; core: parallel beta-sheet of 5 strands, order 32145
  4. Superfamily: PIN domain-like [88723]
    link to SUPERFAMILY database - Superfamily
  5. Family: 5' to 3' exonuclease catalytic domain [53045]
    contains an alpha-helical arch and additional strand 6 antiparallel to the rest; strand order 321456; similarity to the resolvase-like fold

Protein Domains:

  1. T4 RNase H [53046]
    1. Bacteriophage T4 [TaxId: 10665] [53047] (2)
      1. 1tfr picpicxref
        complexed with mg
        1. region a:12-180 [33351] picpiclink
      2. 2ihn picpicxref
        automatically matched to d1tfra2
        mutant
        1. region a:12-180 [147680] picpiclink
  2. 5' to 3' exonuclease domain of DNA polymerase Taq [53048]
    1. Thermus aquaticus [TaxId: 271] [53049] (4)
      1. 1cmw picpicxrefxrefxref
        1. region a:10-173 [33354] picpiclink
      2. 1bgx picpicxrefxrefxrefxrefxrefxrefxref
        1. region t:1-173 [33353] picpiclink
      3. 1taq picpicxrefxrefxref
        complexed with bgl, zn; mutant
        1. region a:10-173 [33352] picpiclink
      4. 1tau picpicxrefxrefxref
        protein/DNA complex; complexed with bgl, zn
        1. region a:10-173 [33355] picpiclink
  3. T5 5'-exonuclease [53050]
    1. Bacteriophage T5 [TaxId: 10726] [53051] (4)
      1. 1xo1 picpicxref
        mutant
        1. region a:19-185 [33356] picpiclink
        2. region b:19-185 [33357] picpiclink
      2. 1exn picpicxref
        mutant
        1. region a:20-185 [33358] picpiclink
        2. region b:20-185 [33359] picpiclink
      3. 1ut8 picpicxref
        complexed with zn
        1. region a:20-185 [99909] picpiclink
        2. region b:20-185 [99911] picpiclink
      4. 1ut5 picpicxref
        complexed with mn
        1. region a:20-185 [99903] picpiclink
        2. region b:20-185 [99905] picpiclink
  4. Flap endonuclease-1 (Fen-1 nuclease) [53052]
    1. Archaeon Methanococcus jannaschii [TaxId: 2190] [53053] (2)
      1. 1a77 picpicxref
        complexed with mg
        1. region a:2-208 [33360] picpiclink
      2. 1a76 picpicxref
        complexed with mn
        1. region a:2-208 [33361] picpiclink
    2. Archaeon Pyrococcus horikoshii [TaxId: 53953] [82436] (1)
      1. 1mc8 picpicxref
        mutant
        1. region a:2-220 [78946] picpiclink
        2. region b:2-220 [78948] picpiclink
    3. Archaeon Pyrococcus furiosus [TaxId: 2261] [53055] (1)
      1. 1b43 picpicxref
        1. region a:1-219 [33362] picpiclink
        2. region b:1-219 [33363] picpiclink
    4. Archaeon Archaeoglobus fulgidus [TaxId: 2234] [102272] (2)
      1. 1rxw picpicxref
        1. region a:3-219 [98060] picpiclink
      2. 1rxv picpicxref
        1. region a:4-219 [98056] picpiclink
        2. region b:4-219 [98058] picpiclink
    5. Human (Homo sapiens) [TaxId: 9606] [142118] (3)
      SQ P39748 2-217
      1. 1ul1 picpicxrefxrefxrefxrefxrefxrefxrefxrefxref
        complexed with mg
        1. region x:2-217 [119691] picpiclink
      2. 1ul1 picpicxrefxrefxrefxrefxrefxrefxrefxrefxref
        automatically matched to 1UL1 X:2-217
        complexed with mg
        1. region y:2-217 [119693] picpiclink
      3. 1ul1 picpicxrefxrefxrefxrefxrefxrefxrefxrefxref
        automatically matched to 1UL1 X:2-217
        complexed with mg
        1. region z:2-217 [119695] picpiclink
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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