Structural Classification of Proteins
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Fold: DNA-binding domain of intron-encoded endonucleases

beta(2)-alpha(2)-beta; 2 layers; 3-stranded antiparallel beta-sheet, order 213; HTH motif; also includes the extra N-terminal, DNA minor groove-binding helix

Lineage:

  1. Root: scop
  2. Class: Alpha and beta proteins (a+b) [53931]
    Mainly antiparallel beta sheets (segregated alpha and beta regions)
  3. Fold: DNA-binding domain of intron-encoded endonucleases [64495]
    beta(2)-alpha(2)-beta; 2 layers; 3-stranded antiparallel beta-sheet, order 213; HTH motif; also includes the extra N-terminal, DNA minor groove-binding helix

Superfamilies:

  1. DNA-binding domain of intron-encoded endonucleases [64496] (1)
    link to SUPERFAMILY database - Superfamily
    1. DNA-binding domain of intron-encoded endonucleases [64497] (2)
      1. DNA-binding domain of intron endonuclease I-TevI [64498]
        contains extra N-terminal zinc-finger domain
        1. Bacteriophage T4 [TaxId: 10665] [64499] (2)
          SQ P13299 149-244
          1. 1i3j picpic
            complexed with zn
            1. chain a [61594] picpiclink
          2. 1t2t picpic
            complexed with zn
            1. chain a [106288] picpiclink
      2. Intron-encoded homing endonuclease I-HmuI [110794]
        1. Bacteriophage SP01 [TaxId: 10685] [110795] (1)
          SQ P34081
          1. 1u3e picpicxref
            complexed with egl, mn, sr, trs
            1. region m:106-174 [107641] 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