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Crystallization and preliminary crystallographic analysis of the archaeal intron-encoded endonuclease I-DmoI

  1. Author:
    Dalgaard, J. Z.
    Silva, G. H.
    Belfort, M.
    Van Roey, P.

  2. Author Address

    Dalgaard JZ NCI, Frederick Canc Res & Dev Ctr, ABL Basic Res Program POB,Bldg 549 Room 154 Frederick, MD 21702 USA New York State Dept Hlth, Wadsworth Ctr Albany, NY 12201 USA SUNY Albany, Sch Publ Hlth, Dept Biomed Sci Albany, NY 12201 USA
    1. Year: 1998
  2. Journal: Acta Crystallographica Section D-Biological Crystallography
    1. 54
    2. Part 6 Special Issue S2
    3. Pages: 1435-1436
  4. Type of Article: Article
  1. Abstract:

    Two forms of the archaeal intron-encoded site-specific endonuclease I-DmoI, namely I-DmoIc and I-DmoIl, have been purified and crystallized. Crystals of I-DmoIc are rod-shaped and diffract to 3.0 Angstrom resolution, but further analysis was hampered by twinning. Crystals of I-DmoIl, which is a six-amino-acid C-terminal truncation of I-DmoIc, are plate shaped and belong to space group C2 with cell parameters a = 93.72, b = 37.03, c = 55.56 Angstrom, beta = 113.4 degrees, with one molecule per asymmetric unit (V-m = 2.01 Angstrom(3) Da(-1)). The crystals diffract to at least 2.3 Angstrom resolution. A complete native data set has been measured and structure determination is on-going. [References: 16]

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