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Preliminary crystallographic studies on bovine lactoferrin.

G E Norris, B F Anderson, E N Baker

    Journal of Molecular Biology
    |September 5, 1986
    PubMed
    Summary

    Researchers purified bovine lactoferrin and crystallized it for X-ray analysis. The resulting crystals are stable and suitable for determining the protein

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    Area of Science:

    • Biochemistry
    • Structural Biology
    • Crystallography

    Background:

    • Bovine lactoferrin is a key iron-binding protein with diverse biological functions.
    • Understanding its structure is crucial for elucidating its mechanisms of action.

    Purpose of the Study:

    • To purify bovine lactoferrin.
    • To crystallize the protein for X-ray crystallographic analysis.
    • To obtain preliminary crystallographic data.

    Main Methods:

    • Purification of bovine lactoferrin.
    • Crystallization using a two-phase system at low ionic strength.
    • Preliminary X-ray diffraction data collection.

    Main Results:

    • Successfully purified bovine lactoferrin.

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  • Obtained radiation-stable orthorhombic crystals (space group P2(1)2(1)2(1)).
  • Determined unit cell dimensions (a = 138.4 A, b = 87.1 A, c = 73.6 A) with one molecule per asymmetric unit.

    • Conclusions:

    • The obtained crystals are suitable for medium-resolution X-ray analysis.
    • This work provides a foundation for future structural studies of bovine lactoferrin.