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  • Title: Protein preparation, crystallization and preliminary X-ray crystallographic analysis of N-acetylglutamate kinase from Streptococcus mutans.
    Author: Wu CW, Li LF, Liu X, Gao XZ, Lei J, Su XD, Zhao X, Liang YH.
    Journal: Protein Pept Lett; 2008; 15(5):541-3. PubMed ID: 18537747.
    Abstract:
    The N-acetylglutamate kinase from Streptococcus mutans was expressed in Escherichia coli in soluble form and purified to homogeneity. Crystals suitable for X-ray diffraction were obtained by hanging-drop vapor diffusion method and diffracted to 2.06 A. The crystal belonged to space group P2(1)2(1)2, with unit cell parameters a = 57.19 A, b =94.76 A, c =47.58 A. The gel filtration and initial phasing results showed that the enzyme exists as a monomer, which is different from previously reported N-acetylglutamate kinases.
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