Expression, purification, crystallization and preliminary X-ray analysis of two arginine-biosynthetic enzymes from Mycobacterium tuberculosis
Journal Article
·
· Acta Crystallographica. Section F
- Protein Structure and Function Group, Department of Biochemistry, University of Alberta, Edmonton, Alberta T6G 2H7 (Canada)
Two enzymes responsible for arginine biosynthesis in M. tuberculosis were expressed in Escherichia coli, then purified to homogeneity. Preliminary X-ray analysis of diffraction-quality crystals grown from each enzyme are reported. The gene products of two open reading frames from Mycobacterium tuberculosis (Mtb) have been crystallized using the sitting-drop vapour-diffusion method. Rv1652 encodes a putative N-acetyl-γ-glutamyl-phosphate reductase (MtbAGPR), while the Rv1656 gene product is annotated as ornithine carbamoyltransferase (MtbOTC). Both MtbAGPR and MtbOTC were expressed in Escherichia coli, purified to homogeneity and crystallized. Native data for each crystal were collected to resolutions of 2.15 and 2.80 Å, respectively. Preliminary X-ray data are presented for both enzymes.
- OSTI ID:
- 22356368
- Journal Information:
- Acta Crystallographica. Section F, Journal Name: Acta Crystallographica. Section F Journal Issue: Pt 10 Vol. 62; ISSN ACSFCL; ISSN 1744-3091
- Country of Publication:
- United Kingdom
- Language:
- English
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