Laboratory Guide to Biochemistry, Enzymology, and Protein Physical Chemistry : A Study of Aspartate Transcarbamylase

1 Aspartate Transcarbamylase.- 2 Molecular Genetics: Regulation of Aspartate Transcarbamylase Biosynthesis.- 3 Purification of Aspartate Transcarbamylase and Its Subunits.- 4 Structural and Physicochemical Study of Aspartate Transcarbamylase.- 5 Enzymatic Catalysis and Regulation.- 6 Complementary Experiments.- 1. Equations and Units.- 2. Molar Mass and Molecular Mass.- 3. Units of Catalytic Activity.- 4. Units of Radioactivity.- 5. Units of Quantity.- 7. Calculation of Acceleration.- 8. Bacterial Strains.- 9. Solutions and Reagents.- 9.1. 0.8-M Tris-Acetate Buffer, pH 8.- 9.2. 0.2-M Acetic Acid.- 9.6. Elution Buffer for Chromatography: 10 × Stock Solution.- 9.7. 100-mM Aspartate, pH 8.- 9.8. 10-mM Carbamylaspartate, pH 8.- 9.9. 1-M Phosphate Buffer, pH 7.2.- 9.10. Buffer for Dilution of E.- 9.11. Buffer for Dilution of C.- 9.12. Buffer for Dilution of R and Recombination.- 9.13. 200-mM Cacodylate Buffer, pH 6, 7, and 7.5.- 9.14. 200-mM Tris-Acetate Buffer, pH 8 and 9.- 9.15. 200-mM Glycine Buffer, pH 10.- 9.16. 400-mM Succinate, pH 7.- 9.17. Reaction Medium: 20-mM CAP-200-mM Tris-Acetate, pH 8.- 10. Preparation of Standard Protein Mixtures for Column Calibration.- Answers To Questions.- References.