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Nature of Proteins Effect of pH on solubility, denaturing proteins, hydrolysis in strong base, binding to coomassie blue, dying wool and cotton, gel filtration column, reaction of ninhydrin with amino acids and precipitating protein with ammonium sulfate are demonstrated.
Proteins / Peptides
Protein Reactions Curdling milk, decomposition of hydrogen peroxide by catalase, glucose oxidase activity, hydrolyzing of sucrose with invertase, and using an enzyme to halt the Briggs-Rauscher reaction are demonstrated. Inhibiting the enzyme HIV-1 protease may slow the spread of AIDS.
Nature's Way To Make the LantibioticsHeather A. Relyea and Wilfred A. van der Donk This article focuses on one class of antimicrobial compounds, the lantibiotics, and discusses their biosynthetic pathways as well as their molecular mode of action. In the course of the review, the meaning of the terms regio-, chemo-, and stereoselectivity are discussed. Relyea, Heather A.; van der Donk, Wilfred A. J. Chem. Educ.2006, 83, 1769.
Applications of Chemistry |
Bioorganic Chemistry |
Biotechnology |
Biosynthesis |
Catalysis |
Drugs / Pharmaceuticals |
Proteins / Peptides
Amino AcidsWilliam F. Coleman The Featured Molecules this month are the 20 standard alpha-amino acids found in proteins. The molecules are presented in two formats, the neutral form and the ionized form found in solution at physiologic pH. Coleman, William F. J. Chem. Educ.2006, 83, 1103.
Amino Acids |
Proteins / Peptides |
Molecular Properties / Structure |
Molecular Modeling |
Molecular Mechanics / Dynamics
Glycosyltransferases A and B: Four Critical Amino Acids Determine Blood TypeNatisha L. Rose, Monica M. Palcic, and Stephen V. Evans Human A, B, and O blood type is determined by the presence or absence of distinct carbohydrate structures on red blood cells. In this review the chemistry of the blood group ABO system and the role of glycosyltransferase A, glycosyltransferase B, and the four amino acids critical to determining blood group status are discussed. Rose, Natisha L.; Palcic, Monica M.; Evans, Stephen V. J. Chem. Educ.2005, 82, 1846.
ChemPaths 104 W Feb 2John W. Moore Today in Chem 104:
* Lecture: Biochemistry: Proteins
* Reading: Biomolecules Tutorials
o Proteins 1 (including debriefing)
o Proteins 2 (including debriefing)
o Quiz due TODAY, 11:55 PM)
* Homework #3 due by 11:55pm F Feb 4.
Proteins / Peptides |
Amino Acids
Limiting Reagent Protein NutritionEd Vitz A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.