Homework Answers
Enzymes are divided into six major classes with several subclasses:
a) Oxidoreductases: are involved in oxidation and reduction. Examples: Hydroxylases, oxidases, peroxidases, reductases, oxygenases, dehydrogenases.
b) Transferases: transfer functional groups. Examples: kinases and deaminases.
c) Hydrolases: transfer water; that is, they catalyze the hydrolysis of a sustrate. Examples: proteases, lipases, nucleases.
d) Lyases: add (or remove) the elements of water, ammonia, or carbon dioxide (CO2) to (or from) double bonds. Examples: oxalate decarboxylase, isocitrate lyase.
e) Isomerases: catalyze rearrangements of atoms within a molecule. Examples: racemases, epimerases.
f) Ligases: join two molecules. Examples: DNA ligase.
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Describe six (6) types of enzyme classification based on the types of reaction
What are the different types of enzyme inhibitors, explain with reaction schemes involved
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Draw an arrow mechanism to show the reaction. Based on the illustrated stereochemistry, does the enzyme...
Draw an arrow mechanism to show the reaction. Based on the
illustrated stereochemistry, does the enzyme direct the Br cation
to the top or bottom face of the alkene as drawn?
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1. The following kinetic data was generated for the Hst enzyme. The overall reaction for this...
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Draw an arrow mechanism to show the reaction. Based on the
illustrated stereochemistry, does the enzyme direct the Br cation
to the top or bottom face of the alkene as drawn?
Prelaureatin, a marine natural product, is thought to be biosynthesized from laurediol by the following enzyme catalyzed reaction: "Br+" H -=
1. The following kinetic data was generated for the Hst enzyme. The overall reaction for this enzyme is: OH ОН + NH3 NH2 All reactions are carried out in a final reaction volume of 2 mL with 0.1ug of purified Hst protein present at pH 7.8. The Hst protein has a molecular weight of 90 kDa based on estimates from gel filtration column chromatography and a molecular weight of 45 kDa based on estimates from denaturing SDS PAGE gel electrophoresis....
PROTEINS Classify proteins according to their function, give examples - Aminoacids: Functional groups common to all aminoacids What is the isoelectric point Classification of aminoacids Explain the primary, secondary, tertiary, and cuaternary structure of proteins. Give examples of each Describe the peptide bond Identify the interaction/forces associated to the stabilization of 2°, 3°, and 4° structures. What is an enzyme and what do they do? Classes of enzymes - Explain enzyme-catalyzed reaction - Models of enzyme action - Which factors...
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