5.07SC | Fall 2013 | Undergraduate

Biological Chemistry I

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Lecture Topics

  • What is Life?
  • Cellular Components: Water and Amino Acids
  • The Importance of Chirality

Readings

  • Chapter 1: Introduction to the Chemistry of Life
  • Chapter 2: Water
  • Chapter 4: Amino Acids

Lecture Notes

Problem Set & Solutions

Problem Solving Video: Problem Set 1, Problem 1: Sizes and Equilibria

This problem is designed to give students a better intuition about the scales and dimensions of the cellular environment. Dr. Fedeles uses the examples of eukaryotic red blood cells and prokaryotic staph aureus cells to explore these ideas.

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Lecture Topics

  • Peptide Bond Formation
  • Hierarchy in Protein Structure with Hemoglobin(Hb) as an Example
  • How we get from Primary to Secondary Structures
  • Tertiary and Quaternary Structures

Readings

  • Chapter 5: Proteins: Primary Structure
    • Polypeptide Diversity
    • Protein Purification and Analysis
    • Protein Sequencing
  • Chapter 6: Proteins: Three-Dimensional Structure
    • Secondary Structure
    • Tertiary Structure
    • Quaternary Structure and Symmetry
    • Protein Stability
    • Protein Folding
  • Chapter 7: Protein Function: Myoglobin and Hemoglobin, Muscle Contraction, and Antibodies
    • Oxygen Binding to Myoglobin and Hemoglobin

Lecture Notes

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Lecture Topics

  • Definition of a Catalyst
  • Conceptualization of Catalysis using Transition State Theory
  • How has Nature Evolved Enzymes to Lower the Activation Barrier?
  • The Second Important Property of Enzymes is their Specificity

Readings

  • Chapter 11: Enzymatic Catalysis
    • General Properties of Enzyme
    • Activation Energy and the Reaction Coordinate
    • Catalytic Mechanisms
    • Serine Proteases

Lecture Video: Enzymes and Catalysis

In this classroom lecture, Professor Stubbe focuses on enzymes as catalysts. She describes the theory and mechanics of catalysis and explains why enzymes are so important.

Lecture Notes

Problem Set & Solutions

Problem Solving Video: Problem Set 2, Problem 1: Primary Structure

This problem is about elucidating the primary structure of a protein. Dr. Fedeles uses traditional chemical methods to analyze the data and produce a big picture result. This is the very same process by which discoveries are made.

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Lecture Topics

  • Enzymatic Reactions and Chemically Catalyzed Reactions vs. Uncatalyzed Chemical Reactions
  • Inhibitors of Enzyme Reactions

Readings

  • Chapter 12: Enzyme Kinetics, Inhibition, and Control
    • Reaction Kinetics
    • Enzyme Inhibition
    • Control of Enzyme Activity

Lecture Notes

Problem Set & Solutions

Problem Solving Video: Problem Set 3, Question 2: Proteases: Mechanisms of inhibition

In this problem, Dr. Fedeles explores the mechanisms of inhibition enzymes, in this case, proteases. In particular, it deals with possible mechanisms of inhibition of Interleukin Converting Enzyme (ICE).

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Lecture Topics

  • Review of Carbonyl Chemistry
  • Aldol Reaction
  • Claisen Reaction
  • Prenyl Transfer Reaction

Readings

  • Chapter 14: Introduction to Metabolism
    • Oxidation Reduction Reaction
    • Experimental Approaches to the Study of Metabolism

Lecture Notes

Lecture Video: Carbonyl Chemistry

One of the most diverse chemical groups is the carbonyl – a carbon atom double-bonded to an oxygen atom. This video summarizes some of the most important carbonyl reactions discussed in this course.

Problem Set & Solutions

Problem Solving Video: Problem Set 4, Problem 2: The Mechanism of HMG-CoA Synthase

In this video, Dr. Fedeles discusses in detail the mechanism of HMG-CoA Synthase. HMG-CoA is a key enzyme in central metabolism responsible for making the 5-carbon building blocks from which all sterols, such as cholesterol and steroid hormones, are made.

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Lecture Topics

  • Phosphorylation in vivo
  • Phosphate Chemistry
  • ATP
  • Mechanism of Phosphoryl Transfer with ATP
  • Use of ATP in vivo
  • ATP as the Energy Currency of the Cell

Readings

  • Chapter 18: Electron Transport and Oxidative Phosphorylation
    • Electron Transport

Lecture Notes

Problem Set & Solutions

Problem Solving Video: Problem Set 5, Problem 5: How Mannose, an Isomer of Glucose, Enters Glycolysis

This problem is about sugar biochemistry. Specifically, it deals with how mannose, an isomer of glucose, gets to enter metabolism by being converted into fructose-6-phoshate.

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Course Info

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Fall 2013
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Lecture Videos
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Problem Sets with Solutions
Lecture Notes
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