Amino Acids

Biochemistry · Part 1

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Table of Contents

  1. 1.General Amino Acid Structure
  2. 2.Classification by R-Group Properties
  3. 3.Acid-Base Chemistry of Amino Acids
  4. 4.Isoelectric Point (pI)
  5. 5.Titration Curves
  6. 6.Special Amino Acids
  7. 7.General Formula
  8. 8.Chirality: L and D Amino Acids
  9. 9.Nonpolar / Hydrophobic (9 amino acids)
  10. 10.Polar Uncharged (6 amino acids)

Key Equations

$$\text{H}_2\text{N} - \underset{\displaystyle |}{\overset{\displaystyle \text{R}}{\text{C}}} \text{H} - \text{COOH}$$
$$\text{pH} - \text{p}K_a = 3.34 - 2.34 = 1.00 \implies \frac{[\text{COO}^-]}{[\text{COOH}]} = 10^1 = 10$$
$$\text{pI} = \frac{\text{p}K_{a1} + \text{p}K_{aR}}{2} = \frac{2.09 + 3.86}{2} = 2.98$$
$$\text{pI}_{\text{Glu}} = \frac{\text{p}K_{a1} + \text{p}K_{aR}}{2} = \frac{2.19 + 4.25}{2} = 3.22$$

Equations are rendered with MathJax in the PDF with professional LaTeX typesetting.

Course Context

This PDF is part of the Biochemistry course on CoursesHub.World. Study biochemistry with 100 free video lectures covering amino acids, protein structure, enzyme kinetics, carbohydrates, lipids, and metabolism including glycolysis, the TCA cycle, and oxidative phosp...

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