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Amino Acids, Peptides, and Proteins: Structure, Properties, and Function

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Proteins

Amino Acid Groups

Nonpolar Amino Acids

Aromatic Amino Acids

Polar Amino Acids

Charged Amino Acids

Zwitterion

Non-Ionizable Vs. Ionizable R-Groups

Isoelectric Point

Isoelectric Point of Amino Acids with Ionizable R-Groups

Peptide Bond

Primary Structure of Protein

Alpha Helix

Alpha Helix

Beta Strand

Beta Sheet

Antiparallel and Parallel Beta Sheets

Beta Turns

Tertiary Structure of Protein

Quaternary Structure