Skeletal Amino Acids

• Glutamine - Glu - Q

  
• Asparagine - Asn - N

  
• Methionine - Met - M

  
• Cysteine - Cys - C

  
• Lysine - Lys - K - amine pKa ~ 10.5

  
• Phenylalanine - Phe - F

  
• Proline - Pro - P