Amino acid content

• What group does alanine belong to?

  Aliphatic
• What group does glycine belong to?

  Aliphatic
• What group does leucine belong to?

  Aliphatic
• What group does isoleucine belong to?

  Aliphatic
• What group does proline belong to?

  Aliphatic
• What group does valine belong to?

  Aliphatic
• Phenylalanine group

  Aromatic
• Tryptophan group

  Aromatic
• Tyrosine group

  Aromatic
• Aspartic acid group

  Acidic
• Glutamic acid group

  Acidic
• Arginine group

  Basic
• Histidine group

  Basic
• Lycine group

  Basic
• Serine group

  Hydroxylic
• Threonine group

  Hydroxyl
• Cysteine group

  Sulphur-containing
• Methionine group

  Sulphur-containing
• Asparagine group

  Amidic
• Glutamine group

  Amidic
• 22nd amino acid name, 3 letter code?

  Hydroxyproline, Hyp
• How are polypeptides oriented?

  The free amine is on the left and the free carboxyl is on the right
• Alanine 3 letter code 


  Ala
• Arginine 3 letter code

  Arg
• Asparagine 3 letter code


  Asn
• Aspartic acid 3 letter code 


  Asp
• Cysteine 3 letter code

  Cys
• Glutamic acid 3 letter code

  Glu
• Glutamine 3 letter code

  Gln
• Glycine 3 letter code


  Gly
• Histidine 3 letter code


  His
• Hydroxyproline code 


  Hyp
• Isoleucine 3 letter code

  Ile
• Leucine 3 letter code 


  Leu
• Lysine 3 letter code 


  Lys
• Methionine 3 letter code

  Met
• Phenylalanine 3 letter code

  Phe
• Proline 3 letter code 


  Pro
• Serine 3 letter code


  Ser
• Threonine 3 letter code 


  Thr