Amino Acids

Amino Acids

1. 1-with aliphatic side chain

   • a_Glycine (Gly or G)
   • b-Alanine (Ala or A)
   • c-Valine (Val or V)
   • d-Leucine
   • e-Isoleucine

2. 2-with aliphatic side chain containing OH group

   • a-serine (ser or s)
   • b-Threonine (Thr or T)

3. 3-with aliphatic side chain containing sulfur atoms

   • a-Cysteine (Cys or C)
   • b-cystine
   • c-Methionine (Met or M)

4. 4-with side chains containing acidic or amidic groups

   • a-aspartic acid (Asp or D)
     • b-asparagine (Asn or N)
   • c-Glutamic Acid (Glu or E)
     • d-Glutamine (Gln or Q)

5. 5-with side chains containing basic groups

   • a-Arginine (Arg or R)
   • b-Lysine (Lys or K)
     • c-Hydroxy lysine
   • d-Histidine (His or H)

6. 6-with side chains containing aromatic ring

   • a-Phenylalanine (Phe or F)
   • b-Tyrosine (Tyr or Y)
   • c-Tryptophan (Trp or W)

7. **7-Imino Acids

   • b-proline (Pro or P)
     • a-Hydroxy proline