The 20 Amino Acid Names and their structures.

There are 20 different amino acids commonly occurring in nature..
Polar amino acids include:-
The hydrophobic amino acids include:-

• alanine 
• arginine 
• asparagine 
• aspartic acid 
• cysteine 
• glutamine 
• glutamic acid 
• glycine 
• histidine - 
• isoleucine 
• leucine 
• lysine 
• methionine 
• phenylalanine 
• proline 
• serine 
• threonine 
• tryptophan 
• tyrosine 
• valine 

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