| amino acid | three letter code | single letter code | 
| glycine | Gly | G | 
| alanine | Ala | A | 
| valine | Val | V | 
| leucine | Leu | L | 
| isoleucine | Ile | I | 
| methionine | Met | M | 
| phenylalanine | Phe | F | 
| tryptophan | Trp | W | 
| proline | Pro | P | 
| serine | Ser | S | 
| threonine | Thr | T | 
| cysteine | Cys | C | 
| tyrosine | Tyr | Y | 
| asparagine | Asn | N | 
| glutamine | Gln | Q | 
| aspartic acid | Asp | D | 
| glutamic acid | Glu | E | 
| lysine | Lys | K | 
| arginine | Arg | R | 
| histidine | His | H | 
	
		Yellow amino acids contain sulfur.
		Blue amino acids can be phosphorylated
		.
	
|  
       glycine 
     | 
     
       alanine 
     | 
     
       valine 
     | 
     
       leucine 
     | 
  
 
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| 
         | 
    
         | 
    
         | 
    
         | 
  
|  
           isoleucine 
         | 
         
           methionine 
         | 
         
           phenylalanine 
         | 
      
 
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|  
           | 
         
           | 
         
           | 
      
|  
             tryptophan 
           | 
           
             proline 
           | 
        
 
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|  
             | 
           
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|  
             serine 
           | 
           
             threonine 
           | 
           
             cysteine 
           | 
        
 
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|  
             | 
           
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             | 
        
|  
               tyrosine 
             | 
             
               asparagine 
             | 
             
               glutamine 
             | 
          
 
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|  
               | 
             
               | 
             
               | 
          
|  
                 aspartic 
                  acid  
               | 
               
                 glutamic 
                  acid  
               | 
            
 
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|  
                 | 
               
                 | 
            
|  
                 lysine 
               | 
               
                 arginine 
               | 
               
                 histidine 
               | 
            
 
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                 | 
               
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