The following material is adapted from the excellent Amino Acid Site constructed by Vera Heinau and Burkhard Kriste,
Freien Universitat Berlin. Note that the amino acid names are linked to further information. 
Name	         Abbr.	      Condensed structural formula
____________________________________________________________


Alanine	         ala    a	       CH3-CH(NH2)-COOH



Arginine         arg    r      HN=C(NH2)-NH-(CH2)3-CH(NH2)-COOH



Asparagine       asn    n	       H2N-CO-CH2-CH(NH2)-COOH



Aspartic acid    asp    d		 HOOC-CH2-CH(NH2)-COOH



Cysteine         cys    c		   HS-CH2-CH(NH2)-COOH



Glutamine        gln    q	    H2N-CO-(CH2)2-CH(NH2)-COOH



Glutamic acid    glu    e	      HOOC-(CH2)2-CH(NH2)-COOH



Glycine	         gly    g			  NH2-CH2-COOH



Histidine        his    h	   NH-CH=N-CH=C-CH2-CH(NH2)-COOH
			            |__________|



Isoleucine       ile    i	  CH3-CH2-CH(CH3)-CH(NH2)-COOH



Leucine	         leu    l	    (CH3)2CH-CH2-CH(NH2)-COOH



Lysine	         lys    k	       H2N-(CH2)4-CH(NH2)-COOH



Methionine       met    m	     CH3-S-(CH2)2-CH(NH2)-COOH



Phenylalanine    phe    f		   Ph-CH2-CH(NH2)-COOH



Proline	         pro    p		     NH-(CH2)3-CH-COOH
				              |_________|



Serine	         ser    s		   HO-CH2-CH(NH2)-COOH



Threonine        thr    t	       CH3-CH(OH)-CH(NH2)-COOH



Tryptophan       trp    w	   Ph-NH-CH=C-CH2-CH(NH2)-COOH
		        	    |________|



Tyrosine         tyr    y	      p-HO-Ph-CH2-CH(NH2)-COOH



Valine	         val    v	      (CH3)2CH-CH(NH2)-COOH

Structural Formulas