82 



IMMUNO-CATALYSIS 



Amino Acids With Hydrophobic Side Groups 



NH2 

 Glycine (glycocoll, amino-acetic hOOC— C H 



acid) 



H 



NH, 



l(-j-)-Alanine (o-amino-propionic HOOC C— CH 



acid) I 



H 



l(-|-)-Valine (a-amino-isovaleric 

 acid) 



NH2 H 



HOOC— C C— CH3 



I I 



H CH3 



NHo H 



l(+)-Isoleucine (^-methyl-a-amino- jjoOC— C C— CH2CH3 



valeric acid) | | 



H CH3 



NH2 H 



lC-)-Leucine (a-amino-isocaproic jjOOC— C— CH2— C— CH3 



acid) I I 



H CH3 



NH2 



Norleucine (a-amino-caproic hOOC— C-CH2CH2CH2CH3 



acid) I 



H 



1(— )-Phenylalanine (/3-phenyl- 

 a-amino-propionic acid) 



NH2 



I 

 HOOC— C— CH2— < 



I 

 H 



CH2 CH2 



1 (— )-Proline (pyrrolidine-2-car- 

 boxylic acid) 



HOOC— C 



CH, 



N 



I 



H 



