PROTEINS 



77 



CH 3 CH 2 CH 2 CH,CHNH 2 COOH 



CH, 





CH CH 2 CHNH 2 COOH 



CH. 



CH, CH 9 



CH. 



\ 



( 



/ 



CH CHNH.COOH 



5. Caprine 



6. Leucine 



7. Isoleucine 



8. Serine 



9. Cystein 



10. Cystin 



B. Monoamino dicarboxylic acids. 



11. COOH 12. COOH 



CH 2 CH 2 



HNH, CH 2 



CHNH 2 



CH 2 OH 

 CHNH 2 

 COOH 



CH 2 SH 



CHNH 2 

 COOH 



CH 2 S S CH 2 



CHNH 2 CHNH 2 

 COOH COOH 



C 



COOH 

 Aspartic 



COOH 



Glutamic 



