218 



UNITY AND DIVERSITY IN BIOCHEMISTRY 



CHaNH2 



I 

 (CH2)s 



I 



CHNHj 

 I 

 COOH 



®i 11® 



CHjNHAc 

 I 



(CH2)9 



CHNHj 

 I 

 COOH 



®\ 1© 



Lv<inf 



Nj=z Neurospora 

 k)= Rat 



COOH 



®1|® 



CHO 



I 

 (CHj), 



I 

 CHNHAc 



I 

 COOH 



.@. 



© ':°°" Qy 



COOH 



• (CH,)3 - 



L CN 



N-acetyl a-aminoadipic- 

 e-semialdehyde 



CHNHj 



COOH 



a — aminoadipic acid 



(CH2)a 

 I 



c = o 



I 

 COOH 



■* glutaric acid 



® 



a— ketogluttric 

 acid 



Fig. 51 (after Work) — Degradation of lysine. 



