533 



Purines 



e © 



OOC— CH2— CH— coo 



I 



NH, 



HN 





©O3POCH2 





Aspartate GDP 



+ GTP +HP04^ 



OH OH 

 Inosinic Acid 



MgO 



•^3POCH2 



DPN® 



+ HjO ^ 



DPNH 

 +H© 



:® 



)>L^ 



OH OH ^^ 



Adenylosuccinic Fumarote 



Acid 



NH2 



©O3POCH2 



*/0 



OH OH 

 Adenylic Acid 



HN 



O H 



©O3POCH 



OH OH 



OH 



Xanthylic 

 Acid 



Glutamine, Glutamate, 

 ATP, H2O AMP, HP2O7© 



NHj, ATP AMP, HP2O7S 



N' ir % 



H2N 



©O3POCH2 



OH OH 



Guanylic 

 Acid 



