APPENDIX I 



Riboflavin 



O 

 II 



HN NH 



HC— CH 

 I I 



CH3 O 



I ' II 



CHoOHCCHOH-ONH-CHjCHjCOOH 



I 

 CH3 



Pantothenic acid 



NH 



o 



COOH 



N 



CONH. 



p-Aminobenzoic 

 acid 



Nicotinarr.ido 



C-NH2 X 

 I II I I 



CH3 C. CH C^ / 



\ CH3 C-CH2CH2OH 



HjC CH{CH2)4COOH 



Biotin Aneurln (Thiamine) 



Figure 1 . Some of the vitamins — substances essential to life. 



CH 



HC^ \-CONH2 

 I! I 



Gcid amide u^ q 



Nicotinic 



d-Ribose 



HC 



I 

 HCOH 



I O 



HCOH 



HC 

 I 



N=CH-N 



I II 



C=C— C— NH, 



I I 



N N Adenine 



I CH 

 HC 



I 

 HCOH 



I 6 d-Ribose 



HCOH 



OH HC- 

 I 



CHo— O — P — O— P-O-CH2 



II II 



O o 



Phosphoric acid 



(2 mols.) 



Figure 2. Structual formula of co-enzyme I. ATP consists of the 

 right-hand side (adenine and J-ribose) combined with three mols 



of phosphoric acid. 



