42 



BACTERIOLOGICAL CHEMISTRY 



animal tissues and micro-organisms, can also be split by 

 dilute acid to give a specific protein carrier and either 

 riboflavin-5-phosphoric acid from Warburg's enzyme 



/OH 



CH, o.p4o 



\0H 



HOCH 



HOCH 



I 



HOCH 



I 



CH^ 



N N 



CH. 



CH. 



CO 



N CO 

 or f la vine adenine dinucleotide, 

 OH OH 

 CRoo P-0- P -0-CH2(CHOH)3-CH2-N- 



HOCH O 

 HOCH 

 HOCH 

 CH, 







CH 



N 



CH CH 



I 

 NH,.C 



N N 

 CH3/\/\^\ 



CO 

 NH 



N CO 



from the others as prosthetic groups, 

 sliould l)e remembered, is vitamin Bg 

 factor for many organisms (see p. 111), 

 enzyme can be reconstituted by allowing synthetic 



Riboflavin, it 

 and a growth 

 The " yellow " 



