397 Polypeptides and Related Compounds 



R. K. Callow and T. S. Work, Biochem. J. 51 558 (1952). 



847 Carcinomycin, dark green, amorphous. 



A polypeptide antibiotic. Sulfur-free. 

 Streptornyces carcinomyciciis 



Shogo Hosotani and Momoe Soeda, Japanese Patent 6893 

 (1959). (Chem. Abstr. 54 831g) 



848 Carcinocidin, [oc]u'^ —20° (c 1 in water). 



A polypeptide antibiotic, containing cystine, lysine, 

 glycine and glutamic acid. Molecular weight >6000. 



Streptornyces kitazazvaensis 



This organism also produces antimycin A. 



F. Okamoto, Shigeo Kubo, Takahashi Nara and Shiro Ta- 

 naka, Jap. Patent Appl. 6894 (1959). (Chem. Abstr. 54 832c) 



849 Melanomycin (Sodium Salt), brown, amorphous powder. 



A polypeptide antibiotic yielding on hydrolysis : phenyl- 

 alanine, leucine, valine, proline, alanine, glutamic acid 

 and histidine. 



Streptornyces melanogenes 



Fujiki Hata, Ryozo Sugawara, Akihiro Matsumae and Taka- 

 moto Sano, Japanese Patent 5899 (1959). {Chem. Abstr. 54 

 833b) 



850 Notatin (Penicillin B, Penatin), buff colored powder, water sol- 



uble, [ajn'" -4.8° (c 0.012 in water). 



A fiavoprotein enzyme (glucose-oxidase), molecular 

 weight about 152,000. 



PenicilliuTn notatum, other Penicillium spp. 



R. Cecil and A. G. Ogston, Biochem. J. 42 229 (1948). 



