575 Unclassified Metabolites 



Valine, leucine, proline, aspartic, glutamic, D-tyrosine 

 and ornithine produced after hydrolysis. 

 Bacillus suhtilis 

 Yuzuru Tanaka, J. Antibiotics (Japan) 9B 1 (1956). 



1079 Antibiotic C-159. 



U.V. 260-280, 345 m^x in aqueous solution. 

 C 58.7, H 7.4, N 9.9, O 24.0 



Inhibits growth of organisms containing glycine, ala- 

 nine, threonine, aspartic acid. 

 Streptojiiyces caiius 

 Bristol Laboratories, British Patent 814,794 (1959). 



1080 Antibiotic D-13, dense crystals, m.p. 243°. 



C 56.91, H 6.97, O 22.61, N 13.51. 



Streptomyces vinaceus-drappiis 



Upjohn Co., British Patent 708,686 (1954). 



1081 Antibiotic E-212, colorless needles, m.p. 233-234°. 



U.V. 235, 273 m/x in 0.1 N hydrochloric acid. C 49.14, 

 H 4.34, N 23.77, O 22.55 



Negative ninhydrin, biuret, Fehling, FeClj, Molisch, 

 Millon and Ehrlich. 



Streptomyces sp. like S. albus 



Ko Kikuchi, J. Antibiotics (Japan) 8A 145 (1955). 



1082 Antibiotic LA-7017, greenish yellow powder, m.p. 154-157° 



(dec), [aj,r' —155° (c 0.4 in ethanol). 



Contains only C, H, O (C 56.99, H 7.18). Contains 

 two acidic groups, Equiv. Wt. = 1180. Decolorized 

 KMn04. Negative Fehling's test. 



Streptomyces sp. 7017 



P. Sensi, A. M. Greco and H. Pagani, Antibiotics and Chemo- 

 therapij 8 241 (1958). 



1083 Antibiotic M-4209, C4„-4i;Hfi-.7,0,,;N, white crystals m.p. 210- 



214° (dec), [a],r' -54 ± 2° (c 1 in methanol), U.V. 240, 

 330 ruii. 



Methoxyl, acetyl and iso-valeryl groups present. 



Streptomyces hygroscopicus 



James D. Dutcher, John Vandeputte, Sidney Fox and L. J. 

 Heuser, Antibiotics and Chemotherapy 3 910 (1953). 



1084 Antibiotic WC 3628, C4.H7..iO,fiN, white crystals, m.p. 220-222° 



(Kofler), [a]D"-57±3° (c 0.5 in ethanol). 



