KEYS TO ANTIBIOTICS 



159 



Glycine — contin ued 

 bottromycin 

 bryamycin 

 carzinocidin 

 cephalomycin 

 cinnamycin 

 duramycin 

 geomycin 

 matamycin 

 melanomycin 

 mikamycin 

 mycospocidin 

 neocide 

 phalamycin 

 phytoactin 

 phytostreptin 

 telomycin 

 thiostrepton 

 vinactins A, B, and C 



Histidine 



melanomyein 



Isoleucine 

 bryamycin 

 phalamycin 

 phytoactin 

 phytostreptin 

 thiostrepton 



Isoleiicine (D-allo-) 

 actinomycins 



Isoleucine (methyl-) 

 actinomycins 

 duramycin 



Lanthionine 

 duramycin 



Lanthionine (meso-) 

 cinnamycin 



Leucine 



antibiotic 156 

 cephalomycin 



Leucine — contin ued 

 melanomyein 

 phytoactin 

 phytostreptin 

 thiostrepton 



D-Leucine 



etamycin 



Leucine (dimethyl-) 

 antibiotic 6270 

 etamycin (L-/5,X-) 



Lysine 



antibiotic 156 

 carzinocidin 

 neocide 

 thiostrepton 

 vinactins A and B 



^-Lysine 

 geomycin 

 mycothricin 

 racemomycin 

 roseothi'icin 

 streptolins 

 streptothricin 

 viomycin 



Xorvaline 



staphylomycin 



Ornithine 

 duramycin 

 grisein 



Phenylalanine 

 cephalomycin 

 cinnamycin 

 duramycin 

 melanomyein 

 staphylom_vcin 



Phenylalanine (3'-desoxy S'-p-methox}^-) 

 piu'omycin 



Picolinic acid (3 hydroxy-) 

 etamycin 



