377 Polypeptides and Related Compounds 



787 Gramicidin J,, C44H6.r,0-N{,. 



NH2 



I 

 CH2 



I 

 CH2 



I 



CH2 o 



_— -CH2 S- ^ NH CH 



CH CH 



/ \ 



CH3 



/^y_CH2 y 



■CH2 



/ ^NH Qr^ \ 



CH 



CH 



6 



-CH2 



NH C ^NH2 



\ / O 



>\ D-Phe y 



-^ ^CH ^CH^ 



/ 

 CH 



/ \ 

 CH3 CH3 



Bacillus brevis 



Shokei Otani and Yoshitaka Saito, Proc. Japan. Acad. 30 

 991 (1954). 



Idem., Congr. intern, biochim.. Resumes Communs., 3e 

 Congr., Brussels, 88 (1955). 



