Pfizer Handbook of Microbial Metabolites 450 



Some electron transport poisons are shown. Many 

 other poisons also act by interfering somehow with the 

 function of the electron transport enzymes. 



A lucid, if rather popularized, exposition has been pub- 

 lished of the energy relationships in cell respiration, as 

 well as the gross cell structure involved.'*^ 



913 Holomycin (Des-N-methylthiolutin), CyH^OoNoSo, orange-yellow 



leaflets, m.p. 264-271° (dec). 



O 



NH— C— CH3 



/ 



s — c=c 



s I I 



CH=C C 



H O 



Streptomyces griseus (Krainsky) Waksman et Henrici 

 L. Ettlinger, E. Gaunaann, R. Hiitter, W. Keller-Schierlein, 



F. Kradolfer, L. Neipp, V. Prelog and H. Zahner, Helv. Chim. 



Acta 42 563 (1959). 



914 Thiolutin (Acetopyrrothine, Farcinicin), C8H8O0N0S2, yellow 



crystals, m.p. 260-270° (dec). 



«7 Albert L. Lehninger, Scientific American 202 102-117 (1960). 



