Dual membrane spanning anti sigma factors regulate vesiculation in Bacteroides thetaiotaomicron PNAS Molecular basis for the enzymatic inactivity of class III glutaredoxin ROXY9 on standard glutathionylated substrates Nature Communications GLUTATHIONE REDUCTASE BY HEMIN Rebecca L. Aft* and Gerald C. Mueller** McArdle Laboratory for Cancer Research The University of Glutathione reduced ethyl ester = 90 TLC 92614 59 0