8061
3. SMX -NHOH and SMX -NO were rapidly reduced back to the parent compound by cysteine ( CYS ), GSH , human peripheral blood cells and plasma, suggesting that this is an important and ubiquitous bioinactivation mechanism .
 ( protein: ubiquitous, None) , ( cell type: human peripheral blood cells, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: ubiquitous, None) , ( cell type: human peripheral blood cells, None) 