Dithiothreitol is the most preferred reducing agent; {HEAD ~ preferred reducing agents} are dithioerythritol and {TAIL ~ lipoic acid} 
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Dithiothreitol is the most preferred reducing agent ; { HEAD ~ preferred reducing agents } are dithioerythritol and { TAIL ~ lipoic acid }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL