By {TAIL ~ cross} linking {HEAD ~ members} of the complex, it is possible to separate out the cross linked components, and then to decouple the cross linked components without altering their structure in order to analyze them 
By { TAIL ~ cross } linking { HEAD ~ members } of the complex , it is possible to separate out the cross linked components , and then to decouple the cross linked components without altering their structure in order to analyze them
OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH