The assay procedure can be a single step assay which allows for {HEAD ~ the rapid and reproducible detection} of {TAIL ~ specific cleavage peptides} 
of
The assay procedure can be a single step assay which allows for { HEAD ~ the rapid and reproducible detection } of { TAIL ~ specific cleavage peptides }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL