In a CLEC, {TAIL ~ the entire volume} of {HEAD ~ the luciferase CLEC} would consist of light emitting enzyme 
In a CLEC , { TAIL ~ the entire volume } of { HEAD ~ the luciferase CLEC } would consist of light emitting enzyme
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH