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