The invention further relates to screening {TAIL ~ methods} for identifying {HEAD ~ binding partners} of the polypeptides 
The invention further relates to screening { TAIL ~ methods } for identifying { HEAD ~ binding partners } of the polypeptides
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH