The method 1, wherein {HEAD ~ the one or more purified polypeptides} are immobilized to {TAIL ~ a solid support} 
are immobilized to
The method 1 , wherein { HEAD ~ the one or more purified polypeptides } are immobilized to { TAIL ~ a solid support }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL