Secondary structure was determined from {HEAD ~ the computer analysis} using {TAIL ~ the method} of Chou and Fasman  
using
Secondary structure was determined from { HEAD ~ the computer analysis } using { TAIL ~ the method } of Chou and Fasman
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH