Computer analysis of {HEAD ~ the predicted amino acid sequence} of {TAIL ~ the envelope protein} of the HTLVIII B and ARV 2 isolates of HIV established the secondary structure and location of hydrophilic regions 
of
Computer analysis of { HEAD ~ the predicted amino acid sequence } of { TAIL ~ the envelope protein } of the HTLVIII B and ARV 2 isolates of HIV established the secondary structure and location of hydrophilic regions
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH