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